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run code in 200+ php & hhvm versions
Bugs & Features
<?php $matches = null; preg_match_all('@b.n?g@', $text, $matches);; var_dump($matches);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: text in /in/PprOe on line 4 array(1) { [0]=> array(0) { } }
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: text in /in/PprOe on line 4 array(1) { [0]=> array(0) { } }