How to delete a value in an array in php

How to delete a value in an array in php: You can use the php built-in function array_splice() to delete. This function can remove the selected element from the array, replace it with the new element, and return the array of the removed element, such as [array_splice($array, 1, 1)].

array_splice() function removes the selected element from an array and replaces it with a new element. The function will also return an array of removed elements.

(Recommended tutorial: php graphic tutorial)

Syntax:

array_splice(array,start,length,array)

Parameters:

• array Required. Specifies array

• start Required. numerical value. Specifies the starting position of deleted elements

• length Optional. numerical value. Specifies the number of elements to be removed, which is also the length of the returned array

• array Optional. Specifies an array with elements to be inserted into the original array

(Video tutorial recommendation: php video tutorial)

Code implementation:

<?php
$array = array(0 => "a", 1 => "b", 2 => "c");
array_splice($array, 1, 1);
                   //↑ Offset which you want to delete
print_r($array);
?>

Output result:

Array(
    [0] => a
    [1] => c
    )

The above is the detailed content of How to delete a value in an array in php. For more information, please follow other related articles on the PHP Chinese website!