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我如何計算一個元素,如果它在同一個數組中出現多次?我如何計算一個元素,如果它在同一個數組中出現多次?
我已經嘗試與array_count_values,但它沒有工作,是否因爲我有超過一個鍵和值在我的數組?
這是從我的陣列我的輸出(restlist)
Array (
[0] => Array ([restaurant_id] => 47523 [title] => cafe blabla)
[1] => Array ([restaurant_id] => 32144 [title] => test5)
[2] => Array ([restaurant_id] => 42154 [title] => blabla2)
[3] => Array ([restaurant_id] => 32144 [title] => test5)
[4] => Array ([restaurant_id] => 42154 [title] => blabla2)
)
我希望它計數相同的元素有多少次出現在我的數組,然後計數值添加到我的所謂新創建的「鑰匙」命中相同的數組。
Array (
[0] => Array ([restaurant_id] => 47523 [title] => cafe blabla [hits] => 1)
[1] => Array ([restaurant_id] => 32144 [title] => test5 [hits] => 2)
[2] => Array ([restaurant_id] => 42154 [title] => blabla2 [hits] => 2)
)
這就是我試圖做我想做的。
foreach ($cooltransactions as $key)
{
$tempArrayOverRestaurants[]= $key['restaurant_id'];
}
$wordsRestaruants = array_count_values($tempArrayOverRestaurants);
arsort($wordsRestaruants);
foreach ($wordsRestaruants as $key1 => $value1)
{
$temprestaurantswithhits[] = array(
'restaurant_id' => $key1,
'hits' => $value1);
}
foreach ($restlistas $key)
{
foreach ($temprestaurantswithhits as $key1)
{
if($key['restaurant_id'] === $key1['restaurant_id'])
{
$nyspisestedsliste[] = array(
'restaurant_id' => $key['restaurant_id'],
'title' => $key['title'],
'hits' => $key1['hits']);
}
}
}
我知道這可能是一個小白辦法做到我想要什麼,但我仍然在新php..I希望你能幫助
感謝感謝$ hsz。它工作正常:D我會接受你在6分鐘內回答 – Zaz 2013-03-04 11:40:25