tag_escape() WP 1.0

Escape an HTML tag name.

1 time = 0.000001s = speed of light | 50000 times = 0.05s = speed of light | PHP 7.2.16, WP 5.2

Hooks from the function

tag_escape

Return

String.

Usage

tag_escape( $tag_name );

$tag_name(string) (required)

Changelog

Since 2.5.0

Introduced.

Code of `tag_escape() tag escape` ^{WP 5.6}

wp-includes/formatting.php

<?php
function tag_escape( $tag_name ) {
	$safe_tag = strtolower( preg_replace( '/[^a-zA-Z0-9_:]/', '', $tag_name ) );
	/**
	 * Filters a string cleaned and escaped for output as an HTML tag.
	 *
	 * @since 2.8.0
	 *
	 * @param string $safe_tag The tag name after it has been escaped.
	 * @param string $tag_name The text before it was escaped.
	 */
	return apply_filters( 'tag_escape', $safe_tag, $tag_name );
}