La clase RecursiveTreeIterator

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

Introducción

Permite recorrer un RecursiveIterator para generar un árbol gráfico ASCII.

Sinopsis de la clase

class RecursiveTreeIterator extends RecursiveIteratorIterator {

/* Constantes heredadas */

public const int RecursiveIteratorIterator::LEAVES_ONLY ;

public const int RecursiveIteratorIterator::SELF_FIRST ;

public const int RecursiveIteratorIterator::CHILD_FIRST ;

public const int RecursiveIteratorIterator::CATCH_GET_CHILD ;

/* Constantes */

public const int BYPASS_CURRENT ;

public const int BYPASS_KEY ;

public const int PREFIX_LEFT ;

public const int PREFIX_MID_HAS_NEXT = 1;

public const int PREFIX_MID_LAST = 2;

public const int PREFIX_END_HAS_NEXT = 3;

public const int PREFIX_END_LAST = 4;

public const int PREFIX_RIGHT = 5;

/* Métodos */

public function __construct (
RecursiveIterator |IteratorAggregate $iterator,
int $flags = RecursiveTreeIterator::BYPASS_KEY ,
int $cachingIteratorFlags = CachingIterator::CATCH_GET_CHILD ,
int $mode = RecursiveTreeIterator::SELF_FIRST
)

public function beginChildren (): void

public function beginIteration (): RecursiveIterator

public function callGetChildren (): RecursiveIterator

public function callHasChildren (): bool

public function current (): mixed

public function endChildren (): void

public function endIteration (): void

public function getEntry (): string

public function getPostfix (): string

public function getPrefix (): string

public function key (): mixed

public function next (): void

public function nextElement (): void

public function rewind (): void

public function setPostfix (string $postfix): void

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

public function valid (): bool

/* Métodos heredados */

public function RecursiveIteratorIterator::beginChildren (): void

public function RecursiveIteratorIterator::beginIteration (): void

public function RecursiveIteratorIterator::callGetChildren (): ? RecursiveIterator

public function RecursiveIteratorIterator::callHasChildren (): bool

public function RecursiveIteratorIterator::current (): mixed

public function RecursiveIteratorIterator::endChildren (): void

public function RecursiveIteratorIterator::endIteration (): void

public function RecursiveIteratorIterator::getDepth (): int

public function RecursiveIteratorIterator::getInnerIterator (): RecursiveIterator

public function RecursiveIteratorIterator::getMaxDepth (): int |false

public function RecursiveIteratorIterator::getSubIterator (? int $level = null ): ? RecursiveIterator

public function RecursiveIteratorIterator::key (): mixed

public function RecursiveIteratorIterator::next (): void

public function RecursiveIteratorIterator::nextElement (): void

public function RecursiveIteratorIterator::rewind (): void

public function RecursiveIteratorIterator::setMaxDepth (int $maxDepth = -1): void

public function RecursiveIteratorIterator::valid (): bool

}

Constantes predefinidas

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

Tabla de contenidos

RecursiveTreeIterator::beginChildren — Inicio de los hijos
RecursiveTreeIterator::beginIteration — Inicio de la iteración
RecursiveTreeIterator::callGetChildren — Obtener los hijos
RecursiveTreeIterator::callHasChildren — Comprobar si tiene hijos
RecursiveTreeIterator::__construct — Construye un nuevo RecursiveTreeIterator
RecursiveTreeIterator::current — Obtener el elemento actual
RecursiveTreeIterator::endChildren — Final de los hijos
RecursiveTreeIterator::endIteration — Fin de la iteración
RecursiveTreeIterator::getEntry — obtener la entrada actual
RecursiveTreeIterator::getPostfix — Obtiener el postfijo
RecursiveTreeIterator::getPrefix — Obtener el prefijo
RecursiveTreeIterator::key — Obtiene la clave del elemento actual
RecursiveTreeIterator::next — Mover al siguiente elemento
RecursiveTreeIterator::nextElement — Comprueba si hay un siguiente elemento
RecursiveTreeIterator::rewind — Rebobina el iterador
RecursiveTreeIterator::setPostfix — Establece el sufijo
RecursiveTreeIterator::setPrefixPart — Establece la parte de el prefijo
RecursiveTreeIterator::valid — Comprueba la validez

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User Contributed Notes 1 note

down

matthieu88160 ¶

9 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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