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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Base { public static function describe() { echo "--> " . ($calculated = "I am a " . get_called_class() . "\n"); static $cached = null; if ($cached === null) { $cached = $calculated; } return $cached; } } class Animal extends Base { public static function describe() { return 'Hello! ' . parent::describe(); } } class Cat extends Animal { } class Dog extends Animal { } echo Cat::describe(); echo Dog::describe(); echo Animal::describe();
Output for 5.3.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.1
--> I am a Cat Hello! I am a Cat --> I am a Dog Hello! I am a Cat --> I am a Animal Hello! I am a Cat
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function get_called_class() in /in/CcrL8 on line 5
Process exited with code 255.
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/CcrL8 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/CcrL8 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/CcrL8 on line 4
Process exited with code 255.