westonruter · September 5, 2024 01:50 · westonruter · Aug 20, 2019 · aristath · Aug 21, 2019
diff --git a/force_balance_tags2.php b/force_balance_tags2.php
 <?php

 /**
 * Use DOMDocument to do a more robust job at force_balance_tags.
 * 
 * "force_balance_tags() is not a really safe function. It doesn’t use an HTML parser 
 * but a bunch of potentially expensive regular expressions. You should use it only if 
 * you control the length of the excerpt too. Otherwise you could run into memory issues 
 * or some obscure bugs." <http://wordpress.stackexchange.com/a/89169/8521>
 *
 * For more reasons why to not use regular expressions on markup, see http://stackoverflow.com/a/1732454/93579
 * 
 * @link http://wordpress.stackexchange.com/questions/89121/why-doesnt-default-wordpress-page-view-use-force-balance-tags
 * @see force_balance_tags()
 *
 * @param string $markup Markup.
 * @return string Balanced markup.
 */
 function force_balanced_tags2( $markup ) {
 	$libxml_previous_state = libxml_use_internal_errors( true );
 	$dom = new DOMDocument();

 	$html = sprintf( 
 		'<html><head><meta http-equiv="content-type" content="text/html; charset=%s"></head><body>%s</body></html>', 
 		esc_attr( get_bloginfo( 'charset' ) ),
 		$markup
 	);
 	
 	$dom->loadHTML( $html );
 	$body = $dom->getElementsByTagName( 'body' )->item( 0 );
 	$markup = str_replace( array( '<body>', '</body>' ), '', $dom->saveHTML( $body ) );
 	
 	libxml_clear_errors();
 	libxml_use_internal_errors( $libxml_previous_state );
 	return $markup;
 }
	<?php

	/**
	* Use DOMDocument to do a more robust job at force_balance_tags.
	*
	* "force_balance_tags() is not a really safe function. It doesn’t use an HTML parser
	* but a bunch of potentially expensive regular expressions. You should use it only if
	* you control the length of the excerpt too. Otherwise you could run into memory issues
	* or some obscure bugs." <http://wordpress.stackexchange.com/a/89169/8521>
	*
	* For more reasons why to not use regular expressions on markup, see http://stackoverflow.com/a/1732454/93579
	*
	* @link http://wordpress.stackexchange.com/questions/89121/why-doesnt-default-wordpress-page-view-use-force-balance-tags
	* @see force_balance_tags()
	*
	* @param string $markup Markup.
	* @return string Balanced markup.
	*/
	function force_balanced_tags2( $markup ) {
	$libxml_previous_state = libxml_use_internal_errors( true );
	$dom = new DOMDocument();

	$html = sprintf(
	'<html><head><meta http-equiv="content-type" content="text/html; charset=%s"></head><body>%s</body></html>',
	esc_attr( get_bloginfo( 'charset' ) ),
	$markup
	);

	$dom->loadHTML( $html );
	$body = $dom->getElementsByTagName( 'body' )->item( 0 );
	$markup = str_replace( array( '<body>', '</body>' ), '', $dom->saveHTML( $body ) );

	libxml_clear_errors();
	libxml_use_internal_errors( $libxml_previous_state );
	return $markup;
	}