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<?php $str = "Mozilla/4.5 [en] (X11; U; Linux 2.2.9 i586)"; preg_match_all('/;/', $str, $matches); var_dump($matches); echo matches[1][1];
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(2) { [0]=> string(1) ";" [1]=> string(1) ";" } } Fatal error: Uncaught Error: Undefined constant "matches" in /in/YqIgR:9 Stack trace: #0 {main} thrown in /in/YqIgR on line 9
Process exited with code 255.

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