<?php

unserialize('foo'); // Notice: unserialize(): Error at offset 0 of 3 bytes in php-src/test.php on line 3
unserialize('i:12345678901234567890;'); // Warning: unserialize(): Numerical result out of range in php-src/test.php on line 4
unserialize('E:3:"foo";'); // Warning: unserialize(): Invalid enum name 'foo' (missing colon) in php-src/test.php on line 5
                           // Notice: unserialize(): Error at offset 0 of 10 bytes in php-src/test.php on line 5
unserialize('E:3:"fo:";'); // Warning: unserialize(): Class 'fo' not found in php-src/test.php on line 7
                           // Notice: unserialize(): Error at offset 0 of 10 bytes in php-src/test.php on line 7

try {
    unserialize('O:19:"SplDoublyLinkedList":3:{i:0;i:0;i:1;N;i:2;a:0:{}}');
} catch (UnexpectedValueException $e) {
    echo $e->getMessage(), PHP_EOL; // Incomplete or ill-typed serialization data
}

try {
    unserialize(
        'a:2:{i:12345678901234567890;O:19:"SplDoublyLinkedList":3:{i:0;i:0;i:1;N;i:2;a:0:{}}}'
    ); // Warning: unserialize(): Numerical result out of range in /tmp/php-src/test.php on line 17
       // Notice: unserialize(): Unexpected end of serialized data in /tmp/php-src/test.php on line 17
       // Notice: unserialize(): Error at offset 83 of 84 bytes in /tmp/php-src/test.php on line 17
} catch (UnexpectedValueException $e) {
    echo $e->getMessage(), PHP_EOL; // Incomplete or ill-typed serialization data
}

?>