When installing php (fastcgi mode), there is often such a command: /usr/local/webserver/php/bin/phpize
1. What does phpize do?
What is phpize? PHP official description:
http://php.net/manual/en/install.pecl.phpize.php
phpize is used to extend php extension modules. Through phpize, you can create php plug-in modules
For example, if you want to add extension modules such as memcached or ImageMagick to the originally compiled PHP, you can use phpize and work through the following steps.
2. How to use phpize?
When php is compiled, there will be a phpize script file in the bin directory of php. Before compiling the extension module you want to add, just execute the following phpize;
For example, if we now want to add the memcache extension module to php: all we have to do is the following steps
——————————————————————
tar zxvf memcache-2.2.5.tgz
cd memcache-2.2.5/
/usr/local/webserver/php/bin/phpize
./configure –with-php-config=/usr/local/webserver/php/bin/php-config
make
make install
——————————————————————
Note that what can be specified after ./configure is the path to the php-config file
The compilation is complete. What still needs to be done is to add the extension value
to the php.ini file.extension = “memcache.so”

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PHPsessionstrackuserdataacrossmultiplepagerequestsusingauniqueIDstoredinacookie.Here'showtomanagethemeffectively:1)Startasessionwithsession_start()andstoredatain$_SESSION.2)RegeneratethesessionIDafterloginwithsession_regenerate_id(true)topreventsessi

In PHP, iterating through session data can be achieved through the following steps: 1. Start the session using session_start(). 2. Iterate through foreach loop through all key-value pairs in the $_SESSION array. 3. When processing complex data structures, use is_array() or is_object() functions and use print_r() to output detailed information. 4. When optimizing traversal, paging can be used to avoid processing large amounts of data at one time. This will help you manage and use PHP session data more efficiently in your actual project.

The session realizes user authentication through the server-side state management mechanism. 1) Session creation and generation of unique IDs, 2) IDs are passed through cookies, 3) Server stores and accesses session data through IDs, 4) User authentication and status management are realized, improving application security and user experience.


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