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run code in 500+ PHP versions simultaneously
<?php function foo($a, $b) { $fcc = debug_print_backtrace(...); $a++; $fcc(0); } foo(10, 20);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
#0 /in/8qbJF(9): foo(11, 20)
Output for 8.0.0 - 8.0.30
Parse error: syntax error, unexpected token ")" in /in/8qbJF on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected ')' in /in/8qbJF on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/8qbJF on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/8qbJF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting ')' in /in/8qbJF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/8qbJF on line 3
Process exited with code 255.

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