本文整理匯總了PHP中Illuminate\Support\Collection::avg方法的典型用法代碼示例。如果您正苦於以下問題：PHP Collection::avg方法的具體用法？PHP Collection::avg怎麽用？PHP Collection::avg使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Illuminate\Support\Collection的用法示例。
在下文中一共展示了Collection::avg方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: testGettingAvgItemsFromCollection
public function testGettingAvgItemsFromCollection()
{
$c = new Collection([(object) ['foo' => 10], (object) ['foo' => 20]]);
$this->assertEquals(15, $c->avg('foo'));
$c = new Collection([['foo' => 10], ['foo' => 20]]);
$this->assertEquals(15, $c->avg('foo'));
$c = new Collection([1, 2, 3, 4, 5]);
$this->assertEquals(3, $c->avg());
$c = new Collection();
$this->assertNull($c->avg());
}示例2: avg
public function avg($key = null)
{
return round(parent::avg($key), 2);
}