PHP Add To and Remove Elements From an Array

In this tutorial, I’ll show you eight different ways to add to, remove from and insert elements to/from an array in PHP. PHP array functions used include: array(), array_push(), array_unshift(), array_pop(), array_shift(), array_slice(), count(), array_diff() and array_splice().

Let’s start with our original array:

<?php
// Our original array
$array = array('one', 'two', 'three');

Here’s how you add elements to the end of a PHP array:

<?php
// Add elements to end of array
array_push($array, 'four', 'five');

Here’s how to elements to the beginning of a PHP array:

<?php
// Add elements to beginning of array
array_unshift($array, 'zero');

Here’s how to remove a single element from the end of an array:

<?php
// Remove one element from end of array
array_pop($array);

Here’s how to remove a single element from the beginning of an array:

<?php
// Remove one element from beginning of array
array_shift($array);

Here’s how to GET multiple elements from the end of an array:

<?php
// Get multiple elements from end of array
$lasttwo = array_slice($array, -2);

Here’s how to remove multiple elements from the end of an array and return what’s left:

<?php
// Remove multiple elements from end of array
$length = count($array);
$slice = array_slice($array, 0, $length-2);

Here’s how to remove specific elements (by value) from a PHP array:

<?php
// Remove specific elements from an array
$diff = array_diff($array, array('one', 'four'));

Here’s how to insert an element anywhere into an array:

<?php
// Insert element anywhere in array
array_splice( $array, 2, 0, 'inserted');

If you’d like to learn even more PHP, then consider taking my full PHP course here.

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John Morris

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