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run code in 150+ php & hhvm versions
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<?php abstract class Module { private static $mask = '[[[%s]]]'; public static function work($it) { return preg_replace_callback('~\w+~', 'static::replace', $it); } private static function replace($matches) { return sprintf(static::$mask, $matches[0]); } } abstract class Module2 extends Module { private static $mask = '{{{%s}}}'; } echo Module::work('hello world.'), "\n"; echo Module2::work('hello world.');
Output for 7.0.0 - 7.1.0
[[[hello]]] [[[world]]]. Fatal error: Uncaught Error: Cannot access private property Module2::$mask in /in/cHfqn:9 Stack trace: #0 [internal function]: Module::replace(Array) #1 /in/cHfqn(6): preg_replace_callback('~\\w+~', 'static::replace', 'hello world.') #2 /in/cHfqn(19): Module::work('hello world.') #3 {main} thrown in /in/cHfqn on line 9
Process exited with code 255.
Output for 5.3.0 - 5.6.28
[[[hello]]] [[[world]]]. Fatal error: Cannot access private property Module2::$mask in /in/cHfqn on line 9
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC, expecting ')' in /in/cHfqn on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC, expecting ')' in /in/cHfqn on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/cHfqn 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/cHfqn on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cHfqn on line 2
Process exited with code 255.