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run code in 300+ PHP versions simultaneously
<?php echo (defined('__DIR__') ? '__DIR__ is defined' : '__DIR__ is NOT defined' . PHP_EOL); echo (defined('__FILE__') ? '__FILE__ is defined' : '__FILE__ is NOT defined' . PHP_EOL); echo (defined('PHP_VERSION') ? 'PHP_VERSION is defined' : 'PHP_VERSION is NOT defined') . PHP_EOL; echo 'PHP Version: ' . PHP_VERSION . PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
__DIR__ is NOT defined __FILE__ is NOT defined PHP_VERSION is defined PHP Version: 8.3.0-dev

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