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run code in 300+ PHP versions simultaneously
<?php echo null == 0? 'true': 'false'; echo 0 == "0"? 'true': 'false'; echo "0" == 0? 'true': 'false'; echo "0" == null? 'true' : 'false'; echo null == "0"? 'true' : 'false'; echo 0 == null? 'true' : 'false'; echo "" == 0? 'true' : 'false'; $test = new stdClass(); echo $test == ""? 'true' : '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
truetruetruefalsefalsetruefalsefalse
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
truetruetruefalsefalsetruetruefalse
preferences:
259.49 ms | 403 KiB | 322 Q