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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface A { public function foo(); } interface B extends A { public function bar(); } interface C { public function exec(A $obj); } class TestB implements B {  public function bar() { echo 'bar';} public function foo() { echo 'foo';} } class Test implements C { public function exec(B $obj) { $obj->foo(); } } $testB = new TestB; $test = new Test; $test->exec($testB);
based on s0aX1
Output for 7.0.0 - 7.1.0
Warning: Unexpected character in input: '' (ASCII=29) state=0 in /in/NlE1f on line 16 Warning: Unexpected character in input: '' (ASCII=29) state=0 in /in/NlE1f on line 16 Fatal error: Declaration of Test::exec(B $obj) must be compatible with C::exec(A $obj) in /in/NlE1f on line 20
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Declaration of Test::exec() must be compatible with that of C::exec() in /in/NlE1f on line 20
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Warning: Unexpected character in input: '' (ASCII=29) state=0 in /in/NlE1f on line 16 Warning: Unexpected character in input: '' (ASCII=29) state=0 in /in/NlE1f on line 16 Fatal error: Declaration of Test::exec() must be compatible with C::exec(A $obj) in /in/NlE1f on line 20
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Warning: Unexpected character in input: '' (ASCII=29) state=0 in /in/NlE1f on line 16 Warning: Unexpected character in input: '' (ASCII=29) state=0 in /in/NlE1f on line 16 Fatal error: Declaration of Test::exec() must be compatible with that of C::exec() in /in/NlE1f on line 20
Process exited with code 255.
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '' (ASCII=29) state=1 in /in/NlE1f on line 16 Warning: Unexpected character in input: '' (ASCII=29) state=1 in /in/NlE1f on line 16 Fatal error: Declaration of Test::exec() must be compatible with that of C::exec() in /in/NlE1f on line 20
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/NlE1f on line 3
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 in /in/NlE1f on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NlE1f on line 3
Process exited with code 255.