Php uses escapeshellarg to filter Chinese characters,
This article analyzes the solutions for filtering Chinese characters when php uses escapeshellarg. Share it with you for your reference. The details are as follows:
I. Problems:
The same Code
This paper analyzes the solution of the Chinese filtering in PHP when using Escapeshellarg. Share to everyone for your reference. Specifically as follows:
First, the question:
The same code, found through localhost/index.php access, and in the
The importance of focusing on security issues is far from all that prevents users from maliciously damaging your program. The most effective but often overlooked method is to consider its possibility when writing code. It is important to pay
The importance of focusing on security issues is far from all that prevents users from maliciously damaging your program. The most effective but often overlooked method is to consider its possibility when writing code. It is important to pay
Focus on the importance of security issues
See is far from all
The most effective and often overlooked way to prevent users from maliciously destroying your program is to consider its likelihood when writing code. It is important to keep an eye on
PHP security and related. read about PHP security and related topics, the importance of focusing on security issues is far from all that prevents users from maliciously damaging your program. The most effective but often overlooked method is to
Add a record for the operations in the queue of the Geography Institute: make various functions into sub-menus. The general idea is as follows :.. /csm/conf. configure all the operation commands in php: // Commandtohandlethequeueopration $
PHP security (2)
PHP security (2)Original: John Coggeshall 08/28/2003Original article: http://www.onlamp.com/pub/a/php/2003/08/28/php_foundations.htmlWelcome back to PhP foundations. In my previous article, I introduced
Add a record for the operations on the physical server Queue:
Make the functions into sub-menus. The general idea is as follows:
../Csm/conf. php:
// Command to handle the queue opration
$ Execute_to_reconfig = $ shell_cgi. "". escapeshellarg ("$
There is a small problem when using curl to simulate uploads, so write it down: set up forms in curl, including files uploaded online a lot of it.
$post _data = Array (
"file" => "@". "Path where the file is located"
);
$ch = Curl_init
Mime_content_type: the MIME type of the specified object is returned,Usage: The code is as follows:Copy code Echo mime_content_type ('php.gif '). "n ";Echo mime_content_type ('test. Php '); Output:Image/gifText/plainHowever, this function will
Php accurately obtains the object MIME type
This example describes how php can accurately obtain the object MIME type. Share it with you for your reference. The specific implementation method is as follows:
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PHP Related configuration View PHP configuration file location/usr/local/php/bin/php -i|grep -i "loaded configuration file"Loaded Configuration File => /usr/local/php/etc/php.iniWithout php.ini, then you need to copy the template.cd
11.28 restricting a directory from parsing PHPAccess Control-Disable PHP parsing php_admin_flag engine offCurl test directly back to PHP source code, did not parseOperation Process[Email protected] ~]#
PHP//Resource Limits Name default modifiable range update log//memory_limit "128M" Php_ini_all "8M" before PHP 5.2.0, "16M" in PHP 5.2.0//echo Memory_get_peak_usage ();//Returns the peak//echo "" Assigned to PHP memory;//echo memory_get_usage
11.28 restricting a directory from parsing PHPCore configuration file ContentsPhp_admin_flag engine offCurl test directly returned the PHP source code, did not parseCurl-x127.0.0.1:80 ' http://123.com/upload/123.php '11.29 Limit User_agentUser_agent
See where PHP configuration files are located虽然PHP是以httpd一个模块的形式存在的,但是PHP本身也有自己的配置文件。查看PHP配置文件所在位置的命令为:[[email protected] ~]# /usr/local/php/bin/php -i | grep -i "Loaded Configuration file"PHP Warning: Unknown: It is not safe to rely on the
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