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run code in 300+ PHP versions simultaneously
<?php class myClass { public function add() : self { /** code **/ return "adad"; } } class myExtendedClass extends myClass { public function add() : parent { return new myExtendedClass(); } } $instance = new myExtendedClass(); $instance->add();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.23
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/O2HdE on line 5
Process exited with code 255.
preferences:
201.61 ms | 402 KiB | 221 Q