PHP Tutorials

A face question that makes a person egg ache Yesterday saw two interview questions, there are two, the first many people have to answer, the second way but few people answer. I am learning php myself recently, so this article is based on PHP to

PHP implements a class-free recursive classification (thinkphp framework) /** * Class recursive class * @param int $assortPid The delimiter between the parent id* @param mixed $tag Hierarchy of categories to query for classification * @return Strin

Algorithm collection of interview questions There is a string, a, B, to extract the characters contained in the AB string, for example: ①a= "Hello", b= "Jeesite", then Output "E", ②a= "common", b= "month", Output "MnO", the order of output

A simple PHP online bookmark system 1. Demand Analysis first, each user needs to be identified. There should be a validation mechanism. Second, you need to save a single user's bookmarks. Users should be able to add and remove bookmarks. Again,

Thinkphp using the Getting Started instance Now, the domestic PHP framework thinkphp is still relatively hot, all now we simply use the thinkphp to operate a bit. I did a simple login operation, meaning: to implement the login function, but not

An interesting question about the PHP destructor With the universal deployment of object-oriented programming, object-oriented shows many interesting problems. It is believed that many beginners will be exposed to two of functions, constructors and

A two-dimensional array sorting problem in PHP PHP in two-dimensional array ordering, you can use the PHP built-in function Uasort () "Use a user-defined comparison function to sort the values in the array and keep the index associated" The

Include and require in PHP One, what is the use? Server side contains (Server Side Include,ssi) is used to create functions, headers, footers, or elements that can be reused on multiple pages. The Include file reuses the file and saves a lot

Pecl easy to install PHP extensions When building a PHP environment, we usually do not install all the extensions, and as the requirements continue to increase, you may need to install new extensions, and here is an easy way to install them. Here

PHP performance Optimization (i) Stress testing tools AB use Apache附带的压力测试工具ab，非常容易使用，并且完全可以摸你各种条件对Web服务器发起测试请求。ab可以直接在Web服务器本地发起测试请求，这对于需要了解服务器的处理性能至关重要，因为它不包括数据的网络传输时间以及用户PC本地的计算时间。。 To perform 1000 connection, 20 times concurrent (parallel,

Strtotime function A very strange question. Var_dump (Strtotime (' 1441185010 '));output bool (FALSE)Var_dump (Strtotime (' 1451382400 '));Output int (13591003898) It's strange, why are the two results different? ------to solve the idea-----------

How to modify PHP upload file size limit How to modify PHP upload file size limit1. general file upload, unless the file is small. Like a 5M file, it's likely to take more than a minute to upload.In PHP, however, the default maximum execution time

REDIRECT jumps to the Web site's external chain In the Emlog comment function, the message person can fill in the website address. But there are times when we don't want to have too many cluttered external links on our site. Of course, we can add

Laravel Installation Record System environment: ubuntu-14.10-server-i386 (+) LAMP system default installation According to: http://laravel.com/docs/5.1 official documentation, ready to install via Composer 1, install Composer. Reference:

PHP Internal (PHP Architecture and Principles) I. Preface-How the backend handles a index.php dynamic request. Many companies use LNMP environment as the basic software environment, with PHP can do rapid development. Below is a brief description

Simple interaction between Android client and PHP service The simple interaction between the Android client and the Php+mysql+apache build allows the log information to be stored. The realization principle is that the Android client sends the

A Redis usage bug record (EXEC) In one project, the blogger used the Redis class in the tool class because the Redis did not encapsulate the pipeline pipeline and EXEC commands, so pen a __call. The code is as follows (where $this->_connect ()

PHP uses recursive functions to achieve infinite class classification I believe many of PHP's many small partners will try to do an online mall as a way to upgrade their own technology. All kinds of product classification, product name and other

Summary of Php:empty,isset,is_null,array (0), array (), Array (""), 0, "0", "", "null", NULL Use the following procedure to detect $a =0;if (empty ($a)) {echo "yes|";} Else{echo "no|";} if (Isset ($a)) {echo "yes|";} Else{echo "no|";} if (Is_null (

Configuring Phpredis extensions under Mac Recently, the development environment has been transferred from Windows to the Mac, and all the environments have to be reconfigured. Because the Mac is not familiar with UNIX-based systems, it encounters a