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<?php class IdObjectStorage extends SplObjectStorage { public function getHash($object) { return (string) $object->id; } } $storage = new IdObjectStorage(); $array = []; $object1 = new stdClass(); $object1->id = 1; $object1->value = 'Object #1'; $storage->attach($object1); $array[$object1->id] = $object1; foreach($storage as $x) var_dump($x->value); // Object #1 foreach($array as $x) var_dump($x->value); // Object #1 $object2 = new stdClass(); $object2->id = 1; $object2->value = 'Object #2'; $array[$object2->id] = $object2; $storage->attach($object2); foreach($storage as $x) var_dump($x->value); // Object #1 foreach($array as $x) var_dump($x->value); // Object #2
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of IdObjectStorage::getHash($object) should either be compatible with SplObjectStorage::getHash(object $object): string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/i1v7q on line 4 string(9) "Object #1" string(9) "Object #1" string(9) "Object #1" string(9) "Object #2"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(9) "Object #1" string(9) "Object #1" string(9) "Object #1" string(9) "Object #2"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/i1v7q on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/i1v7q on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/i1v7q on line 4
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/i1v7q on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/i1v7q on line 4
Process exited with code 255.
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