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run code in 300+ PHP versions simultaneously
<?php class Test {}; $a = new Test(); $b = new Test(); $a->a = 1; var_dump($a); var_dump($b);
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Creation of dynamic property Test::$a is deprecated in /in/W8OF6 on line 8 object(Test)#1 (1) { ["a"]=> int(1) } object(Test)#2 (0) { }
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34
object(Test)#1 (1) { ["a"]=> int(1) } object(Test)#2 (0) { }

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