3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Iface1 { public function method(self $other); } class A implements Iface1 { public function method(parent $other) {} } $a = new A(); // $a->method(new I2());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Cannot use "parent" when current class scope has no parent in /in/sXSMg on line 9
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Cannot use "parent" when current class scope has no parent in /in/sXSMg on line 9
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Cannot use "parent" when current class scope has no parent in /in/sXSMg on line 9 Fatal error: Could not check compatibility between A::method(parent $other) and Iface1::method(Iface1 $other), because class parent is not available in /in/sXSMg on line 9
Process exited with code 255.
Output for 7.2.19 - 7.2.33, 7.3.6 - 7.3.33
Fatal error: Declaration of A::method(parent $other) must be compatible with Iface1::method(Iface1 $other) in /in/sXSMg on line 8
Process exited with code 255.
Output for 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.18, 7.3.0 - 7.3.5

preferences:
195.61 ms | 402 KiB | 247 Q