first() public méthode

Returns the first value, null if empty
public first ( ) : mixed
Résultat mixed The first value
Exemple #1
0
 /**
  * @dataProvider emptyData
  */
 public function testThatFirstReturnsNullWhenThereAreNoValues(\Pinq\ITraversable $empty)
 {
     $this->assertEquals(null, $empty->first());
 }
Exemple #2
0
 public function visitFirst(Requests\First $request)
 {
     return $this->traversable->first();
 }