Home Backend Development PHP Tutorial 10 recommended articles about the php fread() function

10 recommended articles about the php fread() function

Jun 10, 2017 pm 05:18 PM

The following text: This article mainly introduces the summary of functions related to PHP file read and write operations. This article summarizes the functions of fwrite(), fread(), fgets(), fgetc(), file(), readfile() and other functions. Introduction and usage examples 1. Writing to a file with fwrite() It is easier to save the data in the program to a file. You can use the fwrite() function to write the string content into the file. The newline character is represented by the character sequence \n in the file, indicating the end of a line in the file. Keep this in mind when you need to input or output information one line at a time. Different operating systems have different end symbols. UNIX-based systems use "\n" as the line end character, Windows-based systems use "\r\n" as the line end character, and Macintosh-based systems use "\r" as the line end character. end character. When you are writing to a text file and want to insert a new line, you need to use the line ending symbols of the corresponding operating system. The prototype of the function fwrite() is as follows: The code is as follows: int fwrite(resource h

1. (Advanced) Summary of functions related to PHP file read and write operations

10 recommended articles about the php fread() function

Introduction: This article mainly introduces a summary of functions related to PHP file read and write operations. This article summarizes fwrite(), fread (), fgets(), fgetc(), file(), readfile() and other functions and their usage examples

2. Notes on reading files with php fread

10 recommended articles about the php fread() function

Introduction: The php fread function is used to read a certain length of characters from a file. This article introduces Introducing examples of fread reading files and several points that need to be paid attention to when using this function to read files. Friends in need can refer to it

##3. php implementation of scheduled tasks and Continuous process instance fsockopen

10 recommended articles about the php fread() function

## Introduction: The web server executes a PHP script, and sometimes it takes a long time to return. Execution results, subsequent scripts need to wait for a long time before they can continue to execute. If you want to simply trigger the execution of the time-consuming script without waiting for the execution results, you can do it through the fscokopen function. PHP supports socket programming. , the fscokopen function returns a handle to the remote host connection, and you can perform operations such as fwrite, fgets, fread, etc. on it just like using the handle returned by fopen...

#4.

PHP file reading fread, fgets, fgetc, file_get_contents and file function

Introduction: PHP file reading fread, fgets, fgetc, file_get_contents and file function

5.

Use php to write the binary form of a file

Introduction: xxd filename can display the binary form of a file In the terminal, there is no need to consider the encoding of the file. How to achieve the same function with php? 1. fopen2.fread3.ehco does not work, it cannot display the binary of the text. How can I do it here? ...

6.

About PHP's standard input About Lei Feng's handwritten newspaper About the Spring Festival's handwritten newspaper About the Spring Festival's ancient

Introduction: php, about: About PHP's standard input: I had been using c++ and Python to do the questions before, but suddenly I used PHP to do the questions. After I wrote the method, I found that I couldn't input it. I really screwed myself. (I have no love in my life). . . For the record, I am also a man who can input in PHP (proud face) // Enter in one line and end with a newline $r = fgets(STDIN); //The first 5 characters entered $e = fread(STDIN, 5); // One character $s = fgetc(STDIN); $(function

7.

php method of using text to count visits php timing method php packaging method php system authorizer

Introduction: PHP, method: PHP uses text to count visits: This article describes the example of PHP using text to count visits. Share it with everyone for your reference, as follows: Method 1: $fp = fopen("counter.txt", "r+");while(!flock($fp, LOCK_EX)) { // acquire an exclusive lock// waiting to lock the file}$counter = intval(fread($fp, filesize(

8. Three problems encountered when debugging a PHP program need to be closed when encountering a problem

Introduction: Need to close when encountering a problem: Three problems encountered when debugging a PHP program: 1. The filesize() function returns the wrong value . When using curl to download a page locally, the contents of the downloaded temporary file tmpHtml.txt need to be read into a buffer. Since I use fread() to read, I need to pass in the size to be read. , so first use filesize('./tmpHtml.txt') to get the temporary file size. The weird thing is that the temporary file size obtained is incorrect. Set a breakpoint to debug. After calling filesize(), manually search for the file on the hard disk. , the file size is the same as file

9. What is php file? PHP introductory learning knowledge points six PHP file read and write operation codes

Introduction: What file is php: What file is php? PHP introductory learning knowledge point six PHP file reading and writing operation code: Copy the code The code is as follows:

10. fop Implementation code for PHP to read the content of web page files fopen, curl, etc.

Introduction: fop: fop PHP implementation code for reading web page file content fopen, curl, etc.: 1. fopen implementation code: Copy the code code as follows: < ;?php $handle = fopen ("http://www.example.com/", "rb"); $contents = ""; while (!feof($handle)) { $contents .= fread($handle , 8192); } fclose($handle); ?> Copy the code as follows:

##[Related Q&A recommendations]:

macvim Some configurations are invalid

php reads the file content through fread(). How to solve the problem of garbled Chinese characters?

Asynchronous-php popen function problem

filesystem-Output files in PHP, how to distinguish when to use readfile(), fread( ), file_get_contents(), fgets()?

linux - Problems with executing fread function

The above is the detailed content of 10 recommended articles about the php fread() 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

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

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

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,

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

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

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