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<?php class ObjectWithReferences { protected $var1; protected $var2; protected $var3; public function __construct() { $this->var1 = new StdClass(); $this->var2 = null; $this->var3 = $this->var1; } } class WrapperObject implements Serializable { static $tempstorage; protected $obj; public function setObject($obj) { $this->obj = $obj; } public function getObject() { if (is_string($this->obj)) { $this->obj = unserialize($this->obj); } return $this->obj; } public function save() { $archive = (object) [ 'object' => is_string($this->obj) ? $this->obj : serialize($this->obj), ]; static::$tempstorage = json_encode($archive); var_dump("Serialized:", static::$tempstorage); } public function load() { $archive = json_decode(static::$tempstorage); $this->obj = $archive->object; } public function serialize() { $this->save(false); return "wrapper!"; // Doesn't actually matter here. } public function unserialize($serialized) { $this->load(); } } $owr = new ObjectWithReferences(); $wrapper = new WrapperObject(); $wrapper->setObject($owr); $wrapper->save(); $wrapper->load(); var_dump($wrapper->getObject()); $serialized = serialize($wrapper); $wrapper = unserialize($serialized); var_dump($wrapper->getObject());
Output for 8.3.0 - 8.3.6
Deprecated: WrapperObject implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/EcWl3 on line 15 string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:2;}"}" object(ObjectWithReferences)#4 (3) { ["var1":protected]=> object(stdClass)#5 (0) { } ["var2":protected]=> NULL ["var3":protected]=> object(stdClass)#5 (0) { } } string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:3;}"}" Warning: unserialize(): Error at offset 98 of 99 bytes in /in/EcWl3 on line 27 bool(false)
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Deprecated: WrapperObject implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/EcWl3 on line 15 string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:2;}"}" object(ObjectWithReferences)#4 (3) { ["var1":protected]=> object(stdClass)#5 (0) { } ["var2":protected]=> NULL ["var3":protected]=> object(stdClass)#5 (0) { } } string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:3;}"}" Notice: unserialize(): Error at offset 98 of 99 bytes in /in/EcWl3 on line 27 bool(false)
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:2;}"}" object(ObjectWithReferences)#4 (3) { ["var1":protected]=> object(stdClass)#5 (0) { } ["var2":protected]=> NULL ["var3":protected]=> object(stdClass)#5 (0) { } } string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:3;}"}" Notice: unserialize(): Error at offset 98 of 99 bytes in /in/EcWl3 on line 27 bool(false)
Output for 7.3.32 - 7.3.33
string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:2;}"}" object(ObjectWithReferences)#4 (3) { ["var1":protected]=> object(stdClass)#5 (0) { } ["var2":protected]=> NULL ["var3":protected]=> object(stdClass)#5 (0) { } } string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:3;}"}" bool(false)
Output for 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 - 7.1.33, 7.2.0 - 7.2.33
string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:2;}"}" object(ObjectWithReferences)#4 (3) { ["var1":protected]=> object(stdClass)#5 (0) { } ["var2":protected]=> NULL ["var3":protected]=> object(stdClass)#5 (0) { } } string(11) "Serialized:" string(152) "{"object":"O:20:\"ObjectWithReferences\":3:{s:7:\"\u0000*\u0000var1\";O:8:\"stdClass\":0:{}s:7:\"\u0000*\u0000var2\";N;s:7:\"\u0000*\u0000var3\";r:3;}"}" object(ObjectWithReferences)#3 (3) { ["var1":protected]=> object(stdClass)#4 (0) { } ["var2":protected]=> NULL ["var3":protected]=> NULL }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/EcWl3 on line 34
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/EcWl3 on line 34
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/EcWl3 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/EcWl3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/EcWl3 on line 3
Process exited with code 255.

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