fetch() public méthode

If the current position is valid, returns an array with index zero as the key and index one as the value and advances the iterator to the next position or returns null if the current position is invalid.
public fetch ( ) : array | null
Résultat array | null The element array or null if invalid position
IIterator Interface Documentation
Exemple #1
0
 protected function doFetch()
 {
     while ((list($innerKey, $innerValue) = $this->innerValuesIterator->fetch()) === null) {
         if ((list($this->outerKey, $this->outerValue) = $this->outerIterator->fetch()) === null) {
             return null;
         }
         $this->innerValuesIterator = $this->getInnerValuesIterator($this->outerKey, $this->outerValue);
         $this->innerValuesIterator->rewind();
     }
     $projectionFunction = $this->projectionFunction;
     return [$this->count++, $projectionFunction($this->outerValue, $innerValue, $this->outerKey, $innerKey)];
 }
Exemple #2
0
 public function __construct(IIterator $values = null)
 {
     if ($values !== null) {
         $values->rewind();
         while ($element = $values->fetch()) {
             $this->addRef($element[1]);
         }
     }
 }