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run code in 300+ PHP versions simultaneously
<?php echo 1256432564;
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.29 - 7.2.33, 7.3.12 - 7.3.28, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
1256432564