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<?php /** * Defines PHP-related constants for use with Drupal. */ final class Requirements { /** * Minimum supported version of PHP. */ const MINIMUM_PHP = '5.5.9'; /** * Minimum recommended value of PHP memory_limit. * * 64M was chosen as a minimum requirement in order to allow for additional * contributed modules to be installed prior to hitting the limit. However, * 40M is the target for the Standard installation profile. */ const MINIMUM_PHP_MEMORY_LIMIT = '64M'; /** * Minimum recommended version of PHP. * * Sites installing Drupal on PHP versions lower than this will see a warning * message, but Drupal can still be installed. Used for (e.g.) PHP versions * that have reached their EOL or will in the near future. */ const RECOMMENDED_PHP = '7.1'; } if (version_compare(PHP_VERSION, Requirements::MINIMUM_PHP) < 0) { print 'Your PHP installation is too old. Drupal requires at least PHP 5.5.9. See the <a href="https://www.drupal.org/requirements">system requirements</a> page for more information.'; } else { print 'Your PHP installation is just fine.'; }
Output for 5.5.9 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.27, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Your PHP installation is just fine.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Your PHP installation is just fine.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.8
Your PHP installation is too old. Drupal requires at least PHP 5.5.9. See the <a href="https://www.drupal.org/requirements">system requirements</a> page for more information.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/5mS1U on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/5mS1U on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5mS1U on line 6
Process exited with code 255.

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