3v4l.org

run code in 300+ PHP versions simultaneously
<?php define( 'GUTENBERG_VERSION', '11.8.0' ); var_dump( version_compare( GUTENBERG_VERSION, '11.9', '<' ) ); var_dump( version_compare( GUTENBERG_VERSION, '11.8', '<=' ) );

preferences:
53.9 ms | 402 KiB | 5 Q