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The RecursiveTreeIterator class

(PHP 5 >= 5.3.0, PHP 7)

Introducere

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

Sinopsisul clasei

RecursiveTreeIterator extends RecursiveIteratorIterator implements OuterIterator {

/* Constante moștenite */

const int RecursiveIteratorIterator::LEAVES_ONLY = 0 ;

const int RecursiveIteratorIterator::SELF_FIRST = 1 ;

const int RecursiveIteratorIterator::CHILD_FIRST = 2 ;

const int RecursiveIteratorIterator::CATCH_GET_CHILD = 16 ;

/* Constante */

const int BYPASS_CURRENT = 4 ;

const int BYPASS_KEY = 8 ;

const int PREFIX_LEFT = 0 ;

const int PREFIX_MID_HAS_NEXT = 1 ;

const int PREFIX_MID_LAST = 2 ;

const int PREFIX_END_HAS_NEXT = 3 ;

const int PREFIX_END_LAST = 4 ;

const int PREFIX_RIGHT = 5 ;

/* Metode */

public beginChildren ( ) : void

public beginIteration ( ) : RecursiveIterator

public callGetChildren ( ) : RecursiveIterator

public callHasChildren ( ) : bool

public __construct ( RecursiveIterator|IteratorAggregate $it [, int $flags = RecursiveTreeIterator::BYPASS_KEY [, int $cit_flags = CachingIterator::CATCH_GET_CHILD [, int $mode = RecursiveIteratorIterator::SELF_FIRST ]]] )

public current ( ) : string

public endChildren ( ) : void

public endIteration ( ) : void

public getEntry ( ) : string

public getPostfix ( ) : string

public getPrefix ( ) : string

public key ( ) : string

public next ( ) : void

public nextElement ( ) : void

public rewind ( ) : void

public setPostfix ( string $postfix ) : void

public setPrefixPart ( int $part , string $value ) : void

public valid ( ) : bool

/* Metode moștenite */

public RecursiveIteratorIterator::beginChildren ( ) : void

public RecursiveIteratorIterator::beginIteration ( ) : void

public RecursiveIteratorIterator::callGetChildren ( ) : RecursiveIterator

public RecursiveIteratorIterator::callHasChildren ( ) : bool

public RecursiveIteratorIterator::__construct ( Traversable $iterator [, int $mode = RecursiveIteratorIterator::LEAVES_ONLY [, int $flags = 0 ]] )

public RecursiveIteratorIterator::current ( ) : mixed

public RecursiveIteratorIterator::endChildren ( ) : void

public RecursiveIteratorIterator::endIteration ( ) : void

public RecursiveIteratorIterator::getDepth ( ) : int

public RecursiveIteratorIterator::getInnerIterator ( ) : iterator

public RecursiveIteratorIterator::getMaxDepth ( ) : mixed

public RecursiveIteratorIterator::getSubIterator ([ int $level ] ) : RecursiveIterator

public RecursiveIteratorIterator::key ( ) : mixed

public RecursiveIteratorIterator::next ( ) : void

public RecursiveIteratorIterator::nextElement ( ) : void

public RecursiveIteratorIterator::rewind ( ) : void

public RecursiveIteratorIterator::setMaxDepth ([ int $max_depth = -1 ] ) : void

public RecursiveIteratorIterator::valid ( ) : bool

}

Constante predefinite

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

Cuprins

RecursiveTreeIterator::beginChildren — Begin children
RecursiveTreeIterator::beginIteration — Begin iteration
RecursiveTreeIterator::callGetChildren — Get children
RecursiveTreeIterator::callHasChildren — Has children
RecursiveTreeIterator::__construct — Construct a RecursiveTreeIterator
RecursiveTreeIterator::current — Get current element
RecursiveTreeIterator::endChildren — End children
RecursiveTreeIterator::endIteration — End iteration
RecursiveTreeIterator::getEntry — Get current entry
RecursiveTreeIterator::getPostfix — Get the postfix
RecursiveTreeIterator::getPrefix — Get the prefix
RecursiveTreeIterator::key — Get the key of the current element
RecursiveTreeIterator::next — Move to next element
RecursiveTreeIterator::nextElement — Next element
RecursiveTreeIterator::rewind — Rewind iterator
RecursiveTreeIterator::setPostfix — Set postfix
RecursiveTreeIterator::setPrefixPart — Set a part of the prefix
RecursiveTreeIterator::valid — Check validity

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User Contributed Notes 1 note

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matthieu88160 ¶

7 years 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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