FilterIterator::accept
(PHP 5 >= 5.1.0, PHP 7)
FilterIterator::accept — Check whether the current element of the iterator is acceptable
Opis
public
abstract
FilterIterator::accept
( void
) : bool
Returns whether the current element of the iterator is acceptable through this filter.
Parametry
Ta funkcja nie posiada parametrów.
Zwracane wartości
TRUE if the current element is acceptable, otherwise FALSE.
Przykłady
Przykład #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";
}
?>
Powyższy przykład wyświetli:
more than 10 characters
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