3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface B {} class A implements B {} class C extends A {} $a = new A; $c = new C; var_dump($c instanceof $a); var_dump($a instanceof $b); echo "C:\n"; var_dump($c instanceof C); var_dump($c instanceof A); var_dump($c instanceof B); echo "A:\n"; var_dump($a instanceof C); var_dump($a instanceof A); var_dump($a instanceof B);
Output for 7.0.0 - 7.1.0
bool(true) Notice: Undefined variable: b in /in/agKSC on line 11 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/agKSC:11 Stack trace: #0 {main} thrown in /in/agKSC on line 11
Process exited with code 255.
Output for 5.0.4 - 5.6.28
bool(true) Notice: Undefined variable: b in /in/agKSC on line 11 Fatal error: Class name must be a valid object or a string in /in/agKSC on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.3
bool(true) Notice: Undefined variable: b in /in/agKSC on line 11 Fatal error: Class name must be a valid object or a string in /in/agKSC on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/agKSC on line 4
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/agKSC on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/agKSC on line 4
Process exited with code 255.