PHP Tutorials

PHP array length of the method, PHP provides us with two functions to calculate the length of a one-dimensional array, I believe that the function of getting the length of the array is not very clear, today we will take you to learn more about the

For PHP developers, once a product is put into use, the display_errors option should be turned off immediately to avoid hackers being hacked by the path, database connection, data table, and other information that these errors reveal. However, when

This article mainly introduces the PHP implementation of the MD5 combined with the RSA signature algorithm, combined with the example form of PHP using MD5 combined with RSA implementation of the signature algorithm related operation skills, and

Instance Find the first occurrence of "world" in "Hello world!" and return the remainder of the string: Definition and usage The Strstr () function searches for the first occurrence of a string in another string. Note: This function is binary safe.

The following small series for everyone to bring a PHP to the image of the implementation method. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. The

In our previous article, we only introduced how PHP probes are used, and how to use them! So how do we install the PHP probe? Or is it installed under Linux? First of all, learning Linux system is still very interesting things, the following is a

Course Description: 1 loading the Web App resource file 2 Getting Started with cookies 3 Cookie Explanation 4 Cookie Case-user last access time 1 5 Cookie Case-user last access time 2 6 Cookie Case-Products viewed 7 Session Technical

from C + + to PHP has been a long time, has been a bit of code cleanliness, for the file name, interface name, class name, method name, etc. use strict hump naming method, But sometimes you hesitate to use the initial capitalization to

This article mainly introduces the Stdclass usage in PHP, and analyzes the function, principle, use method and related precautions of stdclass in PHP in combination with instance form, and the friends who need can refer to the following The

in PHP, we are not able to implement method overloading directly by signing different methods with the same method name, because PHP is weakData type , the signature cannot be distinguished well. However, you can implement method overloading by

This article mainly introduces the PHP class and object-related system functions and operators, combined with examples to summarize and analyze the PHP class and object operation process commonly used in system functions and operators, the need for

PHP class is a single inheritance, that is, do not support multiple inheritance, when a class requires multiple classes of functionality, inheritance is powerless, and for this reason PHP introduced the class interface technology. The following

as you know, PHP is now the most popular Web application programming language. But as with other scripting languages, PHP also has several very dangerous security vulnerabilities. So in this tutorial, we'll take a look at a few practical tips to

One, what are the thinkphp configuration types? 1. In thinkphp, there are 6 configurations. That is, custom configuration, application configuration, extended configuration, module configuration, scene configuration, dynamic configuration. 2. The

Description: This tutorial all cut off from the experimental building tutorial "16 PHP Design Patterns in detail": The main introduction of 16 common design patterns of basic concepts and technical points, through the UML class diagram to help

PHP class is a single inheritance, that is, do not support multiple inheritance, when a class requires multiple classes of functionality, inheritance is powerless, and for this reason PHP introduced the class interface technology. The following

Multi-Queue network card is a technology, originally used to solve the network IO QoS (quality of service) problem, and later with the network IO bandwidth, the single core CPU can not fully meet the needs of the network card, through the

This article mainly introduces PHP generate a variety of random verification code method, combined with specific examples of the form of PHP commonly used to generate verification code operation related skills, and with the demo source for the

Suppose there is an array: What will the above code output? Above results you can try again locally. We generally use Print_r to print an array (of course with var_dump, but not structurally clear) bool Print_r (mixed $expression [, BOOL $return])

Delete a cookie when a cookie is created, its cookie file is automatically deleted when the browser is closed if it is not set to a valid time. If you want to delete the cookie file saved in the client before closing the browser, there are two ways