1--TEST-- 2SPL: RecursiveIteratorIterator and hasChildren 3--FILE-- 4<?php 5 6class MyRecursiveArrayIterator extends RecursiveArrayIterator 7{ 8 function valid() 9 { 10 if (!parent::valid()) 11 { 12 echo __METHOD__ . " = false\n"; 13 return false; 14 } 15 else 16 { 17 return true; 18 } 19 } 20 21 function getChildren() 22 { 23 echo __METHOD__ . "\n"; 24 return parent::getChildren(); 25 } 26} 27 28class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator 29{ 30 private $max_depth; 31 private $over = 0; 32 private $skip = false; 33 34 function __construct($it, $max_depth) 35 { 36 $this->max_depth = $max_depth; 37 parent::__construct($it); 38 } 39 40 function rewind() 41 { 42 echo __METHOD__ . "\n"; 43 $this->skip = false; 44 parent::rewind(); 45 } 46 47 function valid() 48 { 49 echo __METHOD__ . "\n"; 50 if ($this->skip) 51 { 52 $this->skip = false; 53 $this->next(); 54 } 55 return parent::valid(); 56 } 57 58 function current() 59 { 60 echo __METHOD__ . "\n"; 61 return parent::current(); 62 } 63 64 function key() 65 { 66 echo __METHOD__ . "\n"; 67 return parent::key(); 68 } 69 70 function next() 71 { 72 echo __METHOD__ . "\n"; 73 parent::next(); 74 } 75 76 function callHasChildren() 77 { 78 $this->skip = false; 79 $has = parent::callHasChildren(); 80 $res = $this->getDepth() < $this->max_depth && $has; 81 echo __METHOD__ . "(".$this->getDepth().") = ".($res?"yes":"no")."/".($has?"yes":"no")."\n"; 82 if ($has && !$res) 83 { 84 $this->over++; 85 if ($this->over == 2) { 86 $this->skip = true; 87 } 88 } 89 return $res; 90 } 91 92 function beginChildren() 93 { 94 echo __METHOD__ . "(".$this->getDepth().")\n"; 95 } 96 97 function endChildren() 98 { 99 echo __METHOD__ . "(".$this->getDepth().")\n"; 100 } 101} 102 103foreach(new RecursiveArrayIteratorIterator(new MyRecursiveArrayIterator(array("a", array("ba", array("bba", "bbb"), array(array("bcaa"), array("bcba"))), array("ca"), "d")), 2) as $k=>$v) 104{ 105 if (is_array($v)) $v = join('',$v); 106 echo "$k=>$v\n"; 107} 108?> 109===DONE=== 110<?php exit(0); ?> 111--EXPECT-- 112RecursiveArrayIteratorIterator::rewind 113RecursiveArrayIteratorIterator::callHasChildren(0) = no/no 114RecursiveArrayIteratorIterator::valid 115RecursiveArrayIteratorIterator::current 116RecursiveArrayIteratorIterator::key 1170=>a 118RecursiveArrayIteratorIterator::next 119RecursiveArrayIteratorIterator::callHasChildren(0) = yes/yes 120MyRecursiveArrayIterator::getChildren 121RecursiveArrayIteratorIterator::beginChildren(1) 122RecursiveArrayIteratorIterator::callHasChildren(1) = no/no 123RecursiveArrayIteratorIterator::valid 124RecursiveArrayIteratorIterator::current 125RecursiveArrayIteratorIterator::key 1260=>ba 127RecursiveArrayIteratorIterator::next 128RecursiveArrayIteratorIterator::callHasChildren(1) = yes/yes 129MyRecursiveArrayIterator::getChildren 130RecursiveArrayIteratorIterator::beginChildren(2) 131RecursiveArrayIteratorIterator::callHasChildren(2) = no/no 132RecursiveArrayIteratorIterator::valid 133RecursiveArrayIteratorIterator::current 134RecursiveArrayIteratorIterator::key 1350=>bba 136RecursiveArrayIteratorIterator::next 137RecursiveArrayIteratorIterator::callHasChildren(2) = no/no 138RecursiveArrayIteratorIterator::valid 139RecursiveArrayIteratorIterator::current 140RecursiveArrayIteratorIterator::key 1411=>bbb 142RecursiveArrayIteratorIterator::next 143MyRecursiveArrayIterator::valid = false 144RecursiveArrayIteratorIterator::endChildren(2) 145RecursiveArrayIteratorIterator::callHasChildren(1) = yes/yes 146MyRecursiveArrayIterator::getChildren 147RecursiveArrayIteratorIterator::beginChildren(2) 148RecursiveArrayIteratorIterator::callHasChildren(2) = no/yes 149RecursiveArrayIteratorIterator::valid 150RecursiveArrayIteratorIterator::current 151RecursiveArrayIteratorIterator::key 1520=>bcaa 153RecursiveArrayIteratorIterator::next 154RecursiveArrayIteratorIterator::callHasChildren(2) = no/yes 155RecursiveArrayIteratorIterator::valid 156RecursiveArrayIteratorIterator::next 157MyRecursiveArrayIterator::valid = false 158RecursiveArrayIteratorIterator::endChildren(2) 159MyRecursiveArrayIterator::valid = false 160RecursiveArrayIteratorIterator::endChildren(1) 161RecursiveArrayIteratorIterator::callHasChildren(0) = yes/yes 162MyRecursiveArrayIterator::getChildren 163RecursiveArrayIteratorIterator::beginChildren(1) 164RecursiveArrayIteratorIterator::callHasChildren(1) = no/no 165RecursiveArrayIteratorIterator::current 166RecursiveArrayIteratorIterator::key 1670=>ca 168RecursiveArrayIteratorIterator::next 169MyRecursiveArrayIterator::valid = false 170RecursiveArrayIteratorIterator::endChildren(1) 171RecursiveArrayIteratorIterator::callHasChildren(0) = no/no 172RecursiveArrayIteratorIterator::valid 173RecursiveArrayIteratorIterator::current 174RecursiveArrayIteratorIterator::key 1753=>d 176RecursiveArrayIteratorIterator::next 177MyRecursiveArrayIterator::valid = false 178RecursiveArrayIteratorIterator::valid 179MyRecursiveArrayIterator::valid = false 180===DONE=== 181
