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HomeBackend DevelopmentPHP Tutorial10 recommended articles about current execution

This article mainly introduces the code for PHP to obtain the name of the currently executing PHP file. Friends in need can refer to the navigation judgment encountered when writing a confession wall today. My solution is this: determine the current PHP file name to determine which part of the navigation bar to highlight. So how does php get the current url file name? This is how I handled it: shock: The first step in the tutorial is to get the URL of the current page. Here we use PHP's $_SERVER['PHP_SELF'] to get the web page address. Assume the URL is http://www.php.cn/ $php_Self= $_SERVER['PHP_SELF']; //Get the web page address //Output result: http://www.php.cn/ After output, we found that we only need index.php, and the previous list of things are useless. How to do it? Here we use the substr() function. substr() is used to return part of the string: substr syntax substr(s

1. 10 recommended articles about php file names

10 recommended articles about current execution

#Introduction: This article mainly introduces the code for PHP to obtain the name of the currently executing php file. Friends who need it can refer to it when I wrote the confession wall today. This is a problem encountered in navigation judgment. My solution is as follows: determine which part of the navigation bar is highlighted. How does PHP get the current url file name? This is how I handle it: shock: The first step in the tutorial is to get the current page URL. Here we use php's $_SERVER['PHP_SELF'] to get the web page address. Assume that the url is...

2. PHP code example to get the name of the currently executing php file

10 recommended articles about current execution

Introduction: This This article mainly introduces the code for PHP to obtain the name of the currently executing php file. Friends who need it can refer to

3. php commonly used $_SERVER

10 recommended articles about current execution

##Introduction: Element/code description $_SERVER['PHP_SELF'] Returns the file name of the currently executing script $_SERVER['GATEWAY_INTERFACE']. Returns the version of the CGI specification used by the server. $_SERVER['SERVER_ADDR'] Returns the IP address of the server where the script is currently running. $_SERVER['SERVER_NAME'] Returns the host name of the server where the script is currently running (such as www.w. ..

4. Get the name of the currently executed file

Introduction: Get the name of the currently executed file

5. How to get system information in parsing php_PHP tutorial

Introduction: How to get system information in parsing php Method. $root = getenv('DOCUMENT_ROOT'); ////Server document root directory $port = getenv('SERVER_PORT'); ////Server port $file = getenv('SCRIPT_NAME'); //// Current execution file $ua = getenv('

##6.

PHP __FILE__Get the absolute path usage of the file_PHP tutorial

Introduction: PHP __FILE__ gets the absolute path usage of the file. PHP constant dirname(__file__) __FILE__: Known as PHP magic constant, returns the complete path and file name of the currently executed PHP script, including an absolute path 1)

# returned by the dirname(__FILE__) function ##7.

The new magic constant __DIR__ in PHP 5.3 PHP tutorial

Introduction: The new magic constant __DIR__ in PHP 5.3. We know that PHP provides a magic constant __FILE__, which is used to point to the currently executing PHP script. But PHP does not directly provide constants for the directory where the script is located. That is to say, like

8.

The new magic constant __DIR__ in PHP5.3 gets the absolute path of the directory of the current file

Introduction: We know that PHP provides a magic constant (magic constant) __FILE__, which is used to point to the currently executing PHP script. But PHP does not directly provide constants for the directory where the script is located. That is to say, if we want to get the directory where the current PHP script is located, we need to use the dirname() function: In PHP5.3, a new constant __DIR__ is added, pointing to the current execution

9. linux php solution

Introduction: linux phplinux How to configure the path behind auto_prepend_file? ------Solution Idea----------------------If you plan to use the absolute path, just fill it in directly. If you plan to use the relative path, This path is relative to the currently executed php program file------Solution idea-------------------

10. PHP __FILE__ gets the absolute path usage of the file

Introduction: PHP __FILE__ gets the absolute path usage of the file. PHP constant dirname(__file__) __FILE__: Known as PHP magic constant, returns the complete path and file name of the currently executed PHP script, including an absolute path 1)

# returned by the dirname(__FILE__) function ##[Related Q&A recommendations]:

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How can you prevent session fixation attacks?How can you prevent session fixation attacks?Apr 28, 2025 am 12:25 AM

Effective methods to prevent session fixed attacks include: 1. Regenerate the session ID after the user logs in; 2. Use a secure session ID generation algorithm; 3. Implement the session timeout mechanism; 4. Encrypt session data using HTTPS. These measures can ensure that the application is indestructible when facing session fixed attacks.

How do you implement sessionless authentication?How do you implement sessionless authentication?Apr 28, 2025 am 12:24 AM

Implementing session-free authentication can be achieved by using JSONWebTokens (JWT), a token-based authentication system where all necessary information is stored in the token without server-side session storage. 1) Use JWT to generate and verify tokens, 2) Ensure that HTTPS is used to prevent tokens from being intercepted, 3) Securely store tokens on the client side, 4) Verify tokens on the server side to prevent tampering, 5) Implement token revocation mechanisms, such as using short-term access tokens and long-term refresh tokens.

What are some common security risks associated with PHP sessions?What are some common security risks associated with PHP sessions?Apr 28, 2025 am 12:24 AM

The security risks of PHP sessions mainly include session hijacking, session fixation, session prediction and session poisoning. 1. Session hijacking can be prevented by using HTTPS and protecting cookies. 2. Session fixation can be avoided by regenerating the session ID before the user logs in. 3. Session prediction needs to ensure the randomness and unpredictability of session IDs. 4. Session poisoning can be prevented by verifying and filtering session data.

How do you destroy a PHP session?How do you destroy a PHP session?Apr 28, 2025 am 12:16 AM

To destroy a PHP session, you need to start the session first, then clear the data and destroy the session file. 1. Use session_start() to start the session. 2. Use session_unset() to clear the session data. 3. Finally, use session_destroy() to destroy the session file to ensure data security and resource release.

How can you change the default session save path in PHP?How can you change the default session save path in PHP?Apr 28, 2025 am 12:12 AM

How to change the default session saving path of PHP? It can be achieved through the following steps: use session_save_path('/var/www/sessions');session_start(); in PHP scripts to set the session saving path. Set session.save_path="/var/www/sessions" in the php.ini file to change the session saving path globally. Use Memcached or Redis to store session data, such as ini_set('session.save_handler','memcached'); ini_set(

How do you modify data stored in a PHP session?How do you modify data stored in a PHP session?Apr 27, 2025 am 12:23 AM

TomodifydatainaPHPsession,startthesessionwithsession_start(),thenuse$_SESSIONtoset,modify,orremovevariables.1)Startthesession.2)Setormodifysessionvariablesusing$_SESSION.3)Removevariableswithunset().4)Clearallvariableswithsession_unset().5)Destroythe

Give an example of storing an array in a PHP session.Give an example of storing an array in a PHP session.Apr 27, 2025 am 12:20 AM

Arrays can be stored in PHP sessions. 1. Start the session and use session_start(). 2. Create an array and store it in $_SESSION. 3. Retrieve the array through $_SESSION. 4. Optimize session data to improve performance.

How does garbage collection work for PHP sessions?How does garbage collection work for PHP sessions?Apr 27, 2025 am 12:19 AM

PHP session garbage collection is triggered through a probability mechanism to clean up expired session data. 1) Set the trigger probability and session life cycle in the configuration file; 2) You can use cron tasks to optimize high-load applications; 3) You need to balance the garbage collection frequency and performance to avoid data loss.

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