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run code in 150+ php & hhvm versions
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<?php $text = array('text1', 'text-fixed-font3', 'text2'); foreach($text as $str) { preg_match_all('#\d+#', $str, $matches); var_dump($matches[0][0]); }
based on f3HEL
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(1) "1" string(1) "3" string(1) "2"