本文实例讲述了php里array_work用法。分享给大家供大家参考。具体如下：
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// the test array
$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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希望本文所述对大家的php程序设计有所帮助。