Using WordPress ‘kses_init_filters()’ PHP function

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The kses_init_filters() WordPress PHP function adds all KSES input form content filters.

Usage

kses_init_filters();

Parameters

  • None

More information

See WordPress Developer Resources: kses_init_filters()

Examples

Enable KSES filters

Enable the KSES filters for input form content in your WordPress theme or plugin:

add_action('init', 'kses_init_filters');

Remove KSES filters

To remove the KSES filters from input form content in your WordPress theme or plugin:

remove_filter('pre_comment_content', 'wp_filter_kses');
remove_filter('title_save_pre', 'wp_filter_kses');
remove_filter('content_save_pre', 'wp_filter_post_kses');
remove_filter('excerpt_save_pre', 'wp_filter_post_kses');
remove_filter('content_filtered_save_pre', 'wp_filter_post_kses');

Check if KSES filters are enabled

To check if KSES filters are enabled for a specific hook:

if (has_filter('pre_comment_content', 'wp_filter_kses')) {
    echo 'KSES filters are enabled for pre_comment_content.';
} else {
    echo 'KSES filters are not enabled for pre_comment_content.';
}

Enable KSES filters for custom fields

To enable KSES filters for custom fields, add a filter for the sanitize_meta hook:

add_filter('sanitize_meta', 'wp_filter_kses', 10, 4);

Enable KSES filters for a custom hook

To enable KSES filters for your custom hook:

add_filter('your_custom_hook', 'wp_filter_kses');

Replace your_custom_hook with the name of your custom hook.