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php里array_work用法实例分析_PHP

时间:2021-07-01 10:21:17 帮助过:2人阅读

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:

// 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: $key)
"; } // "walk" trough each array item and call the function: // "format_array_values" array_walk($array, 'format_array_values', $some_var); // print the result: print_r($array); /* The output will be: Array ( [0] => NEW: php (KEY: 0)
[1] => NEW: arrays (KEY: 1)
[2] => NEW: are (KEY: 2)
[3] => NEW: cool (KEY: 3)
) */

希望本文所述对大家的php程序设计有所帮助。

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