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run code in 150+ php & hhvm versions
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<?php class db_driver {} $array = "a\"aa"; $encode = (serialize($array)); echo $encode, PHP_EOL; echo base64_encode(gzcompress($encode)), PHP_EOL, PHP_EOL, PHP_EOL; var_dump(unserialize(stripslashes($encode)));
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
s:4:"a"aa"; eJwrtjKxUkpUSkxUsgYAEegC4A== string(4) "a"aa"
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
s:4:"a"aa";PHP_EOLeJwrtjKxUkpUSkxUsgYAEegC4A==PHP_EOLPHP_EOLPHP_EOLstring(4) "a"aa"