<?php
 
 
// SET TEXT TO BE USED
$string = 'some text some text <b>some text</b> some text <a href=http://sometextsometext<b>sometext</b>sometextsometext>text</a> some text some text.  And We Have A <a href=http://google.com>Google</a> Link';
 
 
// USE A CALLBACK FUNTION TO SCAN THROUGH LINKS
$string = preg_replace_callback('~<a.*?</a>~', 'remove_crap_from_links', $string);
 
print $string;
 
 
// THIS IS THE CALLBACK FUNCTION ... EACH LINK IS STORED AS '$m'
function remove_crap_from_links($m) {
 
	// PULL OUT THE PART OF THE LINK BEFORE THE CLOSING LINK BRACKET
	// (USE A NEGATIVE LOOKAHEAD TO MAKE SURE THAT IT CAN'T HAVE ANY OPENING/CLOSING HTML BRACKETS IN THERE
	if (preg_match('~<a(.*?)>(?:[^<>]*?)</a>~i', $m[0], $url_matches)) {
 
		// RUN A PHP strip_tags FUNCTION TO PULL OUT ANY HTML TAGS FOUND IN THE LINK BODY
		$stripped_url = strip_tags($url_matches[1]);
 
		// REBUILD THE URL, USING THE $stripped_url IN PLACE OF WHAT WAS ALREADY THERE
		$clean_url = preg_replace('~(<a)(.*?)(>(?:[^<>]*?)</a>)~', '$1'.$stripped_url.'$3', $m[0]);
 
	}
 
 
	return $clean_url;
 
 
}

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