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run code in 300+ PHP versions simultaneously
<?php @strpos(); var_dump($php_errormsg); var_dump($http_response_header);# — HTTP response headers
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 ArgumentCountError: strpos() expects at least 2 arguments, 0 given in /in/qR1k3:2 Stack trace: #0 /in/qR1k3(2): strpos() #1 {main} thrown in /in/qR1k3 on line 2
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.1 - 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: php_errormsg in /in/qR1k3 on line 4 NULL Notice: Undefined variable: http_response_header in /in/qR1k3 on line 5 NULL
Output for 7.3.32 - 7.3.33
NULL NULL
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/qR1k3 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: php_errormsg in /in/qR1k3 on line 4 NULL Notice: Undefined variable: http_response_header in /in/qR1k3 on line 5 NULL

preferences:
290.1 ms | 402 KiB | 383 Q