public function testCollect()
{
$i1 = new \T4\Core\Std(['id' => 1, 'title' => 'foo']);
$i2 = new \T4\Core\Std(['id' => 2, 'title' => 'bar']);
$i3 = new \T4\Core\Std(['id' => 3, 'title' => 'baz']);
$collection = new Collection();
$collection->append($i1);
$collection->append($i2);
$collection->append($i3);
$this->assertEquals([new \T4\Core\Std(['id' => 1, 'title' => 'foo']), new \T4\Core\Std(['id' => 2, 'title' => 'bar']), new \T4\Core\Std(['id' => 3, 'title' => 'baz'])], $collection->getArrayCopy());
$ids = $collection->collect('id');
$this->assertEquals([1, 2, 3], $ids);
$titles = $collection->collect(function ($x) {
return $x->title;
});
$this->assertEquals(['foo', 'bar', 'baz'], $titles);
$collection = new Collection([['id' => 1, 'title' => 'foo'], ['id' => 2, 'title' => 'bar'], ['id' => 3, 'title' => 'baz']]);
$ids = $collection->collect('id');
$this->assertEquals([1, 2, 3], $ids);
$titles = $collection->collect(function ($x) {
return $x['title'];
});
$this->assertEquals(['foo', 'bar', 'baz'], $titles);
}
