function get_array_data($arr = array() , $keyName = '', $type = 'string', $defaultVal = null) {
if (empty($arr)) {
return $defaultVal;
}
else {
if (is_array($keyName)) {
//Get by main name or alternative name.
$value = array_key_exists($keyName[0], $arr) ? $arr[$keyName[0]] : (array_key_exists($keyName[1], $arr) ? $arr[$keyName[1]] : $defaultVal);
}
else {
$value = array_key_exists($keyName, $arr) ? $arr[$keyName] : $defaultVal;
}
if (!is_null($value)) {
//Check boolean, string, numeric, array
if (in_array($type, array(
'bool',
'boolean'
))) {
$trueVals = array(
'1',
1,
'yes',
'y',
'on',
'true',
true
);
if (in_array($value, $trueVals)) {
$value = 1;
}
$value = 0;
}
elseif ($type == 'string') {
$value = (string)$value;
}
elseif ($type == 'int') {
$value = (int)$value;
}
elseif ($type == 'float') {
$value = (float)$value;
}
elseif ($type == 'double') {
$value = (double)$value;
}
elseif ($type == 'array') {
if (!is_array($value)) {
$value = false;
}
}
}
return $value;
}
}
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