ConFoo: Call for paper is now Open

FilterIterator::accept

(PHP 5 >= 5.1.0)

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

Beschreibung

public 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.

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

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top