PHP array_shift() Function

Remove the first element (red) from an array, and return the value of the removed element:

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

Definition and Usage

The array_shift() function removes the first element from an array, and returns the value of the removed element.

Note: If the keys are numeric, all elements will get new keys, starting from 0 and increases by 1 (See example below).

array_shift(array)

Parameter	Description
array	Required. Specifies an array

Return Value:	Returns the value of the removed element from an array, or NULL if the array is empty
PHP Version:	4+

Using numeric keys:

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