/**
 * array_work用法
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
$array = array(
    'PHP','arrays','are','cool'    
);
 
// some variable for testing:
$some_var = 'NEW';
 
 
// the function that get's called for each entry
function 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/>
)
*/


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