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run code in 500+ PHP versions simultaneously
<?php $obj = (new ReflectionClass( "SplFileObject" ))->newInstanceWithoutConstructor(); (new ReflectionMethod( "SplFileObject", "fputcsv" ))->invoke( $obj, [] ); echo "Done\n";
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3

Process exited with code 139.
preferences:
58.6 ms | 967 KiB | 4 Q