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run code in 300+ PHP versions simultaneously
<?php class baseClass { static function do_get_class() { return get_class(); } static function do_backtrace() { $backtrace = debug_backtrace(); return $backtrace[0]['class']; } } class extendedBaseClass extends baseClass { } echo extendedBaseClass::do_get_class() . PHP_EOL; echo extendedBaseClass::do_backtrace() . PHP_EOL;

preferences:
40.45 ms | 402 KiB | 5 Q