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<?php $messages = array(312, 401, 401, 1599, 3); $del_val = 401; if(($key = array_search($del_val, $messages)) !== false) { unset($messages[$key]); } print_r($messages);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 312 [2] => 401 [3] => 1599 [4] => 3 )

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