3v4l.org

run code in 150+ php & hhvm versions
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<?php $attachments = 'a:1:{i:0;s:42:"/user_files/est_1023/O.A2173.1399391104.rb";}'; $currentAttachments = unserialize($attachments); foreach ($currentAttachments as $file) { var_dump($file); }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(42) "/user_files/est_1023/O.A2173.1399391104.rb"