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run code in 300+ PHP versions simultaneously
<?php function gimmeTrue() : true { return true; } var_dump(gimmeTrue());

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
Fatal error: Cannot use 'true' as class name as it is reserved in /in/ZnWmc on line 3
Process exited with code 255.

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