3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!function_exists('interface_exists')) { die('Days long-since passed.'); } if (interface_exists('Throwable')) { foreach (get_declared_classes() as $cn) { $implements = class_implements($cn); if (isset($implements['Throwable'])) { echo sprintf("Ah yes, the infamous Throwable, '%s'.", $cn); die(); } } echo "We have only heard legends of this so-called 'Throwable'"; } else { echo "What is a 'Throwable'?"; }
Output for 7.0.0 - 7.0.33, 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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14
Ah yes, the infamous Throwable, 'Exception'.
Output for 5.0.2 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
What is a 'Throwable'?
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.1
Days long-since passed.
preferences:
62.22 ms | 408 KiB | 5 Q