How to use php list function

How to use the php list function?

Example

Assign the values ​​in the array to some variables:

<?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.";
?>

Output:

I have several animals, a Dog, a Cat and a Horse.

Definition and Usage

list() function is used to assign values ​​to a set of variables in one operation.

Note: This function is only used for numerically indexed arrays, and it is assumed that the numerical index starts from 0.

Recommended: "PHP Tutorial"

Syntax

list(var1,var2...)

Parameters

var1 required. The first variable to be assigned a value.

var2,... Optional. More variables need to be assigned values.

Description

list() function assigns values ​​to a set of variables using elements in the array.

Note that, similar to array(), list() is actually a language construct, not a function.

Return value: Returns the assigned array.

Example 1

Using the first and third variables:

<?php
$my_array = array("Dog","Cat","Horse");
list($a, , $c) = $my_array;
echo "我在这里只用了 $a 和 $c 变量。";
?>

Output:

<br/>

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