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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface ValueHost { public function get_value($code=null); } trait Value_has_registers { public function get_value($code=null) { if ($code===null) return parent::get_value(); else return $this->regs[$code]; } } abstract class Value { protected $content; public function get_value() { return $this->content; } } class Value_entity /* (A) */ extends Value /* (A) ends */ implements ValueHost { /* (B) */ use Value_has_registers; /* (B) ends */ /* (C) public function get_value($code=null) { if ($code===null) return parent::get_value(); else return $this->regs[$code]; } (C) ends */ }
Output for 7.0.6 - 7.2.0
Output for 7.0.0 - 7.0.5
Fatal error: Declaration of Value::get_value() must be compatible with ValueHost::get_value($code = NULL) in /in/TcQqM on line 13
Process exited with code 255.
Output for 5.4.8 - 5.6.28
Fatal error: Declaration of Value::get_value() must be compatible with ValueHost::get_value($code = NULL) in /in/TcQqM on line 14
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/TcQqM on line 4
Process exited with code 255.