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<?php $array = Array ( "[", " [", " [", "Test", "Server1", null, "Server2", null, "", "stopped", " ]", " ]", "]" ); $res = preg_grep("/^\h*[][]\h*$/", $array, PREG_GREP_INVERT); var_export($res);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 3 => 'Test', 4 => 'Server1', 5 => NULL, 6 => 'Server2', 7 => NULL, 8 => '', 9 => 'stopped', )

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