note 100608 modified in function.array-walk-recursive by danbrown

If you don't really particularly care about the keys of an array, you can capture all values quite simply: <?php $sample = array('dog' => 'woof', 'cat' => array('angry' => 'hiss', 'happy' => 'purr'), 'aardvark' => 'kssksskss'); $output = array(); // Push all $val onto $output. array_walk_recursive($sample, create_function('$val, $key, $obj', 'array_push($obj, $val);'), &output); // Printing echo nl2br(print_r($output, true)); /* * Array * ( * [0] => woof * [1] => hiss * [2] => purr * [3] => kssksskss * ) */ ?> [EDIT BY danbrown AT php DOT net: In a note added by 'FaustoFilho' on 17-MAY-2011, the following information was appended to this note. [If you intend to use this] "function to extract the last key value of an array, don't forget to insert a currency sign ($) signal before '$output' at 7th line. This value must be a variable, and if you forgot to assign this signal, your code won't work, displaying an error like this: Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /path/to/script.php on line 7."] --was-- If you don't really particularly care about the keys of an array, you can capture all values quite simply: <?php $sample = array('dog' => 'woof', 'cat' => array('angry' => 'hiss', 'happy' => 'purr'), 'aardvark' => 'kssksskss'); $output = array(); // Push all $val onto $output. array_walk_recursive($sample, create_function('$val, $key, $obj', 'array_push($obj, $val);'), &output); // Printing echo nl2br(print_r($output, true)); /* * Array * ( * [0] => woof * [1] => hiss * [2] => purr * [3] => kssksskss * ) */ ?> http://php.net/manual/en/function.array-walk-recursive.php