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run code in 300+ PHP versions simultaneously
<?php $a = "9O"; $b = 80; echo $a+$b.”39”;
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
Warning: A non-numeric value encountered in /in/UCtk3 on line 9 Fatal error: Uncaught Error: Undefined constant "”39”" in /in/UCtk3:9 Stack trace: #0 {main} thrown in /in/UCtk3 on line 9
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/UCtk3 on line 9 Warning: Use of undefined constant ”39” - assumed '”39”' (this will throw an Error in a future version of PHP) in /in/UCtk3 on line 9 89”39”
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant ”39” - assumed '”39”' (this will throw an Error in a future version of PHP) in /in/UCtk3 on line 9 89”39”
Output for 7.1.0 - 7.1.20
Notice: A non well formed numeric value encountered in /in/UCtk3 on line 9 Notice: Use of undefined constant ”39” - assumed '”39”' in /in/UCtk3 on line 9 89”39”
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Notice: Use of undefined constant ”39” - assumed '”39”' in /in/UCtk3 on line 9 89”39”

preferences:
186.62 ms | 402 KiB | 226 Q