search
HomeBackend DevelopmentPHP ProblemHow to remove the first element in php

php移除第一个元素的方法:首先创建一个PHP示例文件;然后定义一个数组;最后通过“array_shift()”函数加while循环不断移除数组的第一个元素即可。

How to remove the first element in php

本文操作环境:windows7系统、PHP7.1版,DELL G3电脑

php通过array_shift()函数移除数组第一个元素的方法

下面的代码通过array_shift()函数加while循环不断移除数组的第一个元素,直到数组为空

<?php
$alpha = array("a", "b", "c");
while ( count( $alpha ) ) {
 $val = array_shift( $alpha);
 print "$val<br />";
 print "there are ".count( $alpha )." elements in \$alpha <br />";
}
?>

【推荐学习:《PHP视频教程》】

The above is the detailed content of How to remove the first element in php. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment