pre_comment_content │ filter-hook │ WP 1.5.0

Filters the comment content before it is set.

Usage

add_filter( 'pre_comment_content', 'wp_kama_pre_comment_content_filter' );

/**
 * Function for `pre_comment_content` filter-hook.
 * 
 * @param string $comment_content The comment content.
 *
 * @return string
 */
function wp_kama_pre_comment_content_filter( $comment_content ){

	// filter...
	return $comment_content;
}
$comment_content(string)
The comment content.

Changelog

Since 1.5.0 Introduced.

Where the hook is called

wp_filter_comment()
pre_comment_content
wp-includes/comment.php 2228 
$commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );

Where the hook is used in WordPress

wp-admin/includes/ajax-actions.php 1349 
remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-admin/includes/ajax-actions.php 1350 
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/comment.php 2639 
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/comment.php 2653 
remove_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/comment.php 3757 
remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-includes/comment.php 3758 
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/default-filters.php 158 
add_filter( $filter, 'convert_invalid_entities' );
wp-includes/default-filters.php 159 
add_filter( $filter, 'balanceTags', 50 );
wp-includes/default-filters.php 312 
add_filter( 'pre_comment_content', 'wp_rel_ugc', 15 );
wp-includes/kses.php 2472 
add_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-includes/kses.php 2474 
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/kses.php 2504 
remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-includes/kses.php 2505 
remove_filter( 'pre_comment_content', 'wp_filter_kses' );