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<?php class User{ public $id; function __construct($id) { $this->id = $id; } } class UserStorage extends SPLObjectStorage{ public function getHash($obj){ return strval($obj->id); } } $us = new UserStorage(); $user1 = new User(1); $user2 = new User(2); $us->attach($user1); $us->attach($user2); $me = new User(2); // the following would normally fail since they are two separate objects // but it works now with our extended getHash() var_dump($us->contains($me));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of UserStorage::getHash($obj) should either be compatible with SplObjectStorage::getHash(object $object): string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/V59vj on line 14 bool(true)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
bool(true)
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
bool(false)
Output for 5.0.0 - 5.0.5
<br /> <b>Fatal error</b>: Class 'SPLObjectStorage' not found in <b>/in/V59vj</b> on line <b>13</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/V59vj</b> on line <b>4</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/V59vj</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/V59vj</b> on line <b>4</b><br />
Process exited with code 255.
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262.96 ms | 401 KiB | 344 Q