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<?php var_dump(unserialize('O:43:"\Symfony\Component\HttpFoundation\File\File":0:{}'));
Output for 8.3.0 - 8.3.6
Warning: unserialize(): Error at offset 0 of 55 bytes in /in/EAkI1 on line 14 bool(false)
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Notice: unserialize(): Error at offset 0 of 55 bytes in /in/EAkI1 on line 14 bool(false)
Output for 5.0.0 - 5.0.3, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(43) "\Symfony\Component\HttpFoundation\File\File" }
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: unserialize(): Error at offset 6 of 55 bytes in /in/EAkI1 on line 14 bool(false)
Output for 4.3.0 - 4.3.10
object(__PHP_Incomplete_Class)(1) { ["__PHP_Incomplete_Class_Name"]=> string(43) "\symfony\component\httpfoundation\file\file" }

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317.2 ms | 402 KiB | 422 Q