Annotation of embedaddon/php/ext/standard/tests/serialize/serialization_error_002.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test unserialize(): error is indistinguishable from deserialized boolean
3: --FILE--
4: <?php
5: /* Prototype : proto string serialize(mixed variable)
6: * Description: Returns a string representation of variable (which can later be unserialized)
7: * Source code: ext/standard/var.c
8: * Alias to functions:
9: */
10: /* Prototype : proto mixed unserialize(string variable_representation)
11: * Description: Takes a string representation of variable and recreates it
12: * Source code: ext/standard/var.c
13: * Alias to functions:
14: */
15:
16: echo "*** Testing unserialize() error/boolean distinction ***\n";
17:
18: $garbage = "obvious non-serialized data";
19: $serialized_false = serialize(false);
20:
21: var_dump($serialized_false);
22:
23: $deserialized_garbage = unserialize($garbage);
24: var_dump($deserialized_garbage);
25:
26: $deserialized_false = unserialize($serialized_false);
27: var_dump($deserialized_false);
28:
29: echo "unserialize error and deserialized false are identical? " . (bool) ($deserialized_false == $deserialized_garbage) . "\n";
30:
31: // candidate safe idiom for determining whether data is serialized
32: function isSerialized($str) {
33: return ($str == serialize(false) || @unserialize($str) !== false);
34: }
35:
36: // Test unserialize error idiom
37: var_dump(isSerialized($garbage));
38: var_dump(isSerialized($serialized_false));
39:
40: echo "Done";
41: ?>
42: --EXPECTF--
43: *** Testing unserialize() error/boolean distinction ***
44: string(4) "b:0;"
45:
46: Notice: unserialize(): Error at offset 0 of 27 bytes in %s%eserialization_error_002.php on line 20
47: bool(false)
48: bool(false)
49: unserialize error and deserialized false are identical? 1
50: bool(false)
51: bool(true)
52: Done
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