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run code in 300+ PHP versions simultaneously
<?php class Orig {}; class Override {}; $instance = new Orig; function test() { global $instance; $newInstance = new Override; $instance=$newInstance; check(); } function check() { global $instance; var_dump($instance); } test();
Output for 8.4.1 - 8.4.2
Fatal error: Cannot redeclare class Override in /in/hjYJo on line 4
Process exited with code 255.
Output for 8.3.0 - 8.3.15
Fatal error: Cannot declare class Override, because the name is already in use in /in/hjYJo on line 4
Process exited with code 255.
Output for 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 - 8.1.31, 8.2.0 - 8.2.27
object(Override)#2 (0) { }

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