PHP Tutorials

How PHP Gets the header information sent to the user this article mainly introduces the method of PHP to get the header information sent to the user, involving the use of headers_list function in PHP, the need for friends can refer to the following

We often use the sign-in function to reward user points or do some other activities during the development of the website. This project was developed in the process of doing a calendar check-in, because no experience all took a lot of detours,

Githttps://github.com/sea-boat/mysql-protocol Overview Server Status identification. More details: Https://dev.mysql.com/doc/internals/en/status-flags.htmlServerStatus class Package com.seaboat.mysql.protocol.constant;/** * * server status. *

PHP Developer officially released version 5.5, which was developed from last November, after several beta versions. PHP 5.5 contains a series of new features, such as the new Array_column () function and the foreach () loop, which supports scalar

The Intercept, divide, and replace parts of the PHP array in this article will describe the interception of arrays (Array_slice), Array_chunk and substitution (Array_splice), and the difference between Array_slice and Array_splice! In the previous

The PHP strip_tags () function is one of the string functions that removes HTML, XML, and PHP tags from the string. Then return the string after removing the tag, this article collects a few articles about PHP strip_tags () function, hope to

What is the function of PHP string function Stripos ()? The String function Stripos () is the first occurrence of a string in another string, and the function is case-insensitive. It is convenient to use, and its associated function has Strripos

The difficulty of random generation is how to avoid collisions, some people say with md5,guid these mechanisms ah, of course, but as accounts, look at the chaos, and the generation of bits too long. This method only need to solve the concurrent

Shuffle () defines and uses the shuffle () function to rearrange the elements in the array in random order. Returns TRUE if successful, otherwise FALSE is returned. Note: This function assigns the new key name to the cells in the array. This will

When uploading a file, you need to specify the path of the upload file, however, if the face of a large number of users upload different files, it will inevitably have the same name, which will cause file replacement, resulting in the loss of files,

The callback function passes a function as an argument to the called function. If a parameter of type callback is present in the format description of the function, the function is the callback function. Although variable functions can be used to

Query extensions are used to try to relax the range of full-text search results returned. Consider the following scenario. You want to find out all the notes that refer to anvils. Only one comment contains the word anvils, but you also want to find

For e-commerce site users, the most important thing is the security of the account and password, if the account and password is not encrypted processing, will greatly increase the security risks, never let criminals open the way, so now the website

The PHP binary conversion function is as follows: Bindec ()-Binary conversion to decimal decbin ()-Decimal conversion to Binary Dechex ()-Decimal conversion to hexadecimal decoct ()-Decimal conversion to octal Hexdec ()-16 binary to decimal oc Tdec (

This article mainly introduces the dream Dedecms Home navigation bar Currentstyle parameter Invalid substitution method, the Currentstyle parameter invalid will cause the navigation bar cannot highlight, this article has given another kind of

The Define () function defines a constant.define () functions: Defines a constant. Constants is much like variables, except for the following differences: constants [constant] and variables [variable] There are many similarities, so it is easy to

1.PHP Popen How to implement multi-process concurrency execution, the pclose in the loop waits for the process to complete before the next loop 2. Suppose there are 17 processes to open, how to implement 5 processes each time, and each process is

Recent small series in learning the world's most bull frame –laravel. In fact, learning framework is the idea of learning the framework! I would like to record in my blog Some of my experience in the Laravel study, Welcome to my other GitHub blog

"1" first, the applet must be written in eclipse to work properly, this article code is as follows: [Java] view plain copypackage applet; Import javax.swing.*; public class applets extends JApplet {public void init () &am 1. Detailed introduction

Today, let's explain the error control operator in the PHP operator. First, let's look at what the error control operator does. The error control operator, as the name implies, is used to control the error output, which simply masks the error