3v4l.org

run code in 300+ PHP versions simultaneously
<?php class base_class { function say_a() { echo "'a' - said the " . __CLASS__ . "<br/>"; } function say_b() { echo "'b' - said the " . get_class($this) . "<br/>"; } } class derived_class extends base_class { function say_a() { parent::say_a(); echo "'a' - said the " . __CLASS__ . "<br/>"; } function say_b() { parent::say_b(); echo "'b' - said the " . get_class($this) . "<br/>"; } } $obj_b = new derived_class(); $obj_b->say_a(); echo "<br/>"; $obj_b->say_b();
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 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
'a' - said the base_class<br/>'a' - said the derived_class<br/><br/>'b' - said the derived_class<br/>'b' - said the derived_class<br/>

preferences:
299.78 ms | 405 KiB | 415 Q