The RecursiveTreeIterator class

(PHP 5 >= 5.3.0)

Introduction

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

Class synopsis

RecursiveTreeIterator extends RecursiveIteratorIterator implements OuterIterator {

/* Constants */

const integer BYPASS_CURRENT = 4 ;

const integer BYPASS_KEY = 8 ;

const integer PREFIX_LEFT = 0 ;

const integer PREFIX_MID_HAS_NEXT = 1 ;

const integer PREFIX_MID_LAST = 2 ;

const integer PREFIX_END_HAS_NEXT = 3 ;

const integer PREFIX_END_LAST = 4 ;

const integer PREFIX_RIGHT = 5 ;

/* Methods */

public void beginChildren ( void )

public RecursiveIterator beginIteration ( void )

public RecursiveIterator callGetChildren ( void )

public bool callHasChildren ( void )

public __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 void RecursiveIteratorIterator::beginChildren ( void )

public void RecursiveIteratorIterator::beginIteration ( void )

public RecursiveIterator RecursiveIteratorIterator::callGetChildren ( void )

public bool RecursiveIteratorIterator::callHasChildren ( void )

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

public mixed RecursiveIteratorIterator::current ( void )

public void RecursiveIteratorIterator::endChildren ( void )

public void RecursiveIteratorIterator::endIteration ( void )

public int RecursiveIteratorIterator::getDepth ( void )

public iterator RecursiveIteratorIterator::getInnerIterator ( void )

public mixed RecursiveIteratorIterator::getMaxDepth ( void )

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

public mixed RecursiveIteratorIterator::key ( void )

public void RecursiveIteratorIterator::next ( void )

public void RecursiveIteratorIterator::nextElement ( void )

public void RecursiveIteratorIterator::rewind ( void )

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

public bool RecursiveIteratorIterator::valid ( void )

}

Predefined Constants

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

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::setPrefixPart — Set a part of the prefix
RecursiveTreeIterator::valid — Check validity

Коментарии

Feb 13

Автор: matthieu88160


$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



*/