Home Backend Development PHP Tutorial 10 recommended courses on PHP chdir() function

10 recommended courses on PHP chdir() function

Jun 10, 2017 pm 03:02 PM

php Definition and usage of chdir() function? In PHP, the chdir() function changes the current directory. What does it mean? It means to get the current directory and change it to another directory. Originally, your current directory is the WWW/index directory. After using the chdir() function, return Current directory, you will find that the current directory is no longer the WWW/index directory. This article introduces the php chdir() function in detail, I hope it will be helpful to everyone. The syntax of php chdir() function chdir(directory); detailed explanation of parameters: The parameter directory specifies the new current directory. The return value of the php chdir() function. The php chdir() function returns TRUE if successful. On failure, FALSE is returned and an E_WARNING level error is thrown. PHP chdir() function example uses the PHP chdir() function to change the current directory. The code is as follows:

1. php Change the definition and usage of the current directory function chdir() Detailed Example

10 recommended courses on PHP chdir() function

Introduction: In PHP, the chdir() function changes the current directory. What does it mean? , which means to get the current directory and change it to another directory. Originally, your current directory is the WWW/index directory. After using the chdir() function, and then return to the current directory, you will find that the current directory is no longer WWW/index. Directory. This article introduces the php chdir() function in detail, I hope it will be helpful to everyone.

2. How to modify the suffix of a specified file in php

10 recommended courses on PHP chdir() function

##Introduction: This article mainly introduces the method of modifying the suffix of the specified file in PHP. The function foreachDir in the article can realize the detection, reading, opening and file suffix replacement of the file directory. It is a very practical skill and is needed. Friends can refer to

3. When executing the file in php cli mode, the require loading path is wrong

Introduction:: This article mainly introduces the executable file in php cli mode. The require loading path is wrong. Students who are interested in PHP tutorials can refer to it.

4. php infinite directory traversal

Introduction::This article mainly introduces php unlimited directory traversal. Students who are interested in PHP tutorials can refer to it.

5. 1kb folder shortcut virus removal special attachment php function code for batch modification of file suffix names

Introduction: 1kb folder shortcut virus removal special attachment: 1kb folder shortcut virus removal special attachment Function code for batch modifying file suffix names in php: Copy the code as follows:

6. #Introduction: Couplet Collection Eternal Absolute: Couplet Collection Eternal Absolute PHP code to get the absolute path of the file Previous directory: PHP Get the absolute path of the file Copy the code The code is as follows: chdir

7.

National Basic Medical Insurance and Work Injury Insurance Drug Catalog PHP Directory Management Function Summary

Introduction: National Basic Medical Insurance and Work Injury Insurance Drug Catalog: National Basic Medical Insurance and Work Injury Insurance Drug Catalog PHP directory management function summary: chdir: change directory. dir: directory category class. closedir: close the directory handle. opendir: open directory handle. readdir: read directory handle. rewinddir: Reset directory handle. chdir changes directory. Syntax: int chdir(string directory); Return value: Integer Function type: File access Content description This function is used to change the current

8. h5 PHP directory management function library compatible with PHP5

Introduction: h5:h5 PHP directory management function library compatible with PHP5: Main Compatible with: PHP 5 1. chdir -- change directory Syntax: bool chdir (string directory) Return value: integer Function type: file access Content description: Change the current directory of PHP to directory. directory: the new current directory. Return value TRUE if successful, FALSE if failed. Example explanation: Program code

##9. PHP directory management function library compatible with PHP5_PHP tutorial

Introduction: PHP directory management function library compatible with PHP5. Mainly compatible with: PHP5 1. chdir--change directory Syntax: boolchdir(stringdirectory) Return value: Integer Function type: File access Content description: Change the current directory of PHP to director

10. Summary of php directory management functions_PHP tutorial

Introduction: Summary of php directory management functions. chdir: change directory. dir: directory category class. closedir: close the directory handle. opendir: open directory handle. readdir: read directory handle. rewinddir: Reset directory handle.

[Related Q&A recommendations]:

php - In cli mode, the require file reports an error

python - An error occurs when deploying a Django application using uwsgi

python - Supervisor error?

linux - How to avoid escaping when there is \ in the input parameters in the shell script

ngnix+uwsgi+flask deployment project execution uwsgi config .ini error

The above is the detailed content of 10 recommended courses on PHP chdir() function. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
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 Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian Dec 24, 2024 pm 04:42 PM

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

7 PHP Functions I Regret I Didn't Know Before 7 PHP Functions I Regret I Didn't Know Before Nov 13, 2024 am 09:42 AM

If you are an experienced PHP developer, you might have the feeling that you’ve been there and done that already.You have developed a significant number of applications, debugged millions of lines of code, and tweaked a bunch of scripts to achieve op

How To Set Up Visual Studio Code (VS Code) for PHP Development How To Set Up Visual Studio Code (VS Code) for PHP Development Dec 20, 2024 am 11:31 AM

Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c

Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Apr 05, 2025 am 12:04 AM

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

PHP Program to Count Vowels in a String PHP Program to Count Vowels in a String Feb 07, 2025 pm 12:12 PM

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

How do you parse and process HTML/XML in PHP? How do you parse and process HTML/XML in PHP? Feb 07, 2025 am 11:57 AM

This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an

Explain late static binding in PHP (static::). Explain late static binding in PHP (static::). Apr 03, 2025 am 12:04 AM

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

What are PHP magic methods (__construct, __destruct, __call, __get, __set, etc.) and provide use cases? What are PHP magic methods (__construct, __destruct, __call, __get, __set, etc.) and provide use cases? Apr 03, 2025 am 12:03 AM

What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.

See all articles