php里array_work用法实例分析

// the test array $array = array(  'php', 'arrays', 'are', 'cool'  );// some variable for testing:$some_var = 'NEW';// the function that get's called for each entryfunction format_array_values(&$item, $key, $some_var) {  $item = $some_var . ": $item (KEY: $key)<br/>";}// "walk" trough each array item and call the function:// "format_array_values"array_walk($array, 'format_array_values', $some_var);// print the result:print_r($array);/*The output will be:Array(  [0] => NEW: php (KEY: 0)<br/>  [1] => NEW: arrays (KEY: 1)<br/>  [2] => NEW: are (KEY: 2)<br/>  [3] => NEW: cool (KEY: 3)<br/>)*/