PHP mysql_real_escape_string () function anti-SQL injection

PHP MySQL functionsDefinition and usageThe mysql_real_escape_string () function escapes special characters in strings used in SQL statements.The following characters are affected: \x00 \ n \ r \ ‘ " \x1a If

PHP array key values use single and double quotes and unsigned differences

PHP array key values use single and double quotes and unsigned differencesMethod/Step 1The first: $array [' key '] This single quote key value pattern can be parsed directly into an array that is $arrayThe second type: $array ["key"] this double-

The length and performance of various hash algorithms in PHP

The hash results are as followsPHP$data= "Hello World";foreach(Hash_algos () as $v) { $r= Hash ($v,$data,false);

An array merge with the same key values in PHP for merging a field

PHPfunctionCombine$array,$start,$key,$newkey){ Static $new;//Static Variables foreach($array as $k=$v){ if($v[$key]==$start){ $new[$v[$newkey]][] =$v; unset($array[$k]); Continue; } } Sort($array); if(Count($array)!==0) {Combine ($array,

Windows Configuration xhprof,php Performance analysis tool

Would have thought that the configuration of such a tool does not have a lot of strength, behind the discovery is completely not.First, a small episodeThe morning shows that the computer cannot display all the domain names under the virtual

Baidu engineers talk about the implementation principle and performance analysis of PHP functions (2). php Functions

Baidu engineers talk about the implementation principle and performance analysis of PHP functions (2). php Functions Class MethodIts execution principle is the same as that of user functions, and it is also translated into opcodes for sequential

WebService-php-1 (16), webservice-php-16

WebService-php-1 (16), webservice-php-16 Recently I have read a lot of documents about webservice in php. Thanks to the sharing of Yan 18, it helped me build the server. The learning notes are recorded as follows, including the notes of Yan

Zend_Controller_Action of the action base class in the Zend Framework tutorial

Zend_Controller_Action of the action base class in the Zend Framework tutorial This example describes the Zend_Controller_Action base class of the action in the Zend Framework tutorial. We will share this with you for your reference. The details are

Php implementation code for digital operation verification code, php digital operation Verification Code

Php implementation code for digital operation verification code, php digital operation Verification Code The example in this article describes how to implement a digital verification code in php. The specific implementation method is as

Mod_php, FastCGI, PHP-FPM and other PHP Running Mode Comparison

Mod_php, FastCGI, PHP-FPM and other PHP Running Mode Comparison This article mainly introduces mod_php, FastCGI, PHP-FPM and other PHP Running Mode Comparison, this article explains what is PHP processor (PHP handlers) mod_php advantages and

Install memcached extension notes in PHP and phpmemcached Extension

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Install memcached extension notes in PHP and phpmemcached Extension Recently, in the upper Cache System of the server, record how to install the memcached extension in PHP.Copy codeThe Code is as follows:# Install the serverYum install memcached-y I.

Php to convert the color to its reversed method, php to convert the color to its

Php to convert the color to its reversed method, php to convert the color to its This article describes how to convert the color of php to its reversed color. Share it with you for your reference. The specific analysis is as follows: This php code

The crc32 function of php must be used with caution (otherwise it is a pitfall ).

The crc32 function of php must be used with caution (otherwise it is a pitfall ). I wrote a table sharding program a few days ago. The hash algorithm used is crc32. the table sharding function is as follows:Copy codeThe Code is as follows:Function _

Common php image processing class,

Common php image processing class, The common php image processing classes shared in this article are for your reference. The specific content is as follows: types = $ types; $ this-> image = $ this-> imagesources ($ imageaddress ); $ this-> width =

ThinkPHP framework security implementation analysis, thinkphp Framework Implementation

ThinkPHP framework security implementation analysis, thinkphp Framework Implementation The ThinkPHP framework is one of the popular PHP frameworks in China. Although it cannot be compared with those frameworks outside China, it has the advantage

Summary of common PHP skills and summary of php

Summary of common PHP skills and summary of php PHP File Read function // File Read function PHP_Read ($ file_name) {$ fd = fopen ($ file_name, r); while ($ bufline = fgets ($ fd, 4096 )) {$ buf. = $ bufline;} fclose ($ fd); return $ buf ;}?> File

Summary of PHP Development Security issues

Php provides developers with great flexibility, but it also brings potential risks to security issues. we need to summarize the previous problems in the near future, here, I would like to summarize some of my development feelings by translating an

Introduction: Evolution of image server architecture for large websites

Although FastDFS-based independent image server cluster architecture is very mature, due to domestic problems such as "North-South interconnection" and IDC bandwidth costs (images consume traffic very much ), we finally chose the commercial CDN

(Php technology entry) 8 essential PHP function development

Programmers who have developed PHP should be clear that PHP has many built-in functions and can master them to help you better develop PHP, this article will share eight essential PHP functions, all of which are very practical and I hope all PHP

Yaf basic learning summary 4-Yaf configuration file

In the helloyaf in the previous section, we have already touched on the yaf configuration file. Yaf shares a configuration space with the user, that is, the configuration in the configuration file given at the time of Yaf_Application initialization.

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