/**
* apply operation to list
*
* @param Collection $c
* @return Collection
*/
public function apply($c) : Collection
{
$_func = $this->func;
foreach ($c->generate() as $key => $item) {
$_func($item, $key, $c);
}
return $c;
}
/**
* apply operation to list
*
* @param Collection $c
* @return Collection
*/
public function apply($c) : Collection
{
$_func = $this->func;
$acc = $this->acc;
foreach ($c->rgenerate() as $key => $item) {
$acc = $_func($acc, $item, $key, $c);
}
return new Collection([$acc]);
}
/**
* apply operation to list
*
* @param Collection $c
* @return Collection
*/
public function apply($c) : Collection
{
$_func = $this->func;
$newCollection = new Collection();
foreach ($c->generate() as $item) {
$newCollection->append($_func($item));
}
return $newCollection;
}
/**
* apply operation to list
*
* @param Collection $c
* @return Collection
*/
public function apply($c) : Collection
{
$a = $c->toArray();
asort($a, $this->sort_flags);
return new Collection($a);
}
/**
* apply operation to list
*
* @param Collection $c
* @return Collection
*/
public function apply($c) : Collection
{
$a = $c->toArray();
uasort($a, $this->compare_func);
return new Collection($a);
}