FilterIterator
PHP Manual

FilterIterator::accept

(PHP 5 >= 5.1.0)

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

Descrição

abstract bool FilterIterator::accept ( void )

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

Parâmetros

Esta função não possui parâmetros.

Valor Retornado

TRUE if the current element is acceptable, otherwise FALSE.

Exemplos

Exemplo #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";
}
?>

O exemplo acima irá imprimir:

more than 10 characters


FilterIterator
PHP Manual