3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { function child() { echo Child::$protectedProperty, "\n"; } } class Child extends Base{ protected static $protectedProperty = 'hello'; } $base = new Base; $base->child();
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
hello
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ',', expecting '(' in /in/tZoGU on line 5
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 ',', expecting '(' in /in/tZoGU on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/tZoGU on line 5
Process exited with code 255.
preferences:
89.1 ms | 409 KiB | 5 Q