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run code in 300+ PHP versions simultaneously
<?php $foo = [""=>""]; $bar = (object)$foo; var_dump($bar); $baz = serialize($bar); var_dump($baz); $bar2 = unserialize($baz); var_dump($bar2);
Output for 5.6.21 - 5.6.28, 7.0.6 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(stdClass)#1 (1) { [""]=> string(0) "" } string(33) "O:8:"stdClass":1:{s:0:"";s:0:"";}" object(stdClass)#2 (1) { [""]=> string(0) "" }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.20, 7.0.0 - 7.0.5
object(stdClass)#1 (1) { Notice: Illegal member variable name in /in/7uV45 on line 5 [""]=> string(0) "" } string(33) "O:8:"stdClass":1:{s:0:"";s:0:"";}" object(stdClass)#2 (1) { Notice: Illegal member variable name in /in/7uV45 on line 9 [""]=> string(0) "" }

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