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PHP Manual

The RecursiveIteratorIterator class

(PHP 5, PHP 7)

简介

Can be used to iterate through recursive iterators.

类摘要

RecursiveIteratorIterator implements OuterIterator {
/* Constants */
const integer LEAVES_ONLY = 0 ;
const integer SELF_FIRST = 1 ;
const integer CHILD_FIRST = 2 ;
const integer CATCH_GET_CHILD = 16 ;
/* 方法 */
public void beginChildren ( void )
public void beginIteration ( void )
public RecursiveIterator callGetChildren ( void )
public bool callHasChildren ( void )
public __construct ( Traversable $iterator [, int $mode = RecursiveIteratorIterator::LEAVES_ONLY [, int $flags = 0 ]] )
public mixed current ( void )
public void endChildren ( void )
public void endIteration ( void )
public int getDepth ( void )
public iterator getInnerIterator ( void )
public mixed getMaxDepth ( void )
public RecursiveIterator getSubIterator ([ int $level ] )
public mixed key ( void )
public void next ( void )
public void nextElement ( void )
public void rewind ( void )
public void setMaxDepth ([ string $max_depth = -1 ] )
public bool valid ( void )
/* 继承的方法 */
public Iterator OuterIterator::getInnerIterator ( void )
}

预定义常量

RecursiveIteratorIterator::LEAVES_ONLY

RecursiveIteratorIterator::SELF_FIRST

RecursiveIteratorIterator::CHILD_FIRST

RecursiveIteratorIterator::CATCH_GET_CHILD

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迭代器
PHP Manual