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run code in 150+ php & hhvm versions
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<?php class Everything { public static function is($newValue) { foreach ($_GLOBALS as $key => &$value) { $value = $newValue; } } } $foo = 'foo'; $bar = 'bar'; Everything::is('awesome'); var_dump($foo, $bar);
Output for 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: _GLOBALS in /in/2mdFq on line 4 Warning: Invalid argument supplied for foreach() in /in/2mdFq on line 4 string(3) "foo" string(3) "bar"
Output for hhvm-3.12.0
string(3) "foo" string(3) "bar"
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5
Warning: Invalid argument supplied for foreach() in /in/2mdFq on line 4 string(3) "foo" string(3) "bar"
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/2mdFq on line 3
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/2mdFq on line 3
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/2mdFq on line 3
Process exited with code 255.