tencent cloud

PHP Version Selection

Currently, SCF supports the following versions of PHP programming language:

• PHP 8.0
• PHP 7.4
• PHP 7.2
• PHP 5.6

You can choose a desired runtime environment when creating a function, such as PHP 8.0, 7.4, 7.2, or 5.6.

Environment Variables

The PHP environment variables built in the current PHP 8.0 and 7.4 runtime environments are as shown in the table below:

The PHP environment variables built in the current PHP 7.2 and 5.6 runtime environments are as shown in the table below:

For more information on environment variables, see Environment Variables.

List of Built-in Extensions

Note：

• For PHP 7.4 and later, the platform no longer has additional built-in dependency libraries. For more information on the dependencies required by code execution, see Dependency Installation.
• If the built-in extensions cannot meet your business requirements, you can install custom extensions as instructed in Dependency Installation.
  You can print and view the installed extensions at any time by using the print_r(get_loaded_extensions()); code.

The currently installed PHP extensions are listed below:

• PHP 8.0、PHP 7.4

  Core runkit7 date libxml openssl pcre sqlite3 zlib bcmath

  calendar ctype curl dom hash fileinfo filter ftp

  gd SPL iconv intl json mbstring session standard

  mysqlnd PDO pdo_mysql pdo_sqlite Phar posix Reflection mysqli

  SimpleXML soap exif tokenizer xml xmlreader xmlwriter runtime

• PHP 7.2

  Core runkit7 date libxml openssl pcre sqlite3 zlib bcmath bz2 calendar ctype

  curl dom hash fileinfo filter ftp gd SPL iconv json

  mbstring session standard mysqlnd PDO pdo_mysql pdo_sqlite Phar posix Reflection

  mysqli SimpleXML soap sockets exif tidy tokenizer xml xmlreader xmlwriter

  zip eio memcached imagick mongodb protobuf redis swoole Zend OPcache runtime

• PHP 5.6

  Core runkit date ereg libxml openssl pcre sqlite3 zlib bcmath bz2 calendar

  ctype curl dom hash fileinfo filter ftp gd SPL iconv

  json mbstring session standard mysqlnd PDO pdo_mysql pdo_sqlite Phar posix

  Reflection mysqli SimpleXML soap sockets exif tidy tokenizer xml xmlreader

  xmlwriter zip eio memcached imagick mongodb protobuf redis Zend OPcache runtime