3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Classname { protected $property = array( 'root_dir' => dirname(__FILE__) . "/../../" ); }
Output for 7.0.18 - 7.0.33, 7.1.4 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.14, 8.3.0 - 8.3.1
Fatal error: Constant expression contains invalid operations in /in/WqqEb on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.17, 7.1.0 - 7.1.3
Fatal error: Constant expression contains invalid operations in /in/WqqEb on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(', expecting ')' in /in/WqqEb on line 4
Process exited with code 255.
preferences:
375.55 ms | 1395 KiB | 407 Q