Requirements for Running Symfony
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Read the updated version of this page for Symfony 6.3 (the current stable version).
Requirements for Running Symfony
To run Symfony, your system needs to adhere to a list of requirements. You
can easily see if your system passes all requirements by running the
web/config.php in your Symfony distribution. Since the CLI often uses
a different php.ini configuration file, it's also a good idea to check
your requirements from the command line via:
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$ php bin/symfony_requirementsBelow is the list of required and optional requirements.
Required
- PHP needs to be a minimum version of PHP 5.5.9
- JSON needs to be enabled
- ctype needs to be enabled
- Your
php.inineeds to have thedate.timezonesetting
Optional
- You need to have the PHP-XML module installed
- You need to have at least version 2.6.21 of libxml
- PHP tokenizer needs to be enabled
- mbstring functions need to be enabled
- iconv needs to be enabled
- POSIX needs to be enabled (only on *nix)
- Intl needs to be installed with ICU 4+
- APC 3.0.17+ (or another opcode cache needs to be installed)
php.inirecommended settingsshort_open_tag = Offmagic_quotes_gpc = Offregister_globals = Offsession.auto_start = Off
Doctrine
If you want to use Doctrine, you will need to have PDO installed. Additionally, you need to have the PDO driver installed for the database server you want to use.
