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run code in 150+ php & hhvm versions
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<?php $name = 'CSBill\UserBundle\Entity\User'; $string = sprintf('O:%d:"%s":0:{}', strlen($name), $name); var_dump(unserialize($string));
Output for 5.0.0 - 5.0.3, 5.3.0 - 7.1.0
object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(29) "CSBill\UserBundle\Entity\User" }
Output for 4.3.11 - 4.4.9, 5.0.4 - 5.2.17
Notice: unserialize(): Error at offset 12 of 41 bytes in /in/Xdmj0 on line 7 bool(false)
Output for 4.3.0 - 4.3.10
object(__PHP_Incomplete_Class)(1) { ["__PHP_Incomplete_Class_Name"]=> string(29) "csbill\userbundle\entity\user" }