(PHP 5 >= 5.1.0, PHP 7)
FilterIterator::accept — Check whether the current element of the iterator is acceptable
Returns whether the current element of the iterator is acceptable through this filter.
Diese Funktion besitzt keine Parameter.
TRUE if the current element is acceptable, otherwise FALSE.
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