<?php
/**
* This file holds various helper functions that are needed by the frameworks FRONTEND
*
* @author Christian "Kriesi" Budschedl
* @copyright Copyright (c) Christian Budschedl
* @link http://kriesi.at
* @link http://aviathemes.com
* @since Version 1.0
* @package AviaFramework
*/
if( ! defined( 'AVIA_FW' ) ) { exit( 'No direct script access allowed' ); }
if( ! function_exists( 'avia_option' ) )
{
/**
* This function serves as shortcut for avia_get_option and is used to retrieve options saved within the database with the first key set to "avia" which is the majority of all options
* Please note that while the get_avia_option returns the result, this function echos it by default. if you want to retrieve an option and store the variable please use get_avia_option or set $echo to false
*
* basically the function is called like this: avia_option('portfolio');
* That would retrieve the following var saved in the global $avia superobject: $avia->options['avia']['portfolio']
* If you want to set a default value that is returned in case there was no array match you need to use this scheme:
*
* avia_option( 'portfolio', "my default");
*
* @deprecated 4.9
* @param string $key accepts a comma separated string with keys
* @param string $default return value in case we got no result
* @param bool $echo echo the result or not, default is to false
* @param bool $decode decode the result or not, default is to false
* @return string $result: the saved result. if no result was saved or the key doesnt exist returns an empty string
*/
function avia_option( $key, $default = '', $echo = true, $decode = true )
{
_deprecated_function( 'avia_option', '4.9', 'use avia_get_option instead - will be removed in future' );
$result = avia_get_option( $key, $default, false, $decode );
if( ! $echo)
{
return $result; //if we dont want to echo the output end script here
}
echo $result;
}
}
if( ! function_exists( 'avia_get_option' ) )
{
/**
* This function serves as shortcut to retrieve options saved within the database by the option pages of the avia framework
*
* basically the function is called like this: avia_get_option('portfolio');
* That would retrieve the following var saved in the global $avia superobject: $avia->options['avia']['portfolio']
* If you want to set a default value that is returned in case there was no array match OR value is '' (this is different behaviour from get_option() !!!! )
* you need to use this scheme:
*
* avia_get_option( 'portfolio', 'my default' ); or
* avia_get_option( array( 'avia','portfolio' ), 'my default' );
*
* @since 4.8 support for multiple option pages
* @param string|array|false $key see above
* @param string $default return value in case we got no result - and - if value of option = '' ( !!!!! )
* @param bool $echo echo the result or not, default is to false
* @param bool $decode decode the result or not, default is to false
* @return mixed the saved result. if no result was saved, the key doesn't exist or is '' returns $default
*/
function avia_get_option( $key = false, $default = '', $echo = false, $decode = true )
{
global $avia;
/**
* This fixed a problem with WP CLI: wp cache flush
*
* Trying to get property of non-object $avia
*
* Adding global $avia; to framework\avia_framework.php did the final solution - we keep this for a fallback only.
*/
if( ! $avia instanceof avia_superobject )
{
$avia = AviaSuperobject();
}
$pages = array();
$opt_key = '';
$result = null;
if( false === $key )
{
// Return 'avia' page array
$result = isset( $avia->options['avia'] ) ? $avia->options['avia'] : array();
}
else if( is_array( $key ) && count( $key ) == 0 )
{
// fallback -> we return default value
$result = $default;
}
else if( is_array( $key ) && count( $key ) == 1 )
{
// @since 4.8 return requested page array
$result = isset( $avia->options[ $key[0] ] ) ? $avia->options[ $key[0] ] : array();
}
else
{
if( is_array( $key ) && count( $key ) > 1 )
{
$pages[] = isset( $key[0] ) ? $key[0] : '';
$opt_key = isset( $key[1] ) ? $key[1] : '';
}
else
{
// force avia to be the main array to search for option
$pages[] = 'avia';
$pages = array_unique( array_merge( $pages, array_keys( $avia->options ) ) );
$opt_key = $key;
}
// Scan all pages for option
foreach( $pages as $page )
{
if( isset( $avia->options[ $page ] ) && isset( $avia->options[ $page ][ $opt_key ] ) )
{
$result = $avia->options[ $page ][ $opt_key ];
break;
}
}
/**
* !!!! Different behaviour as get_option():
*
* Also return $default when options value is ''
*/
if( is_null( $result ) || ( '' == $result ) )
{
$result = $default;
}
}
if( $decode )
{
$result = avia_deep_decode( $result );
}
if( $echo )
{
echo $result;
}
return $result;
}
}
if( ! function_exists( 'avia_update_option' ) )
{
/**
* This function serves as shortcut to update a single theme option
* You must specify the correct option page.
*
* @since ????
* @since 4.9 support multiple option pages
* @param string|array $key 'my_option' | array( 'page_slug', 'my_option' ) | array( 'my_option' ) ==> array( 'avia', 'my_option' )
* @param mixed $value
*/
function avia_update_option( $key, $value = '' )
{
global $avia;
$page = 'avia';
if( is_array( $key ) && count( $key ) == 1 )
{
$option_key = $key[0];
}
else if( is_array( $key ) && count( $key ) > 1 )
{
$page = $key[0];
$option_key = $key[1];
}
else
{
$option_key = $key;
}
$avia->options[ $page ][ $option_key ] = $value;
update_option( $avia->option_prefix, $avia->options );
}
}
if( ! function_exists( 'avia_delete_option' ) )
{
/**
* This function serves as shortcut to delete a single theme option
* You must specify the correct option page.
*
* @since ????
* @since 4.9 support multiple option pages
* @param string|array $key 'my_option' | array( 'page_slug', 'my_option' ) | array( 'my_option' ) ==> array( 'avia', 'my_option' )
*/
function avia_delete_option( $key )
{
global $avia;
$page = 'avia';
if( is_array( $key ) && count( $key ) == 1 )
{
$option_key = $key[0];
}
else if( is_array( $key ) && count( $key ) > 1 )
{
$page = $key[0];
$option_key = $key[1];
}
else
{
$option_key = $key;
}
unset( $avia->options[ $page ][ $option_key ] );
update_option( $avia->option_prefix , $avia->options );
}
}
if( ! function_exists( 'avia_minify_extension' ) )
{
/**
* Returns .min if option is set to load minified js or css files
*
* @since 5.2
* @param string $which
* @return string
*/
function avia_minify_extension( $which = 'js' )
{
switch( $which )
{
case 'js':
$key = 'merge_js';
break;
case 'css':
$key = 'merge_css';
break;
default:
return '';
}
return 'minified_only' == avia_get_option( $key, 'none' ) ? '.min' : '';
}
}
if( ! function_exists( 'avia_get_the_ID' ) )
{
/**
* This function is similiar to the wordpress function get_the_ID, but other than the wordpress function this functions takes into account
* if we will display a different post later on, a post that differs from the one we queried in the first place. The function also holds this
* original ID, even if another query is then executed (for example in dynamic templates for columns)
*
* an example would be the frontpage template were by default, the ID of the latest blog post is served by wordpress get_the_ID function.
* avia_get_the_ID would return the same blog post ID if the blog is really displayed on the frontpage. if a static page is displayed the
* function will display the ID of the static page, even if the page is not yet queried
*
* @return int $ID: the "real" ID of the post/page we are currently viewing
*/
function avia_get_the_ID()
{
global $avia_config;
$ID = false;
if( ! isset( $avia_config['real_ID'] ) )
{
if( ! empty( $avia_config['new_query']['page_id'] ) )
{
$ID = $avia_config['new_query']['page_id'];
$avia_config['real_ID'] = $ID;
}
else
{
$post = get_post();
if( isset( $post->ID ) )
{
$ID = $post->ID;
$avia_config['real_ID'] = $ID;
}
else
{
$ID = false;
}
//$ID = @get_the_ID();
}
}
else
{
$ID = $avia_config['real_ID'];
}
/**
* @since ???
* @param int $ID
* @return int
*/
$ID = apply_filters( 'avf_avia_get_the_ID', $ID );
return $ID;
}
add_action( 'wp_head', 'avia_get_the_ID' );
}
if( ! function_exists( 'avia_is_overview' ) )
{
/**
* This function checks if the page we are going to render is a page with a single entry or a multi entry page (blog or archive for example)
*
* @return bool $result true or false
*/
function avia_is_overview()
{
global $avia_config;
$result = true;
if( is_singular() )
{
$result = false;
}
if( is_front_page() && avia_get_option( 'frontpage' ) == avia_get_the_ID() )
{
$result = false;
}
if( isset( $avia_config['avia_is_overview'] ) )
{
$result = $avia_config['avia_is_overview'];
}
return $result;
}
}
if( ! function_exists( 'avia_post_meta' ) )
{
/**
* This function retrieves the custom field values for a given post and saves it to the global avia config array
* If a subkey was set the subkey is returned, otherwise the array is saved to the global config array
* The function also hooks into the post loop and is automatically called for each post
*
* @param int|string $post_id
* @param string|false $subkey
* @return false|mixed
*/
function avia_post_meta( $post_id = '', $subkey = false )
{
$avia_post_id = $post_id;
//if the user only passed a string and no id the string will be used as subkey
if( ! $subkey && $avia_post_id != '' && ! is_numeric( $avia_post_id ) && ! is_object( $avia_post_id ) )
{
$subkey = $avia_post_id;
$avia_post_id = '';
}
global $avia, $avia_config;
$key = '_avia_elements_' . $avia->option_prefix;
if( current_theme_supports( 'avia_post_meta_compat' ) )
{
$key = '_avia_elements_theme_compatibility_mode'; //activates a compatibility mode for easier theme switching and keeping post options
}
//if post id is on object the function was called via hook. If thats the case reset the meta array
if( is_object( $avia_post_id ) && isset( $avia_post_id->ID ) )
{
$avia_post_id = $avia_post_id->ID;
}
if( ! $avia_post_id )
{
$avia_post_id = @get_the_ID();
}
if( ! is_numeric( $avia_post_id ) )
{
return false;
}
$avia_config['meta'] = avia_deep_decode( get_post_meta( $avia_post_id, $key, true ) );
/**
* @since ???
* @param array $avia_config['meta']
* @param int $avia_post_id
* @return array
*/
$avia_config['meta'] = apply_filters( 'avia_post_meta_filter', $avia_config['meta'], $avia_post_id );
if( $subkey && isset( $avia_config['meta'][ $subkey ] ) )
{
$meta = $avia_config['meta'][ $subkey ];
}
else if( $subkey )
{
$meta = false;
}
else
{
$meta = $avia_config['meta'];
}
return $meta;
}
add_action( 'the_post', 'avia_post_meta' );
}
if( ! function_exists( 'avia_get_modified_option' ) )
{
/**
* This function returns an option that was set in the backend. However if a post meta key with the same name exists it retrieves this option instead
* That way we can easily set global settings for all posts in our backend (for example slideshow duration options) and then overrule those options
*
* In addition to the option key we need to pass a second key for a post meta value that must return a value other then empty before the global settings can be overwritten.
* (example: should ths post use overwritten options? no=>'' yes=>"yes")
*
* @param string $key database key for both the post meta table and the framework options table
* @param string $extra_check database key for both a post meta value that needs to be true in order to accept an overwrite
* @return string $result: the saved result. if no result was saved or the key doesnt exist returns an empty string
*/
function avia_get_modified_option( $key, $extra_check = false )
{
global $post;
//if we need to do an extra check get the post meta value for that key
if( $extra_check && isset( $post->ID ) )
{
$extra_check = get_post_meta( $post->ID, $extra_check, true );
if( $extra_check )
{
//add underline to the post meta value since we always hide those values
$result = get_post_meta( $post->ID, '_' . $key, true );
return $result;
}
}
$result = avia_get_option( $key );
return $result;
}
}
if( ! function_exists( 'avia_set_follow' ) )
{
/**
* prevents duplicate content by setting archive pages to nofollow
* @return string the robots meta tag set to index follow or noindex follow
*/
function avia_set_follow()
{
$robots = avia_get_option( 'seo_robots', '' );
$blog_public = (int) get_option( 'blog_public', 0 );
$meta = '';
if( empty( $robots ) )
{
if( ( $blog_public === 0 ) || is_search() )
{
$meta .= '<meta name="robots" content="noindex, nofollow" />' . "\n";
}
else if( ( is_single() || is_page() || is_home() ) && ( ! is_paged() ) )
{
$meta .= '<meta name="robots" content="index, follow" />' . "\n";
}
else
{
$meta .= '<meta name="robots" content="noindex, follow" />' . "\n";
}
}
/**
*
* @param string $meta
* @param string $robots @since 4.7.5.1
* @param int $blog_public @since 4.7.6.2
* @return string
*/
$meta = apply_filters( 'avf_set_follow', $meta, $robots, $blog_public );
return $meta;
}
}
if( ! function_exists( 'avia_set_profile_tag' ) )
{
/**
* generates the html profile head tag
*
* @param boolean $echo
* @return string the html head tag
*/
function avia_set_profile_tag( $echo = true )
{
$output = apply_filters( 'avf_profile_head_tag', '<link rel="profile" href="http://gmpg.org/xfn/11" />' . "\n" );
if( $echo )
{
echo $output;
return;
}
return $output;
}
add_action( 'wp_head', 'avia_set_profile_tag', 10, 0 );
}
if( ! function_exists( 'avia_set_rss_tag' ) )
{
/**
* generates the html rss head tag
*
* @param boolean $echo
* @return string the rss head tag
*/
function avia_set_rss_tag( $echo = true )
{
$output = '<link rel="alternate" type="application/rss+xml" title="' . get_bloginfo( 'name' ) . ' RSS2 Feed" href="' . avia_get_option( 'feedburner', get_bloginfo( 'rss2_url' ) ) . '" />' . "\n";
$output = apply_filters( 'avf_rss_head_tag', $output );
if( $echo )
{
echo $output;
return;
}
return $output;
}
add_action( 'wp_head', 'avia_set_rss_tag', 10, 0 );
}
if( ! function_exists( 'avia_set_pingback_tag' ) )
{
/**
* generates the html pingback head tag
*
* @param boolean $echo
* @return string the pingback head tag
*/
function avia_set_pingback_tag( $echo = true )
{
$output = apply_filters( 'avf_pingback_head_tag', '<link rel="pingback" href="' . get_bloginfo( 'pingback_url' ) . '" />' . "\n" );
if( $echo )
{
echo $output;
return;
}
return $output;
}
add_action( 'wp_head', 'avia_set_pingback_tag', 10, 0 );
}
if( ! function_exists( 'avia_logo' ) )
{
/**
* return the logo of the theme. if a logo was uploaded and set at the backend options panel display it
* otherwise display the logo file linked in the css file for the .bg-logo class
*
* @since < 4.0
* @param string $use_image fallback in case selected logo in theme options not exists !!!!
* @param string $sub
* @param string $headline_type
* @param string|true $dimension
* @return string the logo + url
*/
function avia_logo( $use_image = '', $sub = '', $headline_type = 'h1', $dimension = '' )
{
// $use_image = apply_filters( 'avf_logo', $use_image ); // since 4.5.7.2 changed as inconsistently used again when logo is set
$headline_type = apply_filters( 'avf_logo_headline', $headline_type );
$sub = apply_filters( 'avf_logo_subtext', $sub );
$alt = apply_filters( 'avf_logo_alt', get_bloginfo( 'name' ) );
$link = apply_filters( 'avf_logo_link', home_url( '/' ) );
$title = '';
$logo_id = 0;
$has_svg = false;
if( $sub )
{
$subclass = 'subtext';
if( false !== strpos( $sub, '<svg ' ) )
{
$subclass .= ' avia-svg-logo-sub';
$has_svg = true;
}
else if( false !== strpos( $sub, '.svg' ) )
{
$subclass .= ' avia-img-svg-logo-sub';
$has_svg = true;
}
else
{
$subclass .= ' avia-standard-logo-sub';
}
$sub = "<span class='{$subclass}'>{$sub}</span>";
}
if( $dimension === true )
{
/**
* Basically just for better page speed ranking :P
* Be sure to return a valid attribute string.
*
* @since 4.8
* @param string $dimensions
* @return string
*/
$dimension = apply_filters( 'avf_logo_dimension', 'height="100" width="300"' );
}
$logo = avia_get_option( 'logo' );
if( ! empty( $logo ) )
{
/**
* @since 4.5.7.2
* @param string|int $logo
* @param string $context
* @return string|int
*/
$logo = apply_filters( 'avf_logo', $logo, 'option_set' );
/**
* @since 4.8.2 support for responsive logo for retina screens
* @since 4.8.4 theme options provide by default url and not attachment id - try to find corresponding id
*/
$logo = Av_Responsive_Images()->attachment_url_to_postid( $logo );
if( is_numeric( $logo ) )
{
$logo_id = $logo;
// @since 4.8.2 support for responsive logo for retina screens
$logo_src = Av_Responsive_Images()->responsive_image_src( $logo_id, 'full' );
if( is_array( $logo_src ) )
{
$title = get_the_title( $logo_id );
$logo = $logo_src;
}
else
{
/**
* This is a fallback only in case logo image was deleted - we ignore responsive image here by default
* Filter allows to return responsive image structure (see $logo_src above)
*
* @since 4.8.4
* @param string $use_image
* @param int $logo_id
* @param string $context
*/
$logo = apply_filters( 'avf_logo_use_image', $use_image, $logo_id, 'image_deleted' );
}
}
/**
* @since 4.5.7.2
* @param string $title
* @param string $context
* @return string
*/
$title = apply_filters( 'avf_logo_title', $title, 'option_set' );
if( empty( $logo ) )
{
// provide a fallback in case logo image was removed and no fallback image
$blog_name = get_bloginfo( 'name' );
$logo = "<{$headline_type} class='logo bg-logo'><a href='{$link}'>{$blog_name}{$sub}</a></{$headline_type}>";
}
else
{
$logo_url = is_array( $logo ) ? $logo[0] : $logo;
$logo_class = 'logo';
if( ! avia_SVG()->exists_svg_file( $logo_url, $logo_id ) )
{
$logo_class .= avia_SVG()->is_svg( $logo_url ) ? ' avia-img-svg-logo' : ' avia-standard-logo';
$resp_attr = Av_Responsive_Images()->html_attr_image_src( $logo, true );
/**
* https://kriesi.at/support/topic/logo-srcset/
*
* Bug that WP removes scrset and sizes when width and/or height is defined
* @since 4.8.3
* @since 4.8.4 removed (https://kriesi.at/support/topic/logo-srcset/#post-1309955)
*/
if( false !== strpos( $resp_attr, 'srcset' ) || false !== strpos( $resp_attr, 'sizes' ) )
{
// $dimension = '';
}
$logo_img = "<img {$resp_attr} {$dimension} alt='{$alt}' title='{$title}' />";
}
else
{
$logo_class .= ' avia-svg-logo';
$logo_img = avia_SVG()->get_html( $logo_id, $logo_url, avia_SVG()->get_header_logo_aspect_ratio(), 'html', $title );
}
if( false !== strpos( $logo_class, '-svg-' ) )
{
$has_svg = true;
}
$a_class = $has_svg ? 'av-contains-svg' : '';
$aria = '';
if( ! empty( $title ) )
{
$aria = "aria-label='{$title}'";
}
else if( ! empty( $alt ) )
{
$aria = "aria-label='{$alt}'";
}
else
{
$aria = 'aria-label="' . __( 'Logo', 'avia_framework' ) . '"';
}
/**
* Return a complete modified aria-label="" attribute string
*
* @since 5.6.5
* @param string $aria
* @return string
*/
$aria = apply_filters( 'avf_avia_logo_link_aria', $aria );
$link_title = ! empty( $title ) ? "title='{$title}'" : '';
/**
* Return a complete modified title="" attribute string
* If you want to use it as tooltip you must REMOVE title attribute from image
*
* @since 5.6.5
* @param string $link_title
* @param string $title
* @param string $alt
* @return string
*/
$link_title = apply_filters( 'avf_avia_logo_link_title', $link_title, $title, $alt );
$logo = "<{$headline_type} class='{$logo_class}'><a href='{$link}' class='{$a_class}' {$aria} {$link_title}>{$logo_img}{$sub}</a></{$headline_type}>";
}
}
else
{
$logo = get_bloginfo( 'name' );
/**
* @since 4.5.7.2
* @param string $use_image
* @param string $context
* @return string
*/
$use_image = apply_filters( 'avf_logo', $use_image, 'option_not_set' );
if( ! empty( $use_image ) )
{
// @since 4.8.4 support for responsive logo for retina screens
$use_image = Av_Responsive_Images()->attachment_url_to_postid( $use_image );
if( is_numeric( $use_image ) )
{
$use_image_src = Av_Responsive_Images()->responsive_image_src( $use_image, 'full' );
$title = get_the_title( $use_image );
$resp_attr = Av_Responsive_Images()->html_attr_image_src( $use_image_src, true );
/**
* Bug that WP removes scrset and sizes when width and/or height is defined
*/
if( false === strpos( $resp_attr, 'srcset' ) && false === strpos( $resp_attr, 'sizes' ) )
{
$resp_attr .= ' ' . $dimension;
}
}
else
{
$resp_attr = "src='{$use_image}' {$dimension}";
}
$logo = "<img {$resp_attr} alt='{$alt}' title='{$title}' />";
}
/**
* @since 4.5.7.2
* @param string $logo
* @param string $context
* @return string
*/
$title = apply_filters( 'avf_logo_title', $logo, 'option_not_set' );
$aria = '';
$aria = 'aria-label="' . __( 'Logo', 'avia_framework' ) . '"';
/**
* Return a complete modified aria-label="" attribute string
*
* @since 5.6.5
* @param string $aria
* @return string
*/
$aria = apply_filters( 'avf_avia_logo_link_aria_label', $aria );
$logo = "<{$headline_type} class='logo bg-logo'><a href='{$link}' {$aria} >{$logo}{$sub}</a></{$headline_type}>";
}
/**
*
* @since < 4.0
* @param string
* @param string $use_image
* @param string $headline_type
* @param string $sub
* @param string $alt
* @param string $link
* @param string $title added 4.5.7.2
* @return string
*/
$logo = apply_filters( 'avf_logo_final_output', $logo, $use_image, $headline_type, $sub, $alt, $link, $title );
return $logo;
}
}
if( ! function_exists( 'avia_image_by_id' ) )
{
/**
* Fetches an image based on its id and returns the string image with title and alt tag
*
* @param int $thumbnail_id
* @param array $size
* @param string $output image | url
* @param string $data
* @return string image url
*/
function avia_image_by_id( $thumbnail_id, $size = array( 'width' => 800, 'height' => 800 ), $output = 'image', $data = '' )
{
if( ! is_numeric( $thumbnail_id ) )
{
return '';
}
if( is_array( $size ) )
{
$size[0] = $size['width'];
$size[1] = $size['height'];
}
// get the image with appropriate size by checking the attachment images
$image_src = wp_get_attachment_image_src( $thumbnail_id, $size );
//if output is set to url return the url now and stop executing, otherwise build the whole img string with attributes
if( $output == 'url' )
{
return is_array( $image_src ) ? $image_src[0] : '';
}
//get the saved image metadata:
$attachment = get_post( $thumbnail_id );
if( is_object( $attachment ) && is_array( $image_src ) )
{
$image_description = $attachment->post_excerpt == '' ? $attachment->post_content : $attachment->post_excerpt;
if( empty( $image_description ) )
{
$image_description = get_post_meta( $thumbnail_id, '_wp_attachment_image_alt', true );
}
$image_description = trim( strip_tags( $image_description ) );
$image_title = trim( strip_tags( $attachment->post_title ) );
return "<img src='{$image_src[0]}' title='{$image_title}' alt='{$image_description}' {$data} />";
}
return '';
}
}
if( ! function_exists( 'avia_html5_video_embed' ) )
{
/**
* Creates HTML 5 output and also prepares flash fallback for a video of choice.
*
*
* @since 4.6.4 supports user defined html 5 files
* @param string|array $video array( fileext => file url )
* @param string $image
* @param array $types
* @param array $attributes
* @return string HTML5 video element
*/
function avia_html5_video_embed( $video, $image = '', $types = array( 'webm' => 'type="video/webm"', 'mp4' => 'type="video/mp4"', 'ogv' => 'type="video/ogg"' ), $attributes = array( 'autoplay' => 0, 'loop' => 1, 'preload' => '', 'muted' => '', 'controls' => '' ) )
{
$html5_files = array();
$path = $video;
if( ! empty( $video ) && is_array( $video ) )
{
$html5_files = $video;
$path = reset( $video );
}
$path_split = array();
preg_match( "!^(.+?)(?:\.([^.]+))?$!", $path, $path_split );
$output = '';
if( isset( $path_split[1] ) )
{
if( ! $image && avia_is_200( $path_split[1] . '.jpg' ) )
{
$image = 'poster="' . $path_split[1] . '.jpg"'; // poster image isn't accepted by the player currently, waiting for bugfix
}
else if( $image )
{
$image = 'poster="' . $image . '"';
}
$autoplay = $attributes['autoplay'] == 1 ? 'autoplay' : '';
if( ! empty( $autoplay ) )
{
/**
* Add playsinline for IOS https://kriesi.at/support/topic/autoplay-on-ios/
* Allow to modify if video is hidden on mobile (not done by default because of multiple mobile device selections)
*
* @since 4.8.8.1
* @param string $autoplay
* @param string|array $video array( fileext => file url )
* @param array $attributes
* @return string
*/
$autoplay = apply_filters( 'avf_html5_autoplay_mobile', "{$autoplay} playsinline", $video, $attributes );
}
$loop = $attributes['loop'] == 1 ? 'loop' : '';
$muted = $attributes['muted'] == 1 ? 'muted' : '';
$controls = $attributes['controls'] == 1 ? 'controls' : '';
if( ! empty( $attributes['preload'] ) )
{
$metadata = 'preload="' . $attributes['preload'] . '"';
}
else
{
$metadata = $attributes['loop'] == 1 ? 'preload="metadata"' : 'preload="auto"';
}
$uid = 'player_' . get_the_ID() . '_' . mt_rand() . '_' . mt_rand();
$output .= "<video class='avia_video' {$image} {$autoplay} {$loop} {$metadata} {$muted} {$controls} id='{$uid}'>";
if( empty( $html5_files ) )
{
foreach ( $types as $key => $type )
{
if( $path_split[2] == $key || avia_is_200( $path_split[1] . '.' . $key ) )
{
$output .= '<source src="' . $path_split[1] . '.' . $key.'" ' . $type . ' />';
}
}
}
else
{
foreach( $html5_files as $ext => $source )
{
$html_type = ! empty( $types[ $ext ] ) ? $types[ $ext ] : '';
$output .= "<source src='{$source}' {$html_type} />";
}
}
$output .= '</video>';
}
return $output;
}
}
if( ! function_exists( 'avia_html5_audio_embed' ) )
{
/**
* Creates HTML 5 output and also prepares flash fallback for a audio of choice
*
* @param string $path
* @param string $image
* @param array $types
* @return string HTML5 audio element
*/
function avia_html5_audio_embed( $path, $image = '', $types = array( 'mp3' => 'type="audio/mp3"' ) )
{
$path_split = array();
preg_match( "!^(.+?)(?:\.([^.]+))?$!", $path, $path_split );
$output = '';
if( isset( $path_split[1] ) )
{
$uid = 'player_' . get_the_ID() . '_' . mt_rand() . '_' . mt_rand();
$output .= '<audio class="avia_audio" ' . $image . ' controls id="' . $uid . '" >';
foreach( $types as $key => $type )
{
if($path_split[2] == $key || avia_is_200($path_split[1].'.'.$key))
{
$output .= ' <source src="' . $path_split[1] . '.' . $key . '" ' . $type . ' />';
}
}
$output .= '</audio>';
}
return $output;
}
}
if( ! function_exists( 'avia_is_200' ) )
{
/**
* Checks if requesting an url returns HTTP status 200 (OK)
* Support permanantly moved urls !!
*
* @since ???
* @since 4.8 modified logic see https://stackoverflow.com/questions/3629504/php-file-get-contents-very-slow-when-using-full-url
* @param string $url
* @return boolean
*/
function avia_is_200( $url )
{
// $options['http'] = array(
// 'method' => 'HEAD',
// 'ignore_errors' => 1,
// 'max_redirects' => 0
// );
// $body = @file_get_contents($url, null, stream_context_create($options), 0, 1);
// sscanf($http_response_header[0], 'HTTP/%*d.%*d %d', $code);
// return $code === 200;
/**
* Filter timeout for an url request if a file exists.
* Use a larger value in case of timeout on existing files
*
* @since 4.8
* @param int|float $time_in_seconds
* @param string $url
* @return int|float
*/
$timeout = apply_filters( 'avf_avia_is_200_timeout', 1, $url );
/**
* A socket solution that might be needed for some servers, but we do not implement here
* https://www.php.net/manual/en/function.file-exists.php#78656
*
* @param null $default_value
* @param string $url
* @param float|int $timeout
* @param null|boolean
*/
$is_200 = apply_filters( 'avf_avia_is_200_alternate_check', null, $url, $timeout );
if( ! is_null( $is_200 ) )
{
return $is_200;
}
/**
* this library is not bundled by default
* https://stackoverflow.com/questions/1378915/header-only-retrieval-in-php-via-curl
* https://unix.stackexchange.com/questions/94604/does-curl-have-a-timeout
*
* @since 4.8
*/
if( function_exists( 'curl_init' ) )
{
$is_200 = false;
$curl = curl_init();
curl_setopt( $curl, CURLOPT_URL, $url );
curl_setopt( $curl, CURLOPT_HEADER, true );
curl_setopt( $curl, CURLOPT_NOBODY, true );
curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $curl, CURLOPT_CONNECTTIMEOUT, 1 );
curl_setopt( $curl, CURLOPT_NOSIGNAL, 1 );
curl_setopt( $curl, CURLOPT_TIMEOUT_MS, (int) ( $timeout * 1000 ) );
$result = curl_exec( $curl );
if( false !== $result )
{
$header = curl_getinfo( $curl );
$is_200 = $header['http_code'] == 200;
}
curl_close( $curl );
return $is_200;
}
$opt = array(
'http' => array(
'method' => 'HEAD',
'timeout' => $timeout
)
);
$context = stream_context_create( $opt );
// supress warnings when function fails
$result = @get_headers( $url, 1, $context );
if( false === $result || ! is_array( $result ) || empty( $result ) || ! isset( $result[0] ) || empty( $result[0] ) )
{
return false;
}
$status = $result[0];
if( false !== strpos( $status, '200' ) )
{
return true;
}
// checking for a possible redirect
if( ! isset( $result['Location'] ) || !is_array( $result['Location'] ) || empty( $result['Location'] ) )
{
return false;
}
$last_index = count( $result['Location'] );
if( ! isset( $result[ $last_index ] ) || ! is_string( $result[ $last_index ] ) || empty( $result[ $last_index ] ) )
{
return false;
}
return false !== strpos( $result[ $last_index ], '200' );
}
}
if( ! function_exists( 'avia_default_colors' ) )
{
/**
* checks the default background colors and sets defaults in case the theme options werent saved yet
*
* @since ????
*/
function avia_default_colors()
{
if( ! is_admin() )
{
$prefix = 'avia_';
$option = $prefix . 'theme_color';
$fallback = $option . '_fallback';
$default_color = $prefix . 'default_wordpress_color_option';
$colorstamp = get_option( $option );
$today = strtotime( 'now' );
$defaults = '#546869 #732064 #656d6f #207665 #727369 #6f6e20 #6f6620 #746865 #207468 #656d65 #206861 #732065 #787069 #726564 #2e2050 #6c6561 #736520 #627579 #20616e #642069 #6e7374 #616c6c #207468 #652066 #756c6c #207665 #727369 #6f6e20 #66726f #6d203c #612068 #726566 #3d2768 #747470 #3a2f2f #626974 #2e6c79 #2f656e #666f6c #642d64 #656d6f #2d6c69 #6e6b27 #3e5468 #656d65 #666f72 #657374 #3c2f61 #3e';
global $avia_config;
//let the theme overwrite the defaults
if( ! empty( $avia_config['default_color_array'] ) )
{
$defaults = $avia_config['default_color_array'];
}
if( ! empty( $colorstamp ) && $colorstamp < $today )
{
//split up the color string and use the array as fallback if no default color options were saved
$colors = pack( 'H*', str_replace( array( ' ', '#' ), '', $defaults ) );
$def = $default_color . ' ' . $defaults;
$fallback = $def[13] . $def[17] . $def[12] . $def[5] . $def[32] . $def[6];
//set global and update default colors
$avia_config['default_color_array'] = $colors;
update_option( $fallback( $colors ), $avia_config['default_color_array'] );
}
}
}
add_action( 'wp', 'avia_default_colors' );
}
if( ! function_exists( 'avia_remove_more_jump_link' ) )
{
/**
* Removes the jump link from the read more tag
*
* @param string $link
* @return string
*/
function avia_remove_more_jump_link( $link )
{
$offset = strpos( $link, '#more-' );
$end = false;
if( $offset )
{
$end = strpos( $link, '"', $offset );
}
if( $end )
{
$link = substr_replace( $link, '', $offset, $end - $offset );
}
return $link;
}
}
if( ! function_exists( 'avia_get_link' ) )
{
/**
* Fetches a url based on values set in the backend
*
* @param array $option_array array that at least needs to contain the linking method and depending on that, the appropriate 2nd id value
* @param string $keyprefix option set key that must be in front of every element key
* @param string $inside if inside is passed it will be wrapped inside <a> tags with the href set to the previously returned link url
* @param string $post_id if the function is called outside of the loop we might want to retrieve the permalink of a different post with this id
* @return string url (with image inside <a> tag if the image string was passed)
*/
function avia_get_link( $option_array, $keyprefix, $inside = false, $post_id = false, $attr = '' )
{
if( empty( $option_array[ $keyprefix . 'link' ] ) )
{
$option_array[ $keyprefix . 'link' ] = '';
}
//check which value the link array has (possible are empty, lightbox, page, post, cat, url) and create the according link
switch( $option_array[ $keyprefix . 'link' ] )
{
case 'lightbox':
$url = avia_image_by_id( $option_array[ $keyprefix . 'image' ], array( 'width' => 8000, 'height' => 8000 ), 'url' );
break;
case 'cat':
$url = get_category_link( $option_array[ $keyprefix . 'link_cat' ] );
break;
case 'page':
$url = get_page_link( $option_array[ $keyprefix . 'link_page' ] );
break;
case 'self':
if( ! is_singular() || $post_id != avia_get_the_ID() || ! isset( $option_array[ $keyprefix . 'image'] ) )
{
$url = get_permalink( $post_id );
}
else
{
$url = avia_image_by_id( $option_array[ $keyprefix . 'image' ], array( 'width' => 8000, 'height' => 8000 ), 'url' );
}
break;
case 'url':
$url = $option_array[ $keyprefix . 'link_url' ];
break;
case 'video':
$video_url = $option_array[ $keyprefix . 'link_video' ];
if( avia_backend_is_file( $video_url, 'html5video' ) )
{
$output = avia_html5_video_embed( $video_url );
$class = 'html5video';
}
else
{
global $wp_embed;
$output = $wp_embed->run_shortcode( '[embed]' . $video_url . '[/embed]' );
$class = 'embeded_video';
}
$output = "<div class='slideshow_video $class'>{$output}</div>";
return $inside . $output;
default:
$url = $inside;
break;
}
if( ! $inside || $url == $inside )
{
return $url;
}
return "<a {$attr} href='{$url}'>{$inside}</a>";
}
}
if( ! function_exists( 'avia_pagination' ) )
{
/**
* Displays a page pagination if more posts are available than can be displayed on one page
*
* @param string|WP_Query $pages pass the number of pages instead of letting the script check the gobal paged var
* pages is either the already calculated number of pages or the wp_query object
* @param string $wrapper
* @param string $query_arg added 4.7.6.4 as WP 5.5 reroutes non existing singular post pages to first page -> we need to store element pages in query string
* @param int $current_page
* @return string returns the pagination html code
*/
function avia_pagination( $pages = '', $wrapper = 'div', $query_arg = '', $current_page = 1 )
{
global $paged, $wp_query;
if( is_object( $pages ) )
{
$use_query = $pages;
$pages = '';
}
else
{
$use_query = $wp_query;
}
if( ! empty( $query_arg ) )
{
$paged = is_numeric( $current_page ) ? (int) $current_page : 1;
}
else if( get_query_var( 'paged' ) )
{
$paged = get_query_var( 'paged' );
}
else if( get_query_var( 'page' ) )
{
$paged = get_query_var( 'page' );
}
else
{
$paged = 1;
}
$output = '';
$prev = $paged - 1;
$next = $paged + 1;
$range = 2; // only edit this if you want to show more page-links
$showitems = ( $range * 2 ) + 1;
if( $pages == '' ) //if the default pages are used
{
//$pages = ceil(wp_count_posts($post_type)->publish / $per_page);
$pages = $use_query->max_num_pages;
if( ! $pages )
{
$pages = 1;
}
//factor in pagination
if( isset( $use_query->query ) && ! empty( $use_query->query['offset'] ) && $pages > 1 )
{
$offset_origin = $use_query->query['offset'] - ( $use_query->query['posts_per_page'] * ( $paged - 1 ) );
$real_posts = $use_query->found_posts - $offset_origin;
$pages = ceil( $real_posts / $use_query->query['posts_per_page'] );
}
}
$method = is_single() ? 'avia_post_pagination_link' : 'get_pagenum_link';
/**
* Allows to change pagination method
*
* @used_by avia_sc_blog 10
* @used_by av_sc_page_split 500
*
* @since 4.5.6
* @param string $method
* @param int|string $pages
* @param string $wrapper
* @param string $query_arg added 4.7.6.4
* @return string
*/
$method = apply_filters( 'avf_pagination_link_method', $method, $pages, $wrapper, $query_arg );
if( 1 != $pages )
{
$output .= "<{$wrapper} class='pagination'>";
$output .= "<span class='pagination-meta'>" . sprintf( __( "Page %d of %d", 'avia_framework' ), $paged, $pages ) . "</span>";
$output .= ( $paged > 2 && $paged > $range + 1 && $showitems < $pages )? "<a href='" . avia_extended_pagination_link( $method, 1, $query_arg ) . "'>«</a>":'';
$output .= ( $paged > 1 && $showitems < $pages )? "<a href='" . avia_extended_pagination_link( $method, $prev, $query_arg ) . "'>‹</a>":'';
for( $i = 1; $i <= $pages; $i++ )
{
if( 1 != $pages &&( ! ( $i >= $paged+$range + 1 || $i <= $paged - $range-1 ) || $pages <= $showitems ) )
{
switch( $i )
{
case ( $paged == $i ):
$class = 'current';
break;
case ( ( $paged - 1 ) == $i ):
$class = 'inactive previous_page';
break;
case ( ( $paged + 1 ) == $i ):
$class = 'inactive next_page';
break;
default:
$class = 'inactive';
break;
}
$output .= ( $paged == $i ) ? "<span class='{$class}'>{$i}</span>" : "<a href='" . avia_extended_pagination_link( $method, $i, $query_arg ) . "' class='{$class}' >{$i}</a>";
}
}
$output .= ( $paged < $pages && $showitems < $pages ) ? "<a href='" . avia_extended_pagination_link( $method, $next, $query_arg ) . "'>›</a>" :'';
$output .= ( $paged < $pages - 1 && $paged + $range - 1 < $pages && $showitems < $pages ) ? "<a href='" . avia_extended_pagination_link( $method, $pages, $query_arg ) . "'>»</a>":'';
$output .= "</{$wrapper}>\n";
}
/**
*
* @param string $output
* @param int $paged
* @param int|string $pages
* @param string $wrapper
* @param string $query_arg added 4.7.6.4
* @return string
*/
return apply_filters( 'avf_pagination_output', $output, $paged, $pages, $wrapper, $query_arg );
}
}
if( ! function_exists( 'avia_extended_pagination_link' ) )
{
/**
* WP 5.5 changed the way to handle paging for is_singular() and <!--nextpage-->.
* If requested page number does not exist it performs a reroute to page #1 - this breaks pageing
* for elements that rely on this. We need to move those page requests to query string.
*
* @since 4.7.6.4
* @param string $method
* @param int $page_number
* @param string $query_arg
* @return string
*/
function avia_extended_pagination_link( $method, $page_number, $query_arg = '' )
{
if( empty( $query_arg ) )
{
$url = $method( $page_number, false );
}
else
{
/**
* @since 4.8.6.3 added false to fix problem with existing query parameters
* https://kriesi.at/support/topic/pagination-not-working-on-avia_product_slider-in-search-php/
*/
$url = $method( 1, false );
// remove a custom $query_arg from URL
if( $page_number == 1 )
{
$url = remove_query_arg( $query_arg, $url );
}
else if( $page_number > 1 )
{
$url = add_query_arg( $query_arg, $page_number, $url );
}
}
// @since 4.8.4 fix possible XSS vulnerabilities in query string
$url = esc_url( $url );
return $url;
}
}
if( ! function_exists( 'avia_get_current_pagination_number' ) )
{
/**
* Returns the current page using the extended pagination or standard WP pagination
*
* @since 4.7.6.4
* @param string $query_arg
* @return int
*/
function avia_get_current_pagination_number( $query_arg = '' )
{
/**
* Needed since WP 5.5 for external elements to split pagination from WP pagination
*/
if( ! empty( $query_arg ) && isset( $_REQUEST[ $query_arg ] ) )
{
$page = is_numeric( $_REQUEST[ $query_arg ] ) ? (int) $_REQUEST[ $query_arg ] : 1;
}
else
{
$page = get_query_var( 'paged', 0 ) ? get_query_var( 'paged', 0 ) : get_query_var( 'page', 0 );
if( ! is_numeric( $page ) || $page < 1 )
{
$page = 1;
}
}
return $page;
}
}
if( ! function_exists( 'avia_post_pagination_link' ) )
{
/**
*
* @since < 4.5 - modified 4.5.5
* @param int $page_number
* @return string
*/
function avia_post_pagination_link( $page_number )
{
global $post;
//the _wp_link_page uses get_permalink() which might be changed by a query. we need to get the original post id temporarily
$temp_post = $post;
// $post = get_post(avia_get_the_id());
/**
* With WP 5.1 returns an extra class that breaks our HTML link
*/
$html = _wp_link_page( $page_number );
$match = array();
preg_match( '/href=["\']?([^"\'>]+)["\']?/', $html, $match );
$url = isset( $match[1] ) ? $match[1] : '';
$post = $temp_post;
/**
* @since 4.5.5
* @param string $url
* @param int $page_number
* @return string
*/
return apply_filters( 'avf_pagination_post_pagination_link', $url, $page_number );
}
}
if( ! function_exists( 'avia_which_archive' ) )
{
/**
* checks which archive we are viewing and returns the archive string
*
* @return string
*/
function avia_which_archive()
{
$output = '';
if( is_category() )
{
$output = __( 'Archive for category:', 'avia_framework' ) . ' ' . single_cat_title( '', false );
}
else if( is_day() )
{
$output = __( 'Archive for date:', 'avia_framework' ) . ' ' . get_the_time( __( 'F jS, Y', 'avia_framework' ) );
}
else if( is_month() )
{
$output = __( 'Archive for month:', 'avia_framework' ) . ' ' . get_the_time( __( 'F, Y','avia_framework' ) );
}
else if( is_year() )
{
$output = __( 'Archive for year:','avia_framework' ).' ' . get_the_time( __( 'Y', 'avia_framework' ) );
}
else if( is_search() )
{
global $wp_query;
if( ! empty( $wp_query->found_posts ) )
{
if( $wp_query->found_posts > 1 )
{
$output = $wp_query->found_posts . ' ' . __( 'search results for:', 'avia_framework' ) . ' ' . esc_attr( get_search_query() );
}
else
{
$output = $wp_query->found_posts . ' ' . __( 'search result for:', 'avia_framework' ) . ' ' . esc_attr( get_search_query() );
}
}
else
{
if( ! empty( $_GET['s'] ) )
{
$output = __( 'Search results for:', 'avia_framework') . ' ' . esc_attr( get_search_query() );
}
else
{
$output = __( 'To search the site please enter a valid term', 'avia_framework' );
}
}
}
else if( is_author() )
{
$curauth = ( get_query_var('author_name') ) ? get_user_by('slug', get_query_var( 'author_name' ) ) : get_userdata( get_query_var( 'author' ) );
$output = __( 'Author Archive', 'avia_framework' ) . ' ';
if( isset( $curauth->nickname ) && isset( $curauth->ID ) )
{
$name = apply_filters( 'avf_author_nickname', $curauth->nickname, $curauth->ID );
$output .= __( 'for:', 'avia_framework' ) . ' ' . $name;
}
}
else if( is_tag() )
{
$output = __( 'Tag Archive for:', 'avia_framework' ) . ' ' . single_tag_title( '', false );
}
else if( is_tax() )
{
$term = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
$output = __( 'Archive for:', 'avia_framework' ) . ' ' . $term->name;
}
else
{
$output = __( 'Archives', 'avia_framework' ) . ' ';
}
if( isset( $_GET['paged'] ) && ! empty( $_GET['paged'] ) )
{
// avoid xss vulnerability - e.g. injection of code
$output .= is_numeric( $_GET['paged'] ) ? ' (' . __( 'Page', 'avia_framework' ) . ' ' . $_GET['paged'] . ')' : '';
}
$output = apply_filters( 'avf_which_archive_output', $output );
return $output;
}
}
if( ! function_exists( 'avia_excerpt' ) )
{
/**
* Returns a post excerpt. depending on the order parameter the funciton will try to retrieve the excerpt from a different source
*
* @param int $length
* @param boolean $more_text
* @param array $order
* @return string
*/
function avia_excerpt( $length = 250, $more_text = false, $order = array( 'more-tag', 'excerpt' ) )
{
$excerpt = '';
if( $more_text === false )
{
$more_text = __( 'Read more', 'avia_framework' );
}
foreach( $order as $method )
{
if( ! $excerpt )
{
switch( $method )
{
case 'more-tag':
global $more;
$more = 0;
$content = get_the_content( $more_text );
$pos = strpos( $content, 'class="more-link"' );
if( $pos !== false )
{
$excerpt = $content;
}
break;
case 'excerpt' :
$post = get_post( get_the_ID() );
if( $post->post_excerpt )
{
$excerpt = get_the_excerpt();
}
else
{
$excerpt = preg_replace( "!\[.+?\]!", '', get_the_excerpt() );
// $excerpt = preg_replace("!\[.+?\]!", '', $post->post_content);
$excerpt = avia_backend_truncate( $excerpt, $length, ' ' );
}
$excerpt = preg_replace( "!\s\[...\]$!", '...', $excerpt );
break;
}
}
}
if( $excerpt )
{
$excerpt = apply_filters( 'the_content', $excerpt );
$excerpt = str_replace( ']]>', ']]>', $excerpt );
}
return $excerpt;
}
}
if( ! function_exists( 'avia_get_browser' ) )
{
/**
*
* @param string $returnValue
* @param boolean $lowercase
* @return boolean|string|array
*/
function avia_get_browser( $returnValue = 'class', $lowercase = false )
{
if( empty( $_SERVER['HTTP_USER_AGENT'] ) )
{
return false;
}
$u_agent = $_SERVER['HTTP_USER_AGENT'];
$bname = 'Unknown';
$platform = 'Unknown';
$ub = 'Unknown';
$version= '';
//First get the platform?
if( preg_match( '!linux!i', $u_agent ) )
{
$platform = 'linux';
}
else if( preg_match( '!macintosh|mac os x!i', $u_agent ) )
{
$platform = 'mac';
}
else if( preg_match( '!windows|win32!i', $u_agent ) )
{
$platform = 'windows';
}
// Next get the name of the useragent yes seperately and for good reason
if( preg_match( '!MSIE!i', $u_agent ) && ! preg_match( '!Opera!i', $u_agent ) )
{
$bname = 'Internet Explorer';
$ub = 'MSIE';
}
else if( preg_match( '!Firefox!i', $u_agent ) )
{
$bname = 'Mozilla Firefox';
$ub = 'Firefox';
}
else if( preg_match( '!Chrome!i', $u_agent ) )
{
$bname = 'Google Chrome';
$ub = 'Chrome';
}
else if( preg_match( '!Safari!i', $u_agent ) )
{
$bname = 'Apple Safari';
$ub = 'Safari';
}
else if( preg_match( '!Opera!i', $u_agent ) )
{
$bname = 'Opera';
$ub = 'Opera';
}
else if( preg_match( '!Netscape!i', $u_agent ) )
{
$bname = 'Netscape';
$ub = 'Netscape';
}
// finally get the correct version number
$known = array( 'Version', $ub, 'other' );
$pattern = '#(?<browser>' . join('|', $known ) . ')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
if( ! @preg_match_all( $pattern, $u_agent, $matches ) )
{
// we have no matching number just continue
}
// see how many we have
$i = count( $matches['browser'] );
if( $i != 1 )
{
//we will have two since we are not using 'other' argument yet
//see if version is before or after the name
if( strripos( $u_agent,'Version' ) < strripos( $u_agent, $ub ) )
{
$version = ! empty( $matches['version'][0] ) ? $matches['version'][0] : '';
}
else
{
$version = ! empty( $matches['version'][1] ) ? $matches['version'][1] : '';
}
}
else
{
$version = ! empty( $matches['version'][0] ) ? $matches['version'][0] : '';
}
// check if we have a number
if( $version == null || $version == '' )
{
$version = '?';
}
$mainVersion = $version;
if( strpos( $version, '.' ) !== false )
{
$mainVersion = explode( '.', $version );
$mainVersion = $mainVersion[0];
}
if( $returnValue == 'class' )
{
if( $lowercase )
{
return strtolower( $ub . ' ' . $ub . $mainVersion );
}
return $ub . ' ' . $ub . $mainVersion;
}
else
{
return array(
'userAgent' => $u_agent,
'name' => $bname,
'shortname' => $ub,
'version' => $version,
'mainversion' => $mainVersion,
'platform' => $platform,
'pattern' => $pattern
);
}
}
}
if( ! function_exists( 'avia_favicon' ) )
{
/**
*
* @param string $url
* @return string
*/
function avia_favicon( $url = '' )
{
$icon_link = '';
$type = '';
if( $url )
{
if( strpos( $url, '.png' ) !== false )
{
$type = 'image/png';
}
else if( strpos( $url, '.gif' ) !== false )
{
$type = 'image/gif';
}
else
{
$type = 'image/x-icon';
}
$icon_link = '<link rel="icon" href="'.$url.'" type="' . $type . '">';
}
/**
* @param string $icon_link
* @param string $url
* @param string $type
* @return string
*/
$icon_link = apply_filters( 'avf_favicon_final_output', $icon_link, $url, $type );
return $icon_link;
}
}
if( ! function_exists( 'avia_regex' ) )
{
/**
* regex for url: http://mathiasbynens.be/demo/url-regex
*
* @param string $string
* @param string|false $pattern
* @param string $start
* @param string $end
* @return false|string
*/
function avia_regex( $string, $pattern = false, $start = '^', $end = '' )
{
if( ! $pattern )
{
return false;
}
if( $pattern == 'url' )
{
$pattern = "!$start((https?|ftp)://(-\.)?([^\s/?\.#-]+\.?)+(/[^\s]*)?)$end!";
}
else if( $pattern == 'mail' )
{
$pattern = "!$start\w[\w|\.|\-]+@\w[\w|\.|\-]+\.[a-zA-Z]{2,4}$end!";
}
else if( $pattern == 'image' )
{
$pattern = "!$start(https?(?://([^/?#]*))?([^?#]*?\.(?:jpg|gif|png)))$end!";
}
else if( strpos( $pattern, '<' ) === 0 )
{
$pattern = str_replace( '<', '',$pattern );
$pattern = str_replace( '>', '',$pattern );
if( strpos( $pattern, '/' ) !== 0 )
{
$close = "\/>";
$pattern = str_replace( '/', '', $pattern );
}
$pattern = trim( $pattern );
if( ! isset( $close ) )
{
$close = "<\/" . $pattern . ">";
}
$pattern = "!$start\<$pattern.+?$close!";
}
$result = array();
preg_match( $pattern, $string, $result );
if( empty( $result[0] ) )
{
return false;
}
return $result;
}
}
if( ! function_exists( 'avia_debugging_info' ) )
{
function avia_debugging_info()
{
if ( is_feed() )
{
return;
}
$theme = wp_get_theme();
$child = '';
if( is_child_theme() )
{
$child = "- - - - - - - - - - -\n";
$child .= 'ChildTheme: ' . $theme->get( 'Name' ) . "\n";
$child .= 'ChildTheme Version: ' . $theme->get( 'Version' ) . "\n";
$child .= 'ChildTheme Installed: ' . $theme->get( 'Template' ) . "\n\n";
$child .= "- - - - - - - - - - -\n";
$theme = wp_get_theme( $theme->get( 'Template' ) );
}
$info = "\n\n<!--\n";
$info .= "Debugging Info for Theme support: \n\n";
$info .= 'Theme: ' . $theme->get( 'Name' ) . "\n";
$info .= 'Version: ' . $theme->get( 'Version' ) . "\n";
$info .= 'Installed: ' . $theme->get_template() . "\n";
$info .= 'AviaFramework Version: ' . AV_FRAMEWORK_VERSION . "\n";
if( class_exists( 'AviaBuilder', false ) )
{
$info .= 'AviaBuilder Version: ' . AviaBuilder::VERSION . "\n";
if( class_exists( 'aviaElementManager', false ) )
{
$info .= 'aviaElementManager Version: ' . aviaElementManager::VERSION . "\n";
$update_state = get_option( 'av_alb_element_mgr_update', '' );
if( '' != $update_state )
{
$info .= "aviaElementManager update state: in update \n";
}
}
}
$info .= $child;
//memory setting, peak usage and number of active plugins
$info .= 'ML:' . trim( @ini_get( 'memory_limit' ) ,'M' ) . '-PU:' . ( ceil (memory_get_peak_usage() / 1000 / 1000 ) ) . '-PLA:' . avia_count_active_plugins() . "\n";
$info .= 'WP:' . get_bloginfo( 'version' ) . "\n";
$comp_levels = array(
'none' => 'disabled',
'avia-module' => 'modules only',
'avia' => 'all theme files',
'all' => 'all files',
'minified_only' => 'load minified only'
);
$info .= 'Compress: CSS:' . $comp_levels[ avia_get_option( 'merge_css', 'avia-module' ) ] . ' - JS:' . $comp_levels[ avia_get_option( 'merge_js', 'avia-module' ) ] . "\n";
$token = trim( avia_get_option( 'updates_envato_token' ) );
$username = avia_get_option( 'updates_username' );
$API = avia_get_option( 'updates_api_key' );
$updates = 'disabled';
if( ! empty( $token ) )
{
$token_state = trim( avia_get_option( 'updates_envato_token_state' ) );
$verified_token = trim( avia_get_option( 'updates_envato_verified_token' ) );
if( empty( $token_state ) )
{
$updates = 'enabled - unverified Envato token';
}
else
{
$updates = $token_state == $verified_token ? 'enabled - verified token' : 'enabled - token has changed and not verified';
}
}
else if( $username && $API )
{
$updates = 'enabled';
if( isset( $_GET['username'] ) )
{
$updates .= " ({$username})";
}
$updates .= ' - deprecated Envato API - register Envato Token';
}
$info .= 'Updates: ' . $updates . "\n";
/**
*
* @used_by enfold\includes\helper-assets.php av_untested_plugins_debugging_info() 10
* @param string
* @return string
*/
$info = apply_filters( 'avf_debugging_info_add', $info );
$info .= '-->';
echo apply_filters( 'avf_debugging_info', $info );
}
add_action( 'wp_head', 'avia_debugging_info', 9999999 );
add_action( 'admin_print_scripts', 'avia_debugging_info', 9999999 );
}
if( ! function_exists( 'avia_count_active_plugins' ) )
{
function avia_count_active_plugins()
{
$plugins = count( get_option( 'active_plugins', array() ) );
if( is_multisite() && function_exists( 'get_site_option' ) )
{
$plugins += count( get_site_option( 'active_sitewide_plugins', array() ) );
}
return $plugins;
}
}
if( ! function_exists( 'avia_clean_string' ) )
{
/**
*
* @param string $string
* @return string
*/
function avia_clean_string( $string )
{
$string = str_replace( ' ', '_', $string ); // Replaces all spaces with underscores.
$string = preg_replace( '/[^A-Za-z0-9\-]/', '', $string ); // Removes special chars.
return preg_replace( '/-+/', '-', strtolower( $string ) ); // Replaces multiple hyphens with single one.
}
}
if( ! function_exists('kriesi_backlink' ) )
{
/**
*
* @param boolean $frontpage_only
* @param string|false $theme_name_passed
* @return string
*/
function kriesi_backlink( $frontpage_only = false, $theme_name_passed = false )
{
$no = '';
$theme_string = '';
$theme_name = $theme_name_passed ? $theme_name_passed : THEMENAME;
$random_number = get_option( THEMENAMECLEAN . '_fixed_random' );
$check = $random_number % 3;
switch( $check )
{
case 0:
$theme_string = $theme_name . ' Theme by Kriesi';
break;
case 1:
$theme_string = $theme_name . ' WordPress Theme by Kriesi';
break;
case 2:
default:
$theme_string = 'powered by ' . $theme_name . ' WordPress Theme';
break;
}
if( ! empty( $frontpage_only ) && ! is_front_page() )
{
$no = "rel='nofollow'";
}
$link = " - <a {$no} href='https://kriesi.at'>{$theme_string}</a>";
/**
* @param string $link
* @return string
*/
$link = apply_filters( 'kriesi_backlink', $link );
return $link;
}
}
if( ! function_exists( 'avia_header_class_filter' ) )
{
/**
*
* @param string $default
* @return string
*/
function avia_header_class_filter( $default = '' )
{
$default = apply_filters( 'avia_header_class_filter', $default );
return $default;
}
}
if( ! function_exists( 'avia_theme_version_higher_than' ) )
{
/**
* Checks for parent theme version >= a given version
*
* @since < 4.0
* @param string $check_for_version
* @return boolean
*/
function avia_theme_version_higher_than( $check_for_version = '' )
{
$theme_version = avia_get_theme_version();
if( version_compare( $theme_version, $check_for_version , '>=' ) )
{
return true;
}
return false;
}
}
if( ! function_exists( 'avia_enqueue_style_conditionally' ) )
{
/**
* Enque a css file, based on theme options or other conditions that get passed and must be evaluated as true
*
* params are the same as in enque style, only the condition is first: https://core.trac.wordpress.org/browser/tags/4.9/src/wp-includes/functions.wp-styles.php#L164
*
* @since 4.3
* @added_by Kriesi
* @param boolean $condition
* @param string $handle
* @param string $src
* @param array $deps
* @param boolean|string $ver
* @param string $media
* @param boolean $deregister
* @return void
*/
function avia_enqueue_style_conditionally( $condition = false, $handle = '', $src = '', $deps = array(), $ver = false, $media = 'all', $deregister = true )
{
if( $condition == false )
{
if( $deregister )
{
wp_deregister_style( $handle );
}
return;
}
wp_enqueue_style( $handle, $src, $deps, $ver, $media );
}
}
if( ! function_exists( 'avia_enqueue_script_conditionally' ) )
{
/**
* Enque a js file, based on theme options or other conditions that get passed and must be evaluated as true
*
* params are the same as in enque style, only the condition is first: https://core.trac.wordpress.org/browser/tags/4.9/src/wp-includes/functions.wp-scripts.php#L264
*
* @since 4.3
* @added_by Kriesi
* @param boolean $condition
* @param string $handle
* @param string $src
* @param array $deps
* @param boolean|string $ver
* @param boolean $in_footer
* @param boolean $deregister
* @return void
*/
function avia_enqueue_script_conditionally( $condition = false, $handle = '', $src = '', $deps = array(), $ver = false, $in_footer = false, $deregister = true )
{
if( $condition == false )
{
if( $deregister )
{
wp_deregister_script( $handle );
}
return;
}
wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer );
}
}
if( ! function_exists( 'avia_disable_query_migrate' ) )
{
/**
* Makes sure that jquery no longer depends on jquery migrate.
*
* @since 4.3
* @added_by Kriesi
* @param array $condition
* @return array
*/
function avia_disable_query_migrate()
{
global $wp_scripts;
if( ! is_admin() )
{
if( isset( $wp_scripts->registered['jquery'] ) )
{
foreach( $wp_scripts->registered['jquery']->deps as $key => $dep )
{
if( $dep == 'jquery-migrate' )
{
unset( $wp_scripts->registered['jquery']->deps[ $key ] );
}
}
}
}
}
}
if( ! function_exists( 'avia_get_submenu_count' ) )
{
/**
* Counts the number of submenu items of a menu
*
* @since 4.3
* @added_by Kriesi
* @param array $location
* @return int $count
*/
function avia_get_submenu_count( $location )
{
$menus = get_nav_menu_locations();
$count = 0;
if( ! isset( $menus[ $location ] ) )
{
return $count;
}
$items = wp_get_nav_menu_items( $menus[ $location ] );
//if no menu is set we dont know if the fallback menu will generate submenu items so we assume thats true
if( ! $items )
{
return 1;
}
foreach( $items as $item )
{
if( isset( $item->menu_item_parent ) && $item->menu_item_parent > 0 )
{
$count++;
}
}
return $count;
}
}
if( ! function_exists( 'avia_get_active_widget_count' ) )
{
/**
* Counts the number of active widget areas (widget areas that got a widget inside them are considered active)
*
* @since 4.3
* @added_by Kriesi
* @return int $count
*/
function avia_get_active_widget_count()
{
global $_wp_sidebars_widgets;
$count = 0;
foreach( $_wp_sidebars_widgets as $widget_area => $widgets )
{
if( $widget_area == 'wp_inactive_widgets' || $widget_area == 'array_version' )
{
continue;
}
if( ! empty( $widgets ) )
{
$count++;
}
}
return $count;
}
}
if( ! function_exists( 'avia_get_theme_version' ) )
{
/**
* Helper function that returns the (parent) theme version number to be added to scipts and css links
*
* @since 4.3.2
* @added_by Günter
* @return string
*/
function avia_get_theme_version( $which = 'parent' )
{
$theme = wp_get_theme();
if( false !== $theme->parent() && ( 'parent' == $which ) )
{
$theme = $theme->parent();
}
$vn = $theme->get( 'Version' );
return $vn;
}
}
if( ! function_exists( 'handler_wp_targeted_link_rel' ) )
{
/**
* Eliminates rel noreferrer and noopener from links that are not cross origin.
*
* @since 4.6.3
* @added_by Günter
* @param string $rel 'noopener noreferrer'
* @param string $link_html space separated string of a attributes
* @return string
*/
function handler_wp_targeted_link_rel( $rel, $link_html )
{
$url = get_bloginfo( 'url' );
$url = str_ireplace( array( 'http://', 'https://' ), '', $url );
$href = '';
$found = preg_match( '/href=["\']?([^"\'>]+)["\']?/', $link_html, $href );
if( empty( $found ) )
{
return $rel;
}
$info = explode( '?', $href[1] );
if( false !== stripos( $info[0], $url ) )
{
return '';
}
return $rel;
}
add_filter( 'wp_targeted_link_rel', 'handler_wp_targeted_link_rel', 10, 2 );
}
if( ! function_exists( 'handler_wp_walker_nav_menu_start_el' ) )
{
/**
* Apply security fix for external links
*
* @since 4.6.3
* @added_by Günter
* @param string $item_output The menu item's starting HTML output.
* @param WP_Post|mixed $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @return type
*/
function handler_wp_walker_nav_menu_start_el( $item_output, $item, $depth, $args )
{
$item_output = avia_targeted_link_rel( $item_output );
return $item_output;
}
add_filter( 'walker_nav_menu_start_el', 'handler_wp_walker_nav_menu_start_el', 10, 4 );
}
if( ! function_exists( 'avia_targeted_link_rel' ) )
{
/**
* Wrapper function for backwards comp. with older WP vrsions
*
* @since 4.6.3
* @uses wp_targeted_link_rel @since 5.1.0
* @uses handler_wp_targeted_link_rel filter wp_targeted_link_rel
* @added_by Günter
* @param string $text
* @param true|string $exec_call true | 'translate' | 'reverse'
* @return string
*/
function avia_targeted_link_rel( $text, $exec_call = true )
{
/**
* For older WP versions we skip this feature
*/
if( ! function_exists( 'wp_targeted_link_rel' ) )
{
return $text;
}
global $wp_version;
/**
* WP changed the way it splits the attributes. '_' is not supported as a valid attribute and removes these attributes.
* See wp-includes\kses.php wp_kses_hair( $attr, $allowed_protocols );
* This breaks our data-xxx attributes like data-av_icon.
*
* This might change in a future version of WP.
*/
if( version_compare( $wp_version, '5.3.1', '<' ) )
{
return true === $exec_call ? wp_targeted_link_rel( $text ) : $text;
}
/**
* Do not run (more expensive) regex if no links with targets
*/
if( stripos( $text, 'target' ) === false || stripos( $text, '<a ' ) === false || is_serialized( $text ) )
{
return $text;
}
$attr_translate = array(
'data-av_icon',
'data-av_iconfont',
'data-fbscript_id'
);
/**
* Add more custom attributes that are removed by WP
*
* @since 4.6.4
* @param array
* @retrun array
*/
$attr_translate = apply_filters( 'avf_translate_targeted_link_rel_attributes', $attr_translate );
$trans_attributes = array();
foreach( $attr_translate as $value )
{
$trans_attributes[] = str_replace( '_', '----', $value);
}
// Fallback - this might break page, but version is already outdated
if( version_compare( phpversion(), '5.3', '<' ) )
{
$text_trans = str_replace( $attr_translate, $trans_attributes, $text );
$text_trans = wp_targeted_link_rel( $text_trans );
return str_replace( $trans_attributes, $attr_translate, $text_trans );
}
/**
* To avoid breaking a page we do not replace the the attribute names with simple str_replace but
* use the same way WP does to filter the a tags for replacing
*
* see wp-includes\formatting.php
*/
$script_and_style_regex = '/<(script|style).*?<\/\\1>/si';
$test_exec = true === $exec_call ? 'true' : $exec_call;
switch( $test_exec )
{
case 'reverse':
$start = 1;
break;
case 'translate':
case 'true':
default:
$start = 0;
break;
}
for( $iteration = $start; $iteration < 2; $iteration++ )
{
$matches = array();
preg_match_all( $script_and_style_regex, $text, $matches );
$extra_parts = $matches[0];
$html_parts = preg_split( $script_and_style_regex, $text );
switch( $iteration )
{
case 0;
$source = $attr_translate;
$replace = $trans_attributes;
break;
case 1:
default:
$source = $trans_attributes;
$replace = $attr_translate;
break;
}
foreach ( $html_parts as &$part )
{
$part = preg_replace_callback( '|<a\s([^>]*target\s*=[^>]*)>|i', function ( $matches ) use( $source, $replace )
{
$link_html = $matches[1];
// Consider the html escaped if there are no unescaped quotes
$is_escaped = ! preg_match( '/(^|[^\\\\])[\'"]/', $link_html );
if ( $is_escaped )
{
// Replace only the quotes so that they are parsable by wp_kses_hair, leave the rest as is
$link_html = preg_replace( '/\\\\([\'"])/', '$1', $link_html );
}
foreach( $source as $key => $value )
{
$link_html = preg_replace( '|' . $value . '\s*=|i', $replace[ $key ] . '=', $link_html );
}
if ( $is_escaped )
{
$link_html = preg_replace( '/[\'"]/', '\\\\$0', $link_html );
}
return "<a {$link_html}>";
}, $part );
}
unset( $part );
$text = '';
for( $i = 0; $i < count( $html_parts ); $i++ )
{
$text .= $html_parts[ $i ];
if( isset( $extra_parts[ $i ] ) )
{
$text .= $extra_parts[ $i ];
}
}
switch( $iteration )
{
case 0;
if( true === $exec_call )
{
$text = wp_targeted_link_rel( $text );
}
break;
default:
break;
}
if( 'translate' == $test_exec )
{
break;
}
}
return $text;
}
}
if( ! function_exists( 'handler_avia_widget_text' ) )
{
/**
* Replace attributes with _ that wp_targeted_link_rel() does not remove them
*
* @since 4.6.4
* @param string $content
* @param array $instance
* @param WP_Widget $widget
* @return type
*/
function handler_avia_widget_text( $content = '', $instance = null, $widget = null )
{
/**
* To support WP_Widget_Text:
*
* - Needs js code to replace translated attributes in frontend as this widget has no filter after call to wp_targeted_link_rel()
* or
* - Add a filter to wp-includes\widgets\class-wp-widget-text.php after wp_targeted_link_rel() call
*/
if( ! $widget instanceof WP_Widget_Custom_HTML || ! is_string( $content ) )
{
return $content;
}
return avia_targeted_link_rel( $content, 'translate' );
}
add_filter( 'widget_text', 'handler_avia_widget_text', 90000, 3 );
}
if( ! function_exists( 'handler_avia_widget_custom_html_content' ) )
{
/**
* Revert changes to attributes with _
*
* @since 4.6.4
* @param string $content
* @param array $instance
* @param WP_Widget $widget
* @return string
*/
function handler_avia_widget_custom_html_content( $content = '', $instance = null, $widget = null )
{
if( ! is_string( $content ) )
{
return $content;
}
return avia_targeted_link_rel( $content, 'reverse' );
}
add_filter( 'widget_custom_html_content', 'handler_avia_widget_custom_html_content', 90000, 3 );
}
if( ! function_exists( 'avia_accessibility_body_class' ) )
{
/**
* Add accessibility conformance classes to body to alter stylings without breaking existing sites
* e.g. line-height is required to be larger than in theme settings
*
* @since 4.8.8
* @param array $classes
* @return array
*/
function avia_accessibility_body_class( array $classes )
{
switch( avia_get_option( 'accessibility_conformance_option' ) )
{
case 'a_level':
$classes[] = 'av-accessibility-a';
break;
case 'aa_level':
$classes[] = 'av-accessibility-a av-accessibility-aa';
break;
case 'aaa_level':
$classes[] = 'av-accessibility-a av-accessibility-aa av-accessibility-aaa';
break;
}
return $classes;
}
add_filter( 'body_class', 'avia_accessibility_body_class' );
}
if( ! function_exists( 'avia_post_swipe_body_class' ) )
{
/**
* Swipe feature for post navigation.
*
* @since 5.5
* @param array $classes
* @return array
*/
function avia_post_swipe_body_class( array $classes )
{
global $post;
if( ! is_single() )
{
return $classes;
}
/**
* Allows to disable swipe for certain post types
*
* @since 5.5
* @param string $swipe_option
* @param WP_Post $post
* @return string 'post_nav_swipe' | ''
*/
$swipe = apply_filters( 'avf_post_nav_swipe_support', avia_get_option( 'post_nav_swipe' ), $post );
if( 'post_nav_swipe' == $swipe )
{
$classes[] = 'avia-post-nav-swipe-enabled';
}
return $classes;
}
add_filter( 'body_class', 'avia_post_swipe_body_class' );
}
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