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run code in 150+ php & hhvm versions
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<?php class X extends ArrayObject { public function first() { return $this[0]; } } $array = new X(); $array[] = 'ciao'; $array[] = 'hello'; print_r($array); echo "\n\n"; echo $array->first();
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
X Object ( [storage:ArrayObject:private] => Array ( [0] => ciao [1] => hello ) ) ciao
Output for 5.0.5 - 5.2.17
X Object ( [0] => ciao [1] => hello ) ciao
Output for 5.0.4
X Object ( [0] => ciao [1] => hello ) Notice: Undefined variable: this in /in/tmMaa on line 6
Output for 5.0.0 - 5.0.3
X Object ( [0] => ciao [1] => hello ) Notice: Undefined variable: this in /in/tmMaa on line 6
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/tmMaa 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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/tmMaa on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/tmMaa on line 4
Process exited with code 255.