php中数组p[]表示什么?解决方案
php中数组p[]表示什么?
php中数组p[]表示什么?
$g = array();
foreach($re as $key => $val)
{
$g[] = new class_a($val) ;
}
p[]表示当前数组指针?
------解决方案--------------------
手册中有:
用方括号的语法新建/修改
可以通过明示地设定值来改变一个现有的数组。
这是通过在方括号内指定键名来给数组赋值实现的。也可以省略键名,在这种情况下给变量名加上一对空的方括号(“[]”)。 $arr[key] = value;
$arr[] = value;
// key 可以是 integer 或者 string
// value 可以为任何值。
------解决方案--------------------
$g[] 是给数组$g赋值,在你的例子中索引从0开始。
------解决方案--------------------
$g[]就是一个空的数组。

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

In this chapter, we will understand the Environment Variables, General Configuration, Database Configuration and Email Configuration in CakePHP.

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

To work with date and time in cakephp4, we are going to make use of the available FrozenTime class.

To work on file upload we are going to use the form helper. Here, is an example for file upload.

CakePHP is an open-source framework for PHP. It is intended to make developing, deploying and maintaining applications much easier. CakePHP is based on a MVC-like architecture that is both powerful and easy to grasp. Models, Views, and Controllers gu

In this chapter, we are going to learn the following topics related to routing ?

Working with database in CakePHP is very easy. We will understand the CRUD (Create, Read, Update, Delete) operations in this chapter.

Validator can be created by adding the following two lines in the controller.
