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@ 2016-08-17T11:26:49Z

<?php

function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
    global $pass_allowed_html, $pass_allowed_protocols;
    $pass_allowed_html = $allowed_html;
    $pass_allowed_protocols = $allowed_protocols;
    return preg_replace_callback( '%((<!--.*?(-->|$))|(<[^>]*(>|$)|>))%', '_wp_kses_split_callback', $string );
}
function _wp_kses_split_callback( $match ) {
    global $pass_allowed_html, $pass_allowed_protocols;
    return wp_kses_split2( $match[1], $pass_allowed_html, $pass_allowed_protocols );
}

function wp_kses_split2($string, $allowed_html, $allowed_protocols) {
    wp_kses_split('', array(), array()); // this overrides the globals.
    print_r( array( $allowed_html, $allowed_protocols ) );
}

wp_kses_split("<a style='color: red;'>I link this</a>", array('a'=>array( 'style' => array() )), array('http') );

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => Array ( [a] => Array ( [style] => Array ( ) ) ) [1] => Array ( [0] => http ) ) Array ( [0] => Array ( ) [1] => Array ( ) )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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