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A comprehensive PHP full-site anti-injection program _ PHP Tutorial

A comprehensive PHP full-site anti-injection program. This is a comprehensive anti-injection program for php and SQL. in php, it mainly filters get, post, Coke, and files. in SQL, we delete the files, update some query commands. this is a

A modified function that automatically converts URLs and emails. it has powerful functions.

It can be converted to SyntaxHighlighter. all (); Information & nbsp; | & nbsp; Security & nbsp; | & It can be convertedAnd mailAnd start with wwwGood. Function enable_urls ($ str ){$ Str = ereg_replace ("(www. [a-zA-Z0-9 @: % _.~ #-? &] +) "," \

Useful php code for preventing SQL injection vulnerability filtering functions-php Tutorial

Very useful php prevents SQL injection vulnerability filtering function code // PHP full-site anti-injection program, which must be included in the public file require_once // Determine the magic_quotes_gpc

ASP. PHP Anti-Injection vulnerability filter function code

Copy CodeThe code is as follows: PHP Whole station Anti-injection program, need to require_once this file in public fileJudging MAGIC_QUOTES_GPC Statusif (@get_magic_quotes_gpc ()) {$_get = sec ($_get);$_post = sec ($_post);$_cookie = sec

Which expert can help write a regular expression?-php Tutorial

Who can help write a regular expression to replace the url with a hyper-connection, for example, heh www.sina.com.cn Xixi haha & nbsp; after the replacement is: heh & lt; a & nbsp; href & quot; www.sina.com.cn & quot; & gt; www.sina.com.cn & lt; a &

Useful PHP anti-injection vulnerability filtering function code _ PHP Tutorial

A useful PHP anti-injection vulnerability filtering function code. Copy the code as follows :? PHPPHP anti-injection program for the entire site. in the public file, require_once is used to determine the magic_quotes_gpc status. if (@

C # traditional and simplified Interchange

First, reference the miscrosoft. VisualBasic class. Using Microsoft. VisualBasic; Public static string traditional2simplified (string Str){// Convert traditional to simplifiedReturn (Microsoft. VisualBasic. Strings. strconv (STR, Microsoft.

Php is used to operate on strings

Php commonly used string operation functions & lt ;? Php $ str & quot; Iamchinese, Ilovechina & quot; echostrlen ($ str ). & quot; & lt; br & gt; & quot; obtain the length of the string echotrim ($ str ). & quot; & lt; br & gt; & quot; remove null &

SQL Server batch full backup

I. the content involved in this article (Contents) the content involved in this article (Contents) background (Contexts) implementation code (SQLCodes) Implementation Method 1 (One) implementation method 2 (Two) implementation Method 3 (Three)

HTTP protocol Introduction (POST, GET, Content-type)

What is HTTP?The Hypertext Transfer Protocol (hypertext Transfer Protocol-HTTP) is a protocol designed to enable clients and servers to communicate smoothly.The HTTP request method provided by the HTTP/1.1 protocol has options,, POST, PUT, DELETE,

Useful PHP anti-injection vulnerability filtering function code

Copy codeThe Code is as follows:// PHP full-site anti-injection program, which must be included in the public file require_once// Determine the magic_quotes_gpc statusIf (@ get_magic_quotes_gpc ()){$ _ GET = sec ($ _ GET );$ _ POST = sec ($ _ POST );

Algorithm principles and practices (arrays and strings)

Array & StringOutline1. String match for entry question2. Application of HashTable in Array3. String in C/A + +4. Example AnalysisPart 1 Entry QuestionsIn source (parent string), look for whether the target (substring) appears./* Returns The

PHP anti-SQL Injection class, which can filter sensitive parameters

This article summarizes almost all possible PHP anti-SQL Injection code. Determine the XP_CMDSHELL executable status WEB virtual directory discovered Upload ASP, php, and jsp Trojans; Obtain the Administrator permission; // PHP full-site

Query the number of letters in a string (two implementation methods: 1. list and set 2. map set)

Query the number of letters in a string (two implementation methods: 1. list and set 2. map set) Question: The number of times a letter appears in a string. For example: String: "abcde % ^ kka27qoq", output format: a (2) B (1) k (2 )... The first

Use PHP to convert an underscore-delimited string into a camel-named style and capitalize the first letter after the underscore

Use PHP to convert an underscore-delimited string into a camel-named style and capitalize the first letter after the underscore Recent projects using the Symfony framework, this framework for the operation of the database in this team using ORM to

MSSQL SQL Server method for determining string case sharing

Summary:The following is a method of using SQL script to determine how the string is case-sharing, as shown belowLab environment: SQL Server R2Implementation ideas:Converts a string to uppercase or lowercase and then converts to a binary

Useful PHP anti-injection vulnerability filtering function code _ php instance

PHP full-site anti-injection program requires require_once in the public file. Because the website is under severe injection attacks, we recommend that you use The Code is as follows: // PHP full-site anti-injection program, which must be

C # JSON conversion and encoding conversion

C # JSON conversion and encoding conversion I. C # Json Conversion Download and install Newtonsoft. Json. dll and add using Newtonsoft. Json; using Newtonsoft. Json. Converters. Convert String to JSON String json = JsonConvert. SerializeObject (str )

Php Data filtering function and method example, php filter function example

Php Data filtering function and method example, php filter function example1. Basic principles of php Data submission and filtering1) when submitting variables to the database, we must use addslashes () for filtering. For example, we can solve an

Share an encryption algorithm and an encryption algorithm

Share an encryption algorithm and an encryption algorithm What is encryption? Can I eat it?We will share with you today that BASE64, MD5, and AES algorithms are implemented together. However, after encryption, the size will increase and he cannot

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