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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace Concrete\BetterFoo { use \Concrete\Foo\FooInterface; use \Concrete\Foo\Foo; class BetterFoo extends Foo implements FooInterface {} } namespace Concrete\Foo { class Foo implements FooInterface { public function Derp() {} } interface FooInterface { public function Derp(); } class_alias('\Concrete\Foo\Foo', 'DerpFoo'); } namespace Concrete\Test { use DerpFoo; class Test { public function __construct(Concrete\Foo\FooInterface $foo) {} } $f = new Test(new \Concrete\BetterFoo\BetterFoo); }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Fatal error: Class 'Concrete\Foo\Foo' not found in /in/hWJHi on line 6
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: unknown class Concrete\Foo\Foo in /in/hWJHi on line 6
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/hWJHi on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/hWJHi on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/hWJHi on line 3
Process exited with code 255.