--TEST-- SPL: RegexIterator::SPLIT --FILE-- $v) { var_dump($k); var_dump($v); } } } $ar = new ArrayIterator(array('1','1,2','1,2,3','',NULL,array(),'FooBar',',',',,')); $it = new MyRegexIterator($ar, '/,/', RegexIterator::SPLIT); $it->show(); var_dump($ar); ?> ===DONE=== --EXPECTF-- int(1) array(2) { [0]=> string(1) "1" [1]=> string(1) "2" } int(2) array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } int(7) array(2) { [0]=> string(0) "" [1]=> string(0) "" } int(8) array(3) { [0]=> string(0) "" [1]=> string(0) "" [2]=> string(0) "" } object(ArrayIterator)#%d (1) { ["storage":"ArrayIterator":private]=> array(9) { [0]=> %s(1) "1" [1]=> %s(3) "1,2" [2]=> %s(5) "1,2,3" [3]=> %s(0) "" [4]=> NULL [5]=> array(0) { } [6]=> %s(6) "FooBar" [7]=> %s(1) "," [8]=> %s(2) ",," } } ===DONE===