<?php
function numbers_in_array($array)
{
return array_filter($array, "is_numeric") ? FALSE : TRUE;
}
$data = array(
"keepThis" => array("x", "y", "z"),
"RemoveThis" => array("3", "2", "1"),
"keepThis2" => array("x", "y", "z")
);
$filtered_data = array_filter($data, "numbers_in_array");
print_r($filtered_data);
?>
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