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<?php namespace Foo; class Bar {} var_dump(serialize(new \Foo\Bar())); var_dump('Foo\\..\\..\\.ssh\\id_rsa'); var_dump(unserialize('O:7:"Foo\\Baz":0:{}')); var_dump(unserialize('O:21:"Foo\\..\\..\\.ssh\\id_rsa":0:{}'));
Output for 8.3.0 - 8.3.6
string(18) "O:7:"Foo\Bar":0:{}" string(21) "Foo\..\..\.ssh\id_rsa" object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(7) "Foo\Baz" } Warning: unserialize(): Error at offset 0 of 33 bytes in /in/9PgAZ on line 10 bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
string(18) "O:7:"Foo\Bar":0:{}" string(21) "Foo\..\..\.ssh\id_rsa" object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(7) "Foo\Baz" } Notice: unserialize(): Error at offset 0 of 33 bytes in /in/9PgAZ on line 10 bool(false)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
string(18) "O:7:"Foo\Bar":0:{}" string(21) "Foo\..\..\.ssh\id_rsa" object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(7) "Foo\Baz" } Notice: unserialize(): Error at offset 10 of 33 bytes in /in/9PgAZ on line 10 bool(false)
Output for 7.3.32 - 7.3.33
string(18) "O:7:"Foo\Bar":0:{}" string(21) "Foo\..\..\.ssh\id_rsa" object(__PHP_Incomplete_Class)#1 (1) { ["__PHP_Incomplete_Class_Name"]=> string(7) "Foo\Baz" } bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/9PgAZ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/9PgAZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9PgAZ on line 3
Process exited with code 255.

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