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run code in 150+ php & hhvm versions
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<?php abstract class AC { /** * @var static */ protected static $_instance; public static function show() { echo get_class(static::$_instance); } public static function init() { static::$_instance = new static(); } } class A extends AC {} class B extends AC {} A::init(); A::show(); B::init(); B::show();
Output for 5.3.0 - 7.1.0
AB
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC, expecting ')' in /in/7NcEk on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC, expecting ')' in /in/7NcEk on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/7NcEk on line 2
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_CLASS in /in/7NcEk on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7NcEk on line 2
Process exited with code 255.