option_blog_charset

The WordPress Core option blog charset hook.

Description

add_filter( 'option_blog_charset', (string) $wp_specialchars ); 

Parameters (1)

0. $wp_specialchars (string) => '_wp_specialchars'
The wp specialchars.

Usage

To run the hook, copy the example below.
  1. $wp_specialchars = apply_filters( 'option_blog_charset', $wp_specialchars ); 
  2.  
  3. if ( !empty( $wp_specialchars ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the option_blog_charset callback 
  2. function filter_option_blog_charset( $wp_specialchars ) { 
  3. // make filter magic happen here... 
  4. return $wp_specialchars
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'option_blog_charset', 'filter_option_blog_charset', 10, 1 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'option_blog_charset', 'filter_option_blog_charset', 10, 1 ); 

Defined (2)

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

/wp-includes/default-filters.php  
  1. add_filter( 'option_blog_charset', '_wp_specialchars' ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop 
  1. add_filter( 'option_blog_charset', '_canonical_charset' );