3v4l.org

run code in 300+ PHP versions simultaneously
<?php function __autoload($class_name) { include $class_name . '.php'; } $class = 'Foo..Test'; if ($class instanceof stdClass) print "ok"; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: __autoload() is no longer supported, use spl_autoload_register() instead in /in/2ge6B on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: __autoload() is deprecated, use spl_autoload_register() instead in /in/2ge6B on line 4
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.3.32 - 7.3.33
preferences:
230.31 ms | 402 KiB | 339 Q