PHP Tutorials

PHP's father, Rasmus Lerdorf, when he created PHP, was not written in either Greenland or Danish (though he had Greenland and Danish descent), which was very sensible. Although it was written in English for him, it was not easy to write in his

When PHP is disabled PHP function: Tempnam (), Tempnam () can create a temporary file name will not be repeated with the files in the same directory. The return string is the created temporary file name. If an error occurs, pass the go home string.

In actual use For example, the following PHP cannot modify the header information Error warning: Warning:cannot Modify header Information-headers already sent by We've probably had this problem when we started writing PHP programs. From the literal

ForThis time in reading "PHP and MySQL Web development" a book to see Str_replace explanation, a little hint to write: can be used in the array of Str_replace three, but the explanation is relatively simple, so decided to experiment with the

PHP5 as a new version of the support for late binding, but in practice, there are some problems with late binding function, such as you are using an older version of PHP, you may find that there is a lack of support for late binding. What we're

Strpos returns the position of the first occurrence of string A in string B (returns the result as a number) The inverse of the PHP string function is Strrpos returns the last occurrence of string A in string B (returns the result as a

When we upload images on the site, many of them have the need to add watermarks to the images. Let's give you a detailed explanation PHP GD Library Implementation of the relevant code examples of Chinese watermark: ? PHP $ im =

Use the Switch statement to avoid lengthy if. ElseIf. else code block. How the PHP switch statement works: Perform a single calculation on an expression (usually a variable)Compare the value of an expression with the value of a case in the

If it can be used rationally 1:object Code Cache Each time a request occurs, you need to recompile your object code, if you use the cache, then avoid recompiling, so that your script can be executed faster, improve the performance of PHP site. The

Ex-Google + has released an OAuth application programming interface that now provides only user activity and looping data. I've used PHP to easily implement a login system called user authentication via Google + data. Try this almost like a Twitter

PHPAs an open source language, the development of a lot of mature domestic and foreign open source system, enough to meet the individual and enterprise users themselves to establish a Web site, the following is the main introduction of the PHP

In learning , in fact, the most important thing is to suit their own project needs, and not to suit their own habits. For example, an enterprise's propaganda website, the amount of visits is not big, the update amount is not big, with what all the

The Zend framework is a popular PHP development framework that uses the Zend framework to quickly and easily implement common functions. This introduces you to the use of the Zend Framework to create file uploads, which can easily receive, confirm,

Whether you have chosen PHP or not, we can tell that its strengths are far better than weaknesses, based on its performance on price, speed, efficiency, security, platform support, and open source in the table below. The only disadvantage is the

This article is a very quick way to explain how to make a PHP 5.2 environment extension (PHP Extension), in the hope that in a graphic way to let the quick learning of friends to understand the production process. Requirements: For example, to

Many PHP programmers debug using Echo, Print_r (), Var_dump (), printf (), and so on, although this is sufficient for programmers with more extensive development experience, they can often be in the process of program execution, By outputting the

The difference between 755 and 4755 chmod is a command that sets file permissions under Linux, followed by a number that represents the permissions of different users or groups of users. It is usually three digits:The first number indicates the

The function in the code is is_mobile from the Internet and is very well written. The portal file defines the App_path and app_name by judging the terminal type, thus performing different groupings. The effect I want to achieve is that both PC and

After using the wordpress,joomla,drupal,codeignitor,yii,zend, I felt a little tired and wanted to hunt for something fresh and try it, after a contrast, and having a client demanding a very high-level framework, Start using Symfony to develop a Web

Recently in the writing PHP program found some special PHP symbols, such as continuous less than the symbol, three less than the symbol, eot,eod,echo example, print example, and suddenly found that with so long PHP, even PHP basic symbols are not