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<?php function _flatten_array($arr) { while ($arr) { list($key, $value) = each($arr); is_array($value) ? $arr = $value : $out[$key] = $value; unset($arr[$key]); } return (array)$out; } $aNonFlat = array( 1, 2, array( 3, 4, 5, array( 6, 7 ), 8, 9, ), 10, 11 ); var_export(_flatten_array($aNonFlat));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function each() in /in/7cO9N:4 Stack trace: #0 /in/7cO9N(28): _flatten_array(Array) #1 {main} thrown in /in/7cO9N on line 4
Process exited with code 255.

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