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compact() 函数
作者:w3pop.com
翻译/整理:w3pop.com
发布:2007-04-28
浏览:1579 ::
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Definition and Usage
定义和用法
The compact() function creates an array from variables and their values.
compact()函数的作用是：以一个数组的形式返回所有的变量和它对应的值。
Syntax
语法
compact(var1,var2...) |
| Parameter参数 | Description描述 |
|---|---|
| var1 | Required. Can be a string with the variable name, or an array of variables 必要参数。指定一个变量名称字符串或一个变量数组名称字符串 |
| var2 | Optional. Can be a string with the variable name, or an array of variables. Multiple parameters are allowed. 可选参数。指定一个变量名称字符串或一个变量数组名称字符串。当然可以继续指定更多的变量名（接下去可以有var3、var4……） |
Tips and Notes
提示和注意点
Note: Any strings that does not march variable names will be skipped.
注意：在该函数执行过程中，与变量名称不匹配的字符串将被忽略。
Example 1
案例1
<?php
$firstname = "Peter";
$lastname = "Griffin";
$age = "38";
$result = compact("firstname", "lastname", "age");
print_r($result);
?>
|
The output of the code above will be:
上述代码将输出下面的结果：
Array ( [firstname] => Peter [lastname] => Griffin [age] => 38 ) |
Example 2
案例2
Using a string that does not match a variable, and an array of variable names:
如果字符串与一个变量或一个变量数组的名称不匹配时将出现的情况：
<?php
$firstname = "Peter";
$lastname = "Griffin";
$age = "38";
$name = array("firstname", "lastname");
$result = compact($name, "location", "age");
print_r($result);
?>
|
The output of the code above will be:
上述代码将输出下面的结果：
Array ( [firstname] => Peter [lastname] => Griffin [age] => 38 ) |
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