[WIP][POC] Serialize undefined declared values as undefined #14
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**This is extremely incomplete, and the bare minimum to serialize and unserialize a single object property.** A real implementation would: - Require an option such as 'explicit_undefined' => true when serializing - Reject arrays, standalone U;, etc. - Support __serialize() and __sleep() - Handle internal classes using undefined properties in serialize() - Add tests that internal classes such as DateTime handle invalid data properly. - Have more tests of edge cases - Fix remaining issues identified by the fuzzer
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This is extremely incomplete, and the bare minimum to serialize and
unserialize a single object property.
A real implementation would: