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<?php $badblobs = array( 'x:i:1;O:8:"stdClass":0:{},N;;m:s:40:"1234567890123456789012345678901234567890"', ); foreach($badblobs as $blob) { try { $so = new SplObjectStorage(); $so->unserialize($blob); var_dump($so); } catch(UnexpectedValueException $e) { echo $e->getMessage()."\n"; } }
Output for 5.6.21 - 5.6.28, 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Error at offset 78 of 78 bytes
Output for 5.3.29, 5.4.30 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.20, 7.0.0 - 7.0.5
Error at offset 79 of 78 bytes
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29

Process exited with code 139.
Output for 5.2.2 - 5.2.17
Error at offset 25 of 78 bytes
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.1
Fatal error: Call to undefined method SplObjectStorage::unserialize() in /in/ADUKV on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'SplObjectStorage' not found in /in/ADUKV on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/ADUKV on line 7
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
Parse error: parse error, unexpected '{' in /in/ADUKV on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ADUKV on line 7
Process exited with code 255.

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