<?php
// 1. Identify the block of <a> elements
$string = '<div><a href=%http://link1%><img></a><a href=%http://link2%><img></a><a href=%http://link3%><img></a></div>';
$re = '|<div>((<a((?!href)(?!<).)+?href=%([^%]+?)%((?!</a>).)+?</a>){3})</div>|';
$matches = array();
echo('result='.intval(preg_match($re, $string, $matches))."\n");
echo('$matches='); print_r($matches);
// 2. Extract the URLs
$re = '|<a((?!href)(?!<).)+?href=%([^%]+?)%((?!</a>).)+?</a>|';
preg_match_all($re, $matches[1], $matches);
echo('URLs='); print_r($matches[2]);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- result=1
$matches=Array
(
[0] => <div><a href=%http://link1%><img></a><a href=%http://link2%><img></a><a href=%http://link3%><img></a></div>
[1] => <a href=%http://link1%><img></a><a href=%http://link2%><img></a><a href=%http://link3%><img></a>
[2] => <a href=%http://link3%><img></a>
[3] =>
[4] => http://link3
[5] => >
)
URLs=Array
(
[0] => http://link1
[1] => http://link2
[2] => http://link3
)
preferences:
271.45 ms | 406 KiB | 459 Q