3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo setlocale(LC_ALL, "tr_TR.UTF-8") . "\n"; foreach (get_declared_classes() as $class) { if (!class_exists($class, false)) { echo "{$class} no longer exists\n"; } }
Output for 7.2.29 - 7.2.33, 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
tr_TR.UTF-8
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 - 7.1.33, 7.2.0 - 7.2.24, 7.3.0 - 7.3.12, 7.4.0
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Warning: Wrong parameter count for class_exists() in /in/E9KWR on line 6 stdClass no longer exists Warning: Wrong parameter count for class_exists() in /in/E9KWR on line 6 __PHP_Incomplete_Class no longer exists Warning: Wrong parameter count for class_exists() in /in/E9KWR on line 6 Directory no longer exists
preferences:
198.87 ms | 402 KiB | 357 Q