3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); ini_set('display_errors',1); class foo { private function do_something () { echo('foo'); } public function print_string () { $this->do_something(); } } class bar extends foo { public function do_something () { echo('baz'); } } $b=new bar(); $b->do_something(); $b->print_string(); ?>
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bazfoo

preferences:
112.19 ms | 2084 KiB | 4 Q