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<?php class SerializableDomDocument extends DOMDocument { public function __serialize(): array { return ['xmlData' => $this->saveXML()]; } public function __unserialize(array $data): void { $this->loadXML($data['xmlData']); } } $dom = new SerializableDomDocument('1.0', 'UTF-8'); $dom->loadXML('<tag>value</tag>'); $serialized = serialize($dom); $unserialized = unserialize($serialized); echo "Serialized:\t$serialized\n-----------\nRestored:\t{$unserialized->saveXml()}";
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.25 - 8.1.33, 8.2.12 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Serialized: O:23:"SerializableDomDocument":1:{s:7:"xmlData";s:39:"<?xml version="1.0"?> <tag>value</tag> ";} ----------- Restored: <?xml version="1.0"?> <tag>value</tag>
Output for 8.1.0 - 8.1.24, 8.2.0 - 8.2.11
Fatal error: Uncaught Exception: Serialization of 'SerializableDomDocument' is not allowed in /in/ZU0P3:20 Stack trace: #0 /in/ZU0P3(20): serialize(Object(SerializableDomDocument)) #1 {main} thrown in /in/ZU0P3 on line 20
Process exited with code 255.
preferences:
121.84 ms | 409 KiB | 5 Q