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<?php class A implements Serializable { public function serialize() { return 'foo'; } public function unserialize($data) { } } class B extends A { public function serialize() { return 'bar'; } } var_dump(serialize(new A()));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: A 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/ehUHW on line 3 Deprecated: B 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/ehUHW on line 12 string(15) "C:1:"A":3:{foo}"

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