FilterIteratorFilterIterator::accept
(PHP 5 >= 5.1.0)
FilterIterator::accept — Check whether the current element of the iterator is acceptable
Beschreibung
abstract
bool FilterIterator::accept
( void
)
Returns whether the current element of the iterator is acceptable through this filter.
Parameter-Liste
Diese Funktion hat keine Parameter.
Rückgabewerte
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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User Contributed Notes
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