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Common security issues and workarounds in PHP development

Common security issues in PHP development and solutions (e.g. SQL injection, CSRF, XSS, CC, etc.) This article mainly introduces the common security problems in PHP development and solutions, in detail, such as SQL injection, CSRF, XSS, CC and other

Addslashes and other ways to clear the blanks are unsafe.

The way to clear whitespace is unsafe, in part because there are a lot of spaces in the characters, such as "The problem with addslashes is that hackers can use 0xbf27 instead of single quotes, and addslashes just modifies 0xbf27 to 0xbf5c27 to

Presentationfontcache.exe A collection of some common functions of PHP

/* Get client IP address */ function GetIP () { if (getenv ("Http_client_ip") && strcasecmp (getenv ("Http_client_ip"), "Unknown")) { $ip = getenv ("Http_client_ip"); } else if (getenv ("Http_x_forwarded_for") && strcasecmp (getenv

Mysql statement injection

For more information about mysql statement injection, see $ SQL & nbsp ;=& nbsp; "select & nbsp; * & nbsp; from & nbsp ;". $ site-& gt; table (& nbsp; "ad" & nbsp ;). "& nbsp; where & nbsp; your age_id = ". $ s [0]. "& nbsp; and & nbsp; cate mysql

PHP Some tool functions introduced

This article is mainly to share with you some PHP tool functions introduced, these are more commonly used tool functions, hope to help everyone. 1. Get millisecond-level timestamps public static function Get_millisecond () { //Gets

PHP using addslashes function to implement SQL anti-injection example

We know that the role of the addslashes () function is to add backslashes before some of the predefined characters in the input string. So how does it relate to our anti-SQL injection? What is SQL injection? SQL injection attacks are the most

Php: html string filter function _ PHP Tutorial

The html string filtering function in php. The custom function code is as follows: functionStripHTML ($ string) {$ patternarray (script [^] *?. *? Scriptsi, style [^] *?. *? Stylesi, [!] *? [^] *? Si, ([rn]) [s] +, (quot | #34); I. A UDF.

Master several common methods of page static

Often said page static is divided into two kinds, one is pseudo-static, that is, url rewriting, one is true static. We take the real static as the main point of speaking. What is PHP static PHP static simple understanding is to make the site

How can I make "KE" see my linked database statements?

How can I avoid "black KE" seeing my linked database statements ?!! The younger brother is learning PHP. basically every page is required. some of them are included in inclue, but those who know PHP network can see the importance of such information

PHP uses the GD library to implement the method of adding text on a picture (code)

This article brings you the content is about PHP using the GD library to implement the image of the method of adding text (code), there is a certain reference value, the need for a friend can refer to, I hope you have some help. We can use the PHP

Common security problems in PHP development and solutions

: This article describes common security issues and solutions in PHP Development. For more information about PHP tutorials, see. Common security problems in PHP development and solutions (such as SQL injection, CSRF, Xss, and CC) This article

Swoole-1.7.22 version released to fix PHP7 problems

Swoole-1.7.22 version has been released, this version is a BUG fix version, specifically for PHP7 made a lot of modifications, can run perfectly in the PHP7 environment swoole-1.7.22 version has been released, this version is a BUG fix version, PHP 7

Addslashes and other ways to clear the blanks are unsafe.

The way to clear whitespace is unsafe, in part because there are a lot of spaces in the characters, such as "The problem with addslashes is that hackers can use 0xbf27 instead of single quotes, and addslashes just modifies 0xbf27 to 0xbf5c27 to

Beckham _redis Learning Goals

Redis Learning GoalsI. The introduction of NoSQLSecond, Redis introductionthird, the application of Redis occasionsIv. Learning goals for RedisI. The introduction of NoSQLNosql (nosql=not only SQL), which means anti-SQL motion, refers to a

Master several common methods of page static

Often said page static is divided into two kinds, one is pseudo-static, that is, url rewriting, one is true static. We take the real static as the main point of speaking.What is PHP staticPHP static simple understanding is to make the site

How can I make "KE" see my linked database statements?

How can I avoid "black KE" seeing my linked database statements ?!! The younger brother is learning PHP. basically every page is required. some of them are included in inclue, but those who know PHP network can see the importance of such information

Master several common methods of static page, master several pages static _php tutorial

Master several common methods of page static, master several pages static Often said page static is divided into two kinds, one is pseudo-static, that is, url rewriting, one is true static. We take the real static as the main point of speaking.What

Mysql statement injection

For more information about mysql statement injection, see $ SQL & nbsp; select & nbsp; * & nbsp; from & nbsp ;. $ site-& gt; table (& nbsp; ad & nbsp ;). & nbsp; where & nbsp; language _ & nbsp; and & nbsp; category. $ s [1]. & nbsp; and mysql

How to do Web interface testing

Tell me about some of the points I have to pay attention to when testing the interface:1, interface return: Data format is consistent with the expected. For example: requires that data be returned in JSON format, the key of the JSON data is named

Kill lui Lei dog thinkphp project----Enterprise Website 28 website The implementation of the left navigation of the foreground

We are modifying the code based on the top-level classification we just found in the model layer:phpnamespace Home\controller; UseThink\controller;classCommoncontrollerextendsController {function__construct () {//inherits the construction method of

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