allow_empty_comment │ filter-hook │ WP 5.1.0

Filters whether an empty comment should be allowed.

Usage

add_filter( 'allow_empty_comment', 'wp_kama_allow_empty_comment_filter', 10, 2 );

/**
 * Function for `allow_empty_comment` filter-hook.
 * 
 * @param bool  $allow_empty_comment Whether to allow empty comments.
 * @param array $commentdata         Array of comment data to be sent to wp_insert_comment().
 *
 * @return bool
 */
function wp_kama_allow_empty_comment_filter( $allow_empty_comment, $commentdata ){

	// filter...
	return $allow_empty_comment;
}

$allow_empty_comment(true|false)

Whether to allow empty comments.
Default: false

$commentdata(array)

Array of comment data to be sent to wp_insert_comment().

Changelog

Where the hook is called

$allow_empty_comment = apply_filters( 'allow_empty_comment', false, $commentdata );

$allow_empty = apply_filters( 'allow_empty_comment', false, $comment );

$allow_empty = apply_filters( 'allow_empty_comment', false, $check );

Where the hook is used in WordPress