FilterIterator::accept

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

FilterIterator::acceptCheck whether the current element of the iterator is acceptable

Beschreibung

public FilterIterator::accept(): bool

Returns whether the current element of the iterator is acceptable through this filter.

Parameter-Liste

Diese Funktion besitzt keine Parameter.

R├╝ckgabewerte

true if the current element is acceptable, otherwise false.

Beispiele

Beispiel #1 FilterIterator::accept() example

<?php
// This iterator filters all values with less than 10 characters
class LengthFilterIterator extends FilterIterator {

public function
accept() {
// Only accept strings with a length of 10 and greater
return strlen(parent::current()) >= 10;
}

}

$arrayIterator = new ArrayIterator(array('test1', 'more than 10 characters'));
$lengthFilter = new LengthFilterIterator($arrayIterator);

foreach (
$lengthFilter as $value) {
echo
$value . "\n";
}
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

more than 10 characters

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