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run code in 300+ PHP versions simultaneously
<?php $string = "Nabir."; $int = "19"; printf("Hello, my name is %s and I am %i", $string, $int); ?>
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
Fatal error: Uncaught ValueError: Unknown format specifier "i" in /in/lCOWe:4 Stack trace: #0 /in/lCOWe(4): printf('Hello, my name ...', 'Nabir.', '19') #1 {main} thrown in /in/lCOWe on line 4
Process exited with code 255.
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Hello, my name is Nabir. and I am

preferences:
274.34 ms | 404 KiB | 352 Q