05c07-3.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 14 行

<?php
// Declare two arrays:
$first = array('e', 'h', 'r', 'j', 'b');
$last = array('w', 'e', 'c');

// Determine the different (complement) of these sets
$diff = array_diff($last, $first);

// Echo this out:  w c
echo '<p>';
foreach ($diff as $v) { echo "{$v} "; } 
echo "</p>\n";
?>