1--TEST-- 2SPL: RecursiveIteratorIterator and beginChildren/endChildren 3--FILE-- 4<?php 5 6class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator 7{ 8 function rewind() 9 { 10 echo "<ul>\n"; 11 parent::rewind(); 12 } 13 function beginChildren() 14 { 15 echo str_repeat(' ',$this->getDepth())."<ul>\n"; 16 } 17 18 function endChildren() 19 { 20 echo str_repeat(' ',$this->getDepth())."</ul>\n"; 21 } 22 function valid() 23 { 24 if (!parent::valid()) { 25 echo "<ul>\n"; 26 return false; 27 } 28 return true; 29 } 30} 31 32$arr = array("a", array("ba", array("bba", "bbb"), array(array("bcaa"))), array("ca"), "d"); 33$obj = new RecursiveArrayIterator($arr); 34$rit = new RecursiveArrayIteratorIterator($obj); 35foreach($rit as $k=>$v) 36{ 37 echo str_repeat(' ',$rit->getDepth()+1)."$k=>$v\n"; 38} 39?> 40===DONE=== 41<?php exit(0); ?> 42--EXPECTF-- 43<ul> 44 0=>a 45 <ul> 46 0=>ba 47 <ul> 48 0=>bba 49 1=>bbb 50 </ul> 51 <ul> 52 <ul> 53 0=>bcaa 54 </ul> 55 </ul> 56 </ul> 57 <ul> 58 0=>ca 59 </ul> 60 3=>d 61<ul> 62===DONE=== 63