PHP array_shift() Function

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# PHP array_shift() Function

Complete PHP Array Reference

## Definition and Usage

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

## Syntax

    array_shift(array)

Parameter | Description
--- | ---
array | Required. Specifies an array

## Tips and Notes

Note: If the keys are numeric, all elements will get new keys, starting from 0 and increases by 1. (See example 2)

## Example 1

    <?php
    $a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
    echo array_shift($a);
    print_r ($a);
    ?>

The output of the code above will be:

    Dog
    Array ( [b] => Cat [c] => Horse )

## Example 2

With numeric keys:

    <?php
    $a=array(0=>"Dog",1=>"Cat",2=>"Horse");
    echo array_shift($a);
    print_r ($a);
    ?>

The output of the code above will be:

    Dog
    Array ( [0] => Cat [1] => Horse )

Complete PHP Array Reference

From http://www.w3schools.com (Copyright Refsnes Data)