Online PHP editor | output for sSPRO

@ 2014-02-13T20:11:51Z

<?php
$foo = "<a href='http://demowww.wavebid.com/content/openPdfFile.html?id=7828114'>
<img src=\"http://www.wavebid.com/images/icons/pdf-128x128.jpg\" style=\"height: 25px\"/>IPv4_Multicast.pdf</a>
<br />
<a href='http://demowww.wavebid.com/content/openPdfFile.html?id=7828115'>
<img src=\"http://www.wavebid.com/images/icons/pdf-128x128.jpg\" style=\"height: 25px\"/>IPv6.pdf</a><br />";

preg_match("im#<a href='(.*)'>|/>(.*?)<#", $foo, $m);
var_dump($m);

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/sSPRO on line 8 NULL
Output for 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: Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/sSPRO on line 8 NULL
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/sSPRO on line 8 array(0) { }
Output for 4.3.0 - 4.3.10: Warning: Delimiter must not be alphanumeric or backslash in /in/sSPRO on line 8 array(0) { }

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