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run code in 200+ php & hhvm versions
Bugs & Features
<?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 5.4.0 - 7.2.6
string(9) "Object #1" string(9) "Object #1" string(9) "Object #1" string(9) "Object #2"
Output for 5.1.0 - 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 - 4.4.1
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.