3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar { } class Foo extends Bar {} $a = "Foo"; $b = "Bar"; function foo() { return 'Foo'; } var_dump('foo' instanceof $b);
Output for 5.0.0 - 5.0.5, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(false)
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32, 7.2.29 - 7.2.33
Fatal error: instanceof expects an object instance, constant given in /in/D4bmL on line 9
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0
Fatal error: Invalid opcode 138/1/1. in /in/D4bmL on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/D4bmL on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/D4bmL on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/D4bmL on line 9
Process exited with code 255.
preferences:
173.97 ms | 401 KiB | 255 Q