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run code in 300+ PHP versions simultaneously
<?php var_dump(function_exists('spl_autoload_register'), function_exists('spl_autoload_extensions'), function_exists('spl_autoload'));
Output for 5.1.0, 8.1.29 - 8.1.33, 8.2.19 - 8.2.29, 8.3.5 - 8.3.25, 8.4.1 - 8.4.12
bool(true) bool(true) bool(true)
Output for 5.0.5
bool(false) bool(false) bool(false)
preferences:
53.37 ms | 406 KiB | 5 Q