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<?php $a = function(){}; var_dump($a); $r = fopen('/tmp/1', 'w'); var_dump($r); var_dump(NULL); var_dump(false); var_dump(0); var_dump(''); var_dump(0.0); var_dump([]); var_dump();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(Closure)#1 (0) { } resource(5) of type (stream) NULL bool(false) int(0) string(0) "" float(0) array(0) { } Fatal error: Uncaught ArgumentCountError: var_dump() expects at least 1 argument, 0 given in /in/Ki3P9:13 Stack trace: #0 /in/Ki3P9(13): var_dump() #1 {main} thrown in /in/Ki3P9 on line 13
Process exited with code 255.
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, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
object(Closure)#1 (0) { } resource(5) of type (stream) NULL bool(false) int(0) string(0) "" float(0) array(0) { } Warning: var_dump() expects at least 1 parameter, 0 given in /in/Ki3P9 on line 13
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/Ki3P9 on line 12
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
Parse error: syntax error, unexpected T_FUNCTION in /in/Ki3P9 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 T_FUNCTION in /in/Ki3P9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Ki3P9 on line 3
Process exited with code 255.

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