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<?php $array = [ 'foo' => 1, //'show_me_120' => 'something', 'bar' => 42, ]; $showMeNumber = null; foreach ($array as $k => $v) { if (sscanf($k, 'show_me_%d',$showMeNumber)) { break; } } var_export($showMeNumber);
Output for git.master, git.master_jit, rfc.property-hooks
NULL

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