note 24803 modified in function.end by danbrown

When adding an element to an array, it may be interesting to know with which key it was added. Just adding an element does not change the current position in the array, so calling key() won't return the correct key value; you must first position at end() of the array: <?php function array_add(&$array, $value) { $array[] = $value; // add an element end($array); // important! return key($array); } ?> --was-- When adding an element to an array, it may be interesting to know with which key it was added. Just adding an element does not change the current position in the array, so calling key() won't return the correct key value; you must first position at end() of the array: function array_add(&$array, $value) { $array[] = $value; // add an element end($array); // important! return key($array); } http://php.net/manual/en/function.end.php