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PATH_INFO: This extension allows PHP to obtain the PATH_INFO information in the URL to facilitate URL routing.
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bt_safe: This extension can help PHP prevent some common security vulnerabilities, such as SQL injection, XSS attacks, etc.
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ionCube: This extension can encrypt PHP code and protect the security of the code.
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fileinfo: This extension allows PHP to obtain the type and format of the file, making it easier to handle file uploads and downloads.
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opcache: This extension can improve the performance of PHP, cache PHP code, and reduce the time of repeated compilation.
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memcache/memcached: These two extensions allow PHP to interact with the memcache/memcached server to implement caching functions.
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redis: This extension allows PHP to interact with the redis server to implement functions such as caching and message queues.
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apcu: This extension can improve the performance of PHP, cache PHP variables, and reduce the time of repeated calculations.
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imagemagick: This extension allows PHP to process images, such as scaling, cropping, rotating, etc.
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xdebug: This extension can help PHP debug and provides some debugging tools and functions.
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imap: This extension allows PHP to interact with the IMAP server to implement email sending and receiving functions.
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exif: This extension allows PHP to obtain the EXIF information of the image, such as shooting time, camera model, etc.
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intl: This extension allows PHP to handle internationalization and localization issues, such as date, time, currency, etc. formatting.
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xsl: This extension allows PHP to process XML and XSLT, enabling the conversion and processing of XML documents.
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Swoole/Swoole4: These two extensions allow PHP to implement asynchronous programming and coroutines, improving PHP's performance and concurrency capabilities.
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geoip: This extension allows PHP to obtain the geographical location information of the IP address, such as country, city, etc.
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yaf: This extension allows PHP to implement the MVC framework to facilitate the development of web applications.
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phalcon: This extension is also an MVC framework, more efficient and flexible than yaf.
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mongodb: This extension allows PHP to interact with the MongoDB database to implement data storage and query functions.
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yac: This extension can improve the performance of PHP, cache PHP variables, and reduce the time of repeated calculations.
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sg11: This extension allows PHP to interact with the Sphinx search engine to implement full-text search functionality.
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pgsql/pdo_pgsql: These two extensions allow PHP to interact with the PostgreSQL database to implement data storage and query functions.
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readline: This extension allows PHP to implement command line interaction and facilitate the development of command line tools.
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snmp: This extension allows PHP to interact with the SNMP protocol to monitor and manage network devices.
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ldap: This extension allows PHP to interact with the LDAP protocol to implement user authentication and directory query functions.
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recode: This extension allows PHP to perform character encoding conversion, such as conversion between UTF-8 and GBK.
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enchant/pspell: These two extensions allow PHP to implement spell checking and automatic error correction functions.
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bz2: This extension allows PHP to handle files in the Bzip2 compression format, such as decompressing and compressing files.
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sysvshm/sysvmsg: These two extensions allow PHP to implement inter-process communication, such as shared memory and message queues.
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gmp: This extension allows PHP to handle large integer operations, such as addition, subtraction, multiplication, division, etc.
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wddx: This extension allows PHP to serialize and deserialize data in WDDX format.
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igbinary: This extension can improve the performance of PHP, cache PHP variables, and reduce the time of repeated calculations.
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zmq: This extension allows PHP to interact with the ZeroMQ message queue to achieve communication and collaboration in distributed systems.
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zstd: This extension allows PHP to handle files in the Zstandard compression format, such as decompressing and compressing files.
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smbclient: This extension allows PHP to interact with the Samba server to implement file sharing and access functions.
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event: This extension allows PHP to implement event-driven programming and improve PHP's performance and concurrency capabilities.
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mailparse: This extension allows PHP to parse emails and extract information such as email headers and body.