wp_kses_normalize_entities2

Callback for wp_kses_normalize_entities() regular expression.

Description

(string) wp_kses_normalize_entities2( (array) $matches );

This function helps wp_kses_normalize_entities(…) to only accept 16-bit values and nothing more for &#number; entities.

Returns (string)

Correctly encoded entity

Parameters (1)

0. $matches (array): Preg_replace_callback(…) matches array

Usage

if ( !function_exists( 'wp_kses_normalize_entities2' ) ) { 
    require_once ABSPATH . WPINC . '/kses.php'; 
} 
  
// preg_replace_callback() matches array 
$matches = array(); 
  
// NOTICE! Understand what this does before running. 
$result = wp_kses_normalize_entities2($matches);

Defined (1)

The function is defined in the following location(s).

/wp-includes/kses.php

function wp_kses_normalize_entities2($matches) { 
    if ( empty($matches[1]) ) 
        return ''; 
 
    $i = $matches[1]; 
    if (valid_unicode($i)) { 
        $i = str_pad(ltrim($i, '0'), 3, '0', STR_PAD_LEFT); 
        $i = "&#$i;"; 
    } else { 
        $i = "&#$i;"; 
    } 
 
    return $i; 
}