How to remove the last array element in php

Two removal methods: 1. Use the array_pop() function to delete elements at the end of the array, with the syntax "array_pop ($arr)"; 2. Use the array_splice() function to delete part of the array elements. Just set the second parameter to "-1", the syntax is "array_splice($arr,-1)".

The operating environment of this tutorial: Windows 7 system, PHP version 8.1, DELL G3 computer

Method 1: Use array_pop() Function

array_pop() function is used to delete elements at the end of the array.

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array(10,12,20,25,24);
echo "原数组：";
var_dump($arr);

echo "删除后的数组：" ;
array_pop($arr);
var_dump($arr);
?>

Output result:

#Method 2: Use array_splice() function

array_splice() function To delete part of the array elements; set the second parameter of the array_splice() function to -1 to delete the last array element.

Example:

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array(10,12,20,25,24);

echo "删除后的数组：" ;
array_splice($arr,-1);
var_dump($arr);
?>

Output result:

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