/**
  * {@inheritdoc}
  */
 public function filter(callable $predicate) : Collection
 {
     $this->elements = \iter\filter($predicate, \iter\toIter($this->elements));
     return clone $this;
 }
示例#2
0
function filterGenerator($generator, $column, $value)
{
    return iter\filter(function ($item) use($column, $value) {
        return $item[$column] == $value;
    }, $generator);
}