Iterators
PHP Manual

The RecursiveTreeIterator class

简介

Allows iterating over a RecursiveIterator to generate an ASCII graphic tree.

类摘要

RecursiveTreeIterator extends RecursiveIteratorIterator implements OuterIterator , Traversable , Iterator {
/* 常量 */
const integer RecursiveTreeIterator::BYPASS_CURRENT = 4 ;
const integer RecursiveTreeIterator::BYPASS_KEY = 8 ;
const integer RecursiveTreeIterator::PREFIX_LEFT = 0 ;
const integer RecursiveTreeIterator::PREFIX_MID_HAS_NEXT = 1 ;
const integer RecursiveTreeIterator::PREFIX_MID_LAST = 2 ;
const integer RecursiveTreeIterator::PREFIX_END_HAS_NEXT = 3 ;
const integer RecursiveTreeIterator::PREFIX_END_LAST = 4 ;
const integer RecursiveTreeIterator::PREFIX_RIGHT = 5 ;
/* 方法 */
public void beginChildren ( void )
public RecursiveIterator beginIteration ( void )
public RecursiveIterator callGetChildren ( void )
public bool callHasChildren ( void )
__construct ( RecursiveIterator|IteratorAggregate $it [, int $flags = RecursiveTreeIterator::BYPASS_KEY [, int $cit_flags = CachingIterator::CATCH_GET_CHILD [, int $mode = RecursiveIteratorIterator::SELF_FIRST ]]] )
public string current ( void )
public void endChildren ( void )
public void endIteration ( void )
public string getEntry ( void )
public void getPostfix ( void )
public string getPrefix ( void )
public string key ( void )
public void next ( void )
public void nextElement ( void )
public void rewind ( void )
public void setPrefixPart ( int $part , string $value )
public bool valid ( void )
/* 继承的方法 */
public void RecursiveIteratorIterator::beginChildren ( void )
public void RecursiveIteratorIterator::beginIteration ( void )
public RecursiveIterator RecursiveIteratorIterator::callGetChildren ( void )
public bool RecursiveIteratorIterator::callHasChildren ( void )
RecursiveIteratorIterator::__construct ( Traversable $iterator [, int $mode = LEAVES_ONLY [, int $flags = 0 ]] )
mixed RecursiveIteratorIterator::current ( void )
public void RecursiveIteratorIterator::endChildren ( void )
public void RecursiveIteratorIterator::endIteration ( void )
int RecursiveIteratorIterator::getDepth ( void )
public iterator RecursiveIteratorIterator::getInnerIterator ( void )
public mixed RecursiveIteratorIterator::getMaxDepth ( void )
RecursiveIterator RecursiveIteratorIterator::getSubIterator ( void )
mixed RecursiveIteratorIterator::key ( void )
void RecursiveIteratorIterator::next ( void )
public void RecursiveIteratorIterator::nextElement ( void )
void RecursiveIteratorIterator::rewind ( void )
public void RecursiveIteratorIterator::setMaxDepth ([ string $max_depth = -1 ] )
bool RecursiveIteratorIterator::valid ( void )
}

预定义常量

RecursiveTreeIterator Node Types

RecursiveTreeIterator::BYPASS_CURRENT

RecursiveTreeIterator::BYPASS_KEY

RecursiveTreeIterator::PREFIX_LEFT

RecursiveTreeIterator::PREFIX_MID_HAS_NEXT

RecursiveTreeIterator::PREFIX_MID_LAST

RecursiveTreeIterator::PREFIX_END_HAS_NEXT

RecursiveTreeIterator::PREFIX_END_LAST

RecursiveTreeIterator::PREFIX_RIGHT

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Iterators
PHP Manual