FilterIterator::accept
(PHP 5 >= 5.1.0)
FilterIterator::accept — Check whether the current element of the iterator is acceptable
Beskrivelse
abstract
bool FilterIterator::accept
( void
)
Returns whether the current element of the iterator is acceptable through this filter.
Parametre
This function has no parameters.
Returnerings Værdier
TRUE if the current element is acceptable, otherwise FALSE.
Eksempler
Eksempel #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";
}
?>
The above example will output:
more than 10 characters
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