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@ 2015-07-14T13:05:10Z

<?php

class testClass_forSerialize implements Serializable {
    public function serialize() {
        static $count = 0;
        static $objectHashes = [];
        $ret = new \stdClass();
        $serializedData = serialize($ret);

        $objectHash = spl_object_hash($ret);
        echo "loop $count: ObjectHash $objectHash Received: ".$serializedData."\n";
        if (array_key_exists($objectHash, $objectHashes) == true) {
            echo "Object hash already exists - serialize is going to be sad.\n";
        }

        $objectHashes[$objectHash] = $count;

        if (@unserialize($serializedData) === false) {
            printf(
                "borked, serialize of %s returned %s which could not be unserialized.\n",
                var_export($ret, true),
                $serializedData
            );
            exit(0);
        }

        echo "loop $count: Returning '$serializedData'\n";
        $count++;
        return $serializedData;
    }

    public function unserialize($data) {
        throw new \Exception("not relevant");
    }
}


$list = [];
for ($i=0; $i<2; $i++) {
    $list[] = new \testClass_forSerialize();
}

$ser = serialize($list);

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: testClass_forSerialize 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/9ttkq on line 3 loop 0: ObjectHash 00000000000000030000000000000000 Received: O:8:"stdClass":0:{} loop 0: Returning 'O:8:"stdClass":0:{}' loop 1: ObjectHash 00000000000000040000000000000000 Received: O:8:"stdClass":0:{} loop 1: Returning 'O:8:"stdClass":0:{}'

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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