3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-05-16T19:10:09Z

<?php

trait A {                                                                        
    abstract public function foo();                                              
}                                                                                
                                                                                 
class B {                                                                        
    use A; // works                                                              
    public function foo() {}                                                     
}                                                                                
                                                                                 
class C {                                                                        
    use A { A::foo as traitFoo; } // works, provided this:                       
    public function traitFoo() {} // <-- is present                              
    public function foo() {}                                                     
}                                                                                
                                                                                 
class D {                                                                        
    use A { A::foo as traitFoo; } // does not work by itself                     
    public function foo() {}                                                     
}

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Class D contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (D::traitFoo) in /in/Zf9SR on line 18
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive previewkey bindings

124.45 ms | 405 KiB | 5 Q