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PHP array_shift () function

PHP Array Reference Complete PHP Array Reference

Examples

Remove the first element in the array (red), and returns the removed element:

<?php $a = array ( " a " => " red " , " b " => " green " , " c " => " blue " ) ; echo array_shift ( $a ) ; print_r ( $a ) ; ?>

Running instance »

Definition and Usage

array_shift () function is used to delete the first element in the array, and returns the removed element.

Note: If a key is digital, all elements will get a new key name, starting with 0 and increments by 1 (see examples below).


grammar

array_shift( array )

参数 描述
array 必需。规定数组。

technical details

return value: Returns removed from the array element's value, if the array is empty, returns NULL.
PHP version: 4+


More examples

Example 1

Use the numeric keys:

<?php
$a=array(0=>"red",1=>"green",2=>"blue");
echo array_shift($a);
print_r ($a);
?>

Running instance »


PHP Array Reference Complete PHP Array Reference