Forum PHP 2017

کلاس RecursiveTreeIterator

Introduction

امکان تکرار بر RecursiveIterator برای تولید درخت گرافیک ASCII را فراهم می‌کند.

Class synopsis

RecursiveTreeIterator extends RecursiveIteratorIterator implements OuterIterator , Traversable , Iterator {
/* Constants */
/* Methods */
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 )
/* Inherited methods */
public RecursiveIterator RecursiveIteratorIterator::callGetChildren ( void )
RecursiveIteratorIterator::__construct ( Traversable $iterator [, int $mode = LEAVES_ONLY [, int $flags = 0 ]] )
RecursiveIterator RecursiveIteratorIterator::getSubIterator ( void )
public void RecursiveIteratorIterator::setMaxDepth ([ string $max_depth = -1 ] )
}

Predefined Constants

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

Table of Contents

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User Contributed Notes 1 note

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matthieu88160
4 months ago
$it = new RecursiveArrayIterator(array(1, 2, array(3, 4, array(5, 6, 7), 8), 9, 10));
$tit = new RecursiveTreeIterator($it);

foreach( $tit as $key => $value ){
    echo $value . PHP_EOL;
}

/* Will output

|-1
|-2
|-Array
| |-3
| |-4
| |-Array
| | |-5
| | |-6
| | \-7
| \-8
|-9
\-10

*/
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