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<?php class MyIterator extends ArrayIterator {} $a = new ArrayObject(); $a->setIteratorClass('MyIterator'); var_dump($a->getIteratorClass()); var_dump($a->serialize()); var_dump(unserialize(serialize($a))->getIteratorClass());
Output for 7.4.6 - 7.4.14, 8.0.0
string(10) "MyIterator" string(21) "x:i:0;a:0:{};m:a:0:{}" string(10) "MyIterator"
Output for 5.3.0 - 5.3.29, 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 - 7.3.26, 7.4.0 - 7.4.5
string(10) "MyIterator" string(21) "x:i:0;a:0:{};m:a:0:{}" string(13) "ArrayIterator"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
string(10) "MyIterator" Fatal error: Call to undefined method ArrayObject::serialize() in /in/WHMPZ on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined method ArrayObject::setIteratorClass() in /in/WHMPZ on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/WHMPZ on line 9
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_OBJECT_OPERATOR in /in/WHMPZ on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WHMPZ on line 9
Process exited with code 255.