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run code in 150+ php & hhvm versions
Bugs & Features
<?php $key = "infoscom.ipad"; $pattern = '/(' . str_replace('.', '\.', $key) . '\.\w+);/i'; $ua = "Mozilla/5.0 (infoscom.iPad.1; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/531.21.10"; var_dump(preg_match($pattern, $ua, $reMatches), $reMatches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(1) array(2) { [0]=> string(16) "infoscom.iPad.1;" [1]=> string(15) "infoscom.iPad.1" }