PHP list()函数用于一次将数组值赋给多个变量。此函数是在 PHP 4.0 中引入的。
语法
array list ( mixed $var1 [, mixed $... ] ); 参数
| 参数 | 描述 | 必须/可选 |
|---|---|---|
| 变量1 | 要为其赋值的第一个变量。 | 必须 |
| 变量2... | 更多要赋值的变量。 | 可选 |
返回值
list( ) 函数返回指定的数组。
例子1
<?php
$subjects = array("php","javascript","html");
list($x, $y, $z) = $subjects;
echo "I am expert in $x, $y and $z.";
?> 输出:
I am expert in php, javascript and html.
例子2
<?php
$subject = array("php","javascript","asp.net");
list($x, , $z) = $subject;
echo "We have covered $x and $z and so many other topics";
?> 输出:
We have covered php and asp.net and so many other topics