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run code in 300+ PHP versions simultaneously
<?php class logger { function __construct() { print "logger constructing\n"; } function __wakeup() { print "logger wakeup\n"; } function __destruct() { print "logger destruct\n"; } } class obj { var $prop; function __wakeup() { $this->prop = 'awake'; } } $x = 'a:4:{i:0;O:8:"stdClass":1:{i:0;O:6:"logger":0:{}}i:1;O:3:"obj":1:{s:4:"prop";R:2;}i:2;R:3}'; $y = unserialize($x); var_dump($y);

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