wp_kses_no_null

Removes any invalid control characters in $string.

Description

(string) wp_kses_no_null( (string) $string, (null) $options = null );

Also removes any instance of the \0 string.

Returns (string)

Parameters (2)

0. $string (string): The string.
1. $options — Optional. (null) => null: Set slash_zero => keep. when \0 is allowed. Default is remove.

Usage

if ( !function_exists( 'wp_kses_no_null' ) ) { 
    require_once ABSPATH . WPINC . '/kses.php'; 
} 
  
// The string. 
$string = ''; 
  
// Set 'slash_zero' => 'keep' when '\0' is allowed. Default is 'remove'. 
$options = null; 
  
// NOTICE! Understand what this does before running. 
$result = wp_kses_no_null($string, $options);

Defined (1)

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

/wp-includes/kses.php

function wp_kses_no_null( $string, $options = null ) { 
    if ( ! isset( $options['slash_zero'] ) ) { 
        $options = array( 'slash_zero' => 'remove' ); 
    } 
 
    $string = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $string ); 
    if ( 'remove' == $options['slash_zero'] ) { 
        $string = preg_replace( '/\\\\+0+/', '', $string ); 
    } 
 
    return $string; 
}