Orders the values mapped from the supplied function ascendingly
Example function:
| public orderByAscending ( callable $function ) : Pinq\Interfaces\IOrderedTraversable | ||
| $function | callable | The mapping function |
| Результат | Pinq\Interfaces\IOrderedTraversable | |
/**
* @dataProvider people
*/
public function testOrderByMultipleColumns(\Pinq\ITraversable $traversable, array $data)
{
$orderedNames = $traversable->orderByAscending(function ($i) {
return $i['firstName'];
})->thenByDescending(function ($i) {
return $i['lastName'];
})->implode(':', function ($i) {
return $i['firstName'] . ' ' . $i['lastName'];
});
$this->assertEquals('Alex Katter:Beth Baronksy:Casy Denali:Daniel Farmer:Daniel Dekresta:Dave Desopolous:David Faller:Hugo Tesserat:Sandy Williams:Zoe Black', $orderedNames);
}
/**
* @dataProvider dates
*/
public function testThatOrderByOrdersDatesCorrectly(\Pinq\ITraversable $dates, array $data)
{
$years = $dates->orderByAscending(function (\DateTime $date) {
return $date;
})->select(function (\DateTime $date) {
return $date->format('Y');
})->implode(':');
$this->assertSame('2000:2001:2002:2003:2004:2005', $years);
}
