FilterIterator
PHP Manual

FilterIterator::accept

(PHP 5 >= 5.1.0)

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

Описание

abstract bool FilterIterator::accept ( void )

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

Параметри

Тази функция няма параметри.

Връщани стойности

TRUE if the current element is acceptable, otherwise FALSE.

Примери

Example #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";
}
?>

Примерът по-горе ще изведе:

more than 10 characters


FilterIterator
PHP Manual