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The list() function is used to assign values to a list of variables in one operation.
list()函数的作用是:给数组中的变量赋值。
list(var1,var2...) |
Parameter 参数 | Description 描述 |
---|---|
var1 | Required. The first variable to assign a value to 必要参数。给第一个变量指定要赋的值 |
var2 | Optional. More variables to assign values to 可选参数。给第二个变量指定要赋的值,当然可以有第三、第四个变量…… |
Note: This function only works on numerical arrays.
注意:这个函数只用于字符型数组。
<?php $my_array = array("Dog","Cat","Horse"); list($a, $b, $c) = $my_array; echo "I have several animals, a $a, a $b and a $c."; ?> |
The output of the code above will be:
上述代码将输出下面的结果:
I have several animals, a Dog, a Cat and a Horse. |
<?php $my_array = array("Dog","Cat","Horse"); list($a, , $c) = $my_array; echo "Here I only use the $a and $c variables."; ?> |
The output of the code above will be:
上述代码将输出下面的结果:
Here I only use the Dog and Horse variables. |