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run code in 200+ php & hhvm versions
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<?php function test(array $data = array()) { if (!empty($data)) { foreach ($data as $key => $value) { var_dump($key); var_dump($value); } } } test(); test(['aa' => 'zzz']);
based on Foc4v
Output for 5.4.0 - 7.2.0
string(2) "aa" string(3) "zzz"
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/0kMQf on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/0kMQf on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/0kMQf on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/0kMQf on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0kMQf on line 4
Process exited with code 255.