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run code in 300+ PHP versions simultaneously
<?php echo "\nFall 1:"; if (0 == true) { echo "TRUE"; } else { echo "false"; } echo "\nFall 2:"; if (0 == "0") { echo "TRUE"; } else { echo "false"; } echo "\nFall 3:"; if (0 == "1") { echo "TRUE"; } else { echo "false"; } echo "\nFall 4:"; if (0 == "") { echo "TRUE"; } else { echo "false"; } echo "\nFall 5:"; if ("abc123" == 123) { echo "TRUE"; } else { echo "false"; } echo "\nFall 6:"; if (456 == "456abc") { echo "TRUE"; } else { echo "false"; } echo "\nFall 7:"; if (0 == "Chuck Norris") { echo "TRUE"; } else { echo "false"; } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fall 1:false Fall 2:TRUE Fall 3:false Fall 4:false Fall 5:false Fall 6:false Fall 7:false
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fall 1:false Fall 2:TRUE Fall 3:false Fall 4:TRUE Fall 5:false Fall 6:TRUE Fall 7:TRUE

preferences:
250.2 ms | 405 KiB | 358 Q