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run code in 300+ PHP versions simultaneously
<?php $s = "f=q"; $s = parse_str($s); var_dump($s);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ArgumentCountError: parse_str() expects exactly 2 arguments, 1 given in /in/vEMcS:5 Stack trace: #0 /in/vEMcS(5): parse_str('f=q') #1 {main} thrown in /in/vEMcS on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught ArgumentCountError: parse_str() expects exactly 2 arguments, 1 given in /in/vEMcS:5 Stack trace: #0 /in/vEMcS(5): parse_str('f=q') #1 {main} thrown in /in/vEMcS on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/vEMcS on line 5 NULL
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.3.32 - 7.3.33
NULL

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