经测试代码如下:
/**
* array_work用法
*
* @param
* @arrange (编程之家) 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/>
)
*/
/*** 来自编程之家 jb51.cc(jb51.cc) ***/