PHP

PHP determines whether the request is an AJAX request. First, how to differentiate the front-end when using jQuery: when jQuery sends an ajax request, it will add an information named X-Requested-With in the request header, the information content

PHP obtains the script running time. Header (content-type: texthtml; charsetutf-8); microtime returns the current Unix timestamp and number of microseconds $ oldtimemicrotime (true); echo the script running time:; $ v0; for ($ i0; header

How to use the Mcrypt extension library for encryption and decryption. Summary: Mcrypt2.4.7 is a powerful extension library of encryption algorithms. It includes 22 algorithms, including the following algorithms: BlowfishRC2Safe overview: mcrypt 2.4.

How to correctly understand the meaning of the PHP program error message. Summary: no matter how careful we are when writing a program, mistakes are always inevitable. These errors often confuse the PHP compiler. If developers cannot understand the

The idea and sample code of using PHP instead of JS to play DOM. The origin of the incident is relatively simple. I need to organize the data on a navigation page and write it into the database. An intuitive method is to analyze html files. the

Php filters ascii control characters. Remember to export data from other websites to xml at work. However, a problem occurs: the webpage has ascII control characters. At first, I thought it was someone else who tried to prevent mining and remember

Use the F method in ThinkPHP to implement quick cache instances. Generally, file caching can meet the requirements, while thinkPHP also provides a fast cache method F for file caching. Because PHP is used to return data, the file cache can meet the

ThinkPHP cache method S () overview. The F method of thinkPHP can only be used to cache simple data types, and does not support validity periods and cache objects. The S () cache method supports the validity period, also known as the dynamic cache

Export excel in PHPExcel. If garbled characters occur during Chinese export, you can convert the string to gb2312. for example, convert $ yourStr from UTF-8 to gb2312: $ yourStrmb_convert_encoding (gb2312, UTF- If garbled characters occur when

PHPAnalysis Chinese word segmentation class details. PHPAnalysis is a widely used Chinese word segmentation class. it adopts reverse matching mode word segmentation, so it is more compatible with coding. the variables and common functions are

PHP advanced programming (1 ). PHP advanced programming learning notes 20140612 an important part of software development is document writing. He can help future program maintenance personnel and users understand your ideas during development. PHP

PHP5.5 differs from empty functions in earlier versions. As one of my favorite functions, today I have finally discovered the devil of this function. I wrote the following code to test everything locally, and then I went to the server to get SB.

PHP implements the safest Singleton mode. As a common design mode, Singleton mode is widely used. So how to design a singleton is the best? We usually write this way, and most examples that can be found on the Internet are used as a common design

Example of using the PHP template engine Twig in the Yii Framework. Twig is a fast, secure, and flexible PHP template engine. it has many built-in filters and tags and supports template inheritance, allowing you to describe your template with the

Solution to phpsmartytruncateUTF8 garbled problem. It is estimated that many of the children playing with the smarty template have encountered cropping garbled characters. Especially UTF-8 encoding. Save the following code as modifier. truncate2.php

PHP combines multiple JS and CSS files based on input parameters. HTML (usage): Copy the code as follows: linkrelstylesheettypetextcsshrefcssmin. php? Getbase, style1, style2, globalv20131023scripttypetextjavascript HTML (usage ): The code is as

CodeIgniter: How to enable and clear the cache. Codeigniter supports the caching technology to achieve the fastest speed. Although CI has been quite efficient, factors such as dynamic content on the webpage, memory CPU of the host, and database read

10 misunderstandings to be avoided in understanding the PHP language. PHP is a very popular open-source server scripting language. most websites you see on the World Wide Web are developed using php. However, you may be surprised to notice that PHP

Codeigniter + PHPExcel to export data to an Excel file. PHPExcel is a PHP class library used to operate OfficeExcel documents. it is based on Microsoft's OpenXML standard and PHP language. You can use it to read and write workbooks of different

How to disable the adatabaseerroccurred error message in Codeigniter. By default, CodeIgniter displays all PHP errors. But when your development program ends, you may want to change this situation. You will find that there is this at the top of the