PHP Tutorials

How does PHP generate random strings that are readable? This article will share a random generation of readable strings of code, we hope to help. This code creates a readable string that is closer to the word in the dictionary, and is practical

This paper mainly introduces the PHP high accuracy operation BC function library, and analyzes the functions of Bccomp, Bcadd, Bcsub, Bcmod, bcp, Bcmul and so on in the BC function library, and uses the method of high precision mathematical

OSS Object storage is a secure, low-cost, high-reliability cloud storage Service, this paper takes the image upload and seven Qiniu storage as an example to realize the OSS storage function. PHP Seven Cow cloud installation Installing with composer

If you want to be an excellent programmer, good code is important, how can you write good code? In this article we will give you some PHP coding specifications and recommendations. Coding specifications PHP code files must start with the

This paper mainly introduces the implementation of PHP two-dimensional array to remove duplicates of the method, combined with examples of PHP to retain the various keys to remove duplicates of the relevant operation skills, the need for friends can

In programming, many times we need to make a Boolean decision about the variable. But sometimes the result of the procedure is different from what we expected, today we will test the situation of PHP in various situations. How to tell if a variable

PHP substr is a functional function that is developed based on the PHP language that can return a part of a string. Sometimes we use PHP substr will appear some garbled problem, then how to solve it? String substr (string $string, int $start [, int

Pod extension is added in PHP5, which provides PHP built-in class PDO to access the database, different databases use the same method name, to solve the problem of non-uniform database connection. The following article is mainly about PHP using PDO

When it comes to PHP code reuse, we may think of inheritance the first time, but once the single-inheritance language derives too many subclasses, it creates a series of problems, such as dependency on the parent class, too much coupling, and the

Simple PHP Message Board production To do the basic message board function requires three sheets: Employee table, message form, friend table First create a login page: Account: Password: ： Not much, no problem. Then, to write the

Today, I found a small usage of the PHP ternary operator. It gives me a little fun with the dry brain! The PHP ternary operator is a concise primary use when assigning values to a parameter. A major usage: the PHP ternary operator allows you to

The SMTP (Simple Mail Transfer Protocol) is simply the message Transfer Protocol, which is a set of rules for sending mail from the source address to the destination, and it controls the way the letters are relayed. The SMTP protocol is a TCP/IP

Floating point number in the conversion process will have errors, so the floating-point number can not directly compare its size, generally in comparison with two floating-point number is compared between their difference, if the difference between

Magic Constants1. LineReturns the current line number in the file.2. FILEReturns the full path and file name of the file. If used in the include file, the include filename is returned. Since PHP 4.0.2, FILE always contains an absolute path, and the

This article mainly introduces the PHP generated zip file class, example analysis of PHP operation zip file skills, very practical value, the need for friends can refer to the next This example describes the PHP generated zip file class. Share to

PHP character escaping correlation function summary, sometimes for security reasons, we need to escape the user input string There are incorrect or unclear points in the article, please point out the problem ~ ~ ~The configuration and functions

This article mainly introduces the PHP object-oriented programming and other constant usage, is a very important concept of PHP object-oriented programming, for PHP beginners are necessary to be firmly mastered, the need for friends can refer to the

The file extension (filename extension), also known as the suffix name of a file, is a mechanism used by the operating system to flag file types. Typically, an extension is followed by the main file name, separated by a delimiter. In a file name

As we all know, in computer science, the shell resembles a DOS command.com. It receives the user command and then invokes the appropriate application. And it's also a programming language. As a command language, it interactively interprets and

The loop structure in PHP has roughly a for loop, while loop, do{} while loop, and several foreach loops, regardless of the loop, there are several ways to jump out of a loop in PHP: Code: "; } $i + +;} Exit;echo "not output here";? > Results: