make_url_footnote( string $content )

This function has been deprecated.

Strip HTML and put links at the bottom of stripped content.

Description

Searches for all of the links, strips them out of the content, and places them at the bottom of the content with numbers.

Parameters

$content

(string) (Required) Content to get links.

Return

(string) HTML stripped out of content with links at the bottom.

Source

File: wp-includes/deprecated.php 

function make_url_footnote( $content ) {
	_deprecated_function( __FUNCTION__, '2.9.0', '' );
	preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
	$links_summary = "\n";
	for ( $i = 0, $c = count( $matches[0] ); $i < $c; $i++ ) {
		$link_match = $matches[0][$i];
		$link_number = '['.($i+1).']';
		$link_url = $matches[2][$i];
		$link_text = $matches[4][$i];
		$content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
		$link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
		$links_summary .= "\n" . $link_number . ' ' . $link_url;
	}
	$content  = strip_tags( $content );
	$content .= $links_summary;
	return $content;
}

Uses

Uses Description
wp-includes/functions.php: _deprecated_function()

Mark a function as deprecated and inform when it has been used.
wp-includes/option.php: get_option()

Retrieves an option value based on an option name.

Used By

Used By Description
wp-includes/deprecated.php: the_content_rss()

Display the post content for the feed.

Changelog

Version Description
2.9.0 This function has been deprecated.
0.71 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/make_url_footnote