wp_rel_nofollow

Adds rel nofollow string to all HTML A elements in content.

Description

(string) wp_rel_nofollow( (string) $text );

Returns (string)

Converted content.

Parameters (1)

0. $text (string): Content that may contain HTML A elements.

Usage

if ( !function_exists( 'wp_rel_nofollow' ) ) { 
    require_once ABSPATH . WPINC . '/formatting.php'; 
} 
  
// Content that may contain HTML A elements. 
$text = ''; 
  
// NOTICE! Understand what this does before running. 
$result = wp_rel_nofollow($text);

Defined (1)

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

/wp-includes/formatting.php

function wp_rel_nofollow( $text ) { 
    // This is a pre save filter, so text is already escaped. 
    $text = stripslashes($text); 
    $text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text); 
    return wp_slash( $text ); 
}