PHP 7.4.25 Released!

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 implements OuterIterator {
/* Constantaes heredadas constants */
/* Constantes */
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;
/* Métodos */
public beginChildren(): void
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
/* Métodos heredados */
public RecursiveIteratorIterator::__construct(Traversable $iterator, int $mode = RecursiveIteratorIterator::LEAVES_ONLY, int $flags = 0)
public RecursiveIteratorIterator::setMaxDepth(int $max_depth = -1): void
}

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

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User Contributed Notes 1 note

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15
matthieu88160
4 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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