PHP

PHPThumb image processing instance. (Github. commasterexploderPHPThumb ). Note that this class library is named phpThumb with the same name as it is case-sensitive, so pay attention to it when searching documents. In the network

The progress bar of XDebug stops at 57%, prompting the solution to the waitingforXDebugsession error. When XDebug is used today, a problem is found. when XDebug is used in Eclipse, the progress bar of XDebug is always stopped at 57%, and the

Install and use sphenders in windows to [support full-text retrieval in Chinese]. A while ago, I tried to use Sphinx, a full-text retrieval system that can be conveniently called by various languages (PHPPythonRubyetc. Most of the information on the

Install memcache in windows. For more information about memcache, see: What is memcached? How to use memcache? (1) to install memcache, you must first download two files. here we will not talk about the introduction of memcache by memca. for readers,

Php prevents XSS attacks and ajax cross-origin attacks. There are many ways to launch XSS attacks on websites. some built-in filter functions in php alone cannot be used. even if you use filter_var, mysql_real_escape_string, htmlentities, htmlspec

The difference between phpsession and cookie. Differences between cookies and sessions in php: 1. cookie data is stored in the client's browser, and session data is stored on the server. 2. cookies are not very secure. others can analyze the

How the smarty template is executed. To enable separation of the business logic and content presentation page of the program, php introduces the template engine concept, the most popular php template engine is smarty, which introduces the template

Whether exit exists after phpheader. After phpheader, do you need to write exit to terminate the program? I didn't care too much about it before. today I encountered a bug and found this problem. I wrote a code segment to test it, code such as php

Delete html tags to obtain labels that can be embedded in plain text. The method is basically from the source code in THinkphp, but I modified it and copied the code as follows :? Php ** @ Description: deletes HTML tags to obtain plain text. The

Mysql connection and basic operation code in php (quick test and use, simple and convenient ). Sometimes php is used to perform some mysql database operation tests. it is too difficult to write on your own. The search results generally contain a lot

A case for comparing a "date" string. There is a function in the project to compare whether the member has expired. the code of the review colleague found that the writing method is odd, but there were no bugs online. The implementation is roughly

PHP traversal of associated arrays. In PHP, arrays are divided into two types: numerical index arrays and associated arrays. The numeric index array is the same as the array in C language. the subscript is 0, 1, 2... The joined array subscript may

The phpapi function is not used to implement an array exchange sorting example. Copy the code as follows: $ arrarray (, 20,-, 3); $ min $ max0; for ($ j0; $ jcount ($ arr); $ j ++) {for ($ i0; $ icount ($ arr)-1; $ I ++) {if ($ arr [$ I] $ arr [$ I +

How to use a command prompt to enter mysql. If the mysql installation path is not on disk C, enter the mysql bin directory, then input mysql-uUSERNAME-pPASSWORD in the command prompt. if the path of mysql installation is in the bin directory of

Some common PHP array functions. Array skills sometimes solve many problems. You can get twice the result with familiarity with related functions. Are you familiar with the following array functions? I. familiarity with array operation basic

Error message about PHPUndefinedindex. When you GET data in the form of $ _ GET [xx], if you do not add a judgment before, $ _ GET [xx] will receive the following warning when it does not exist: PHPNotice: undefinedindexxxx. Although you can GET

PHP traverses the file and folder name in a folder. The opendir () function opendir () opens a directory handle, which can be used by closedir (), readdir (), and rewinddir. If the operation succeeds, the function returns a directory stream;

Json in PHP is completely parsed. JSON (JavaScriptObjectNotation) is a lightweight data exchange format. Easy to read and write. It is also easy to parse and generate machines. It is based on JavaScript Object Notation, which is a lightweight data

The caching mechanism and usage of CodeIgniter. Database cache database cache class allows you to save database query results in text files to reduce database access. Three steps are required to activate the cache: Create a writable database cache

PHP transmits and receives parameters in the function body. In PHP functions, parameter transfer can be divided into value transfer and reference transfer (also known as address transfer. By default, PHP transmits parameters by value. When a value