[英]filter and count filtered array
我正在嘗試過濾多維數組並返回為給定類別找到的條目數。
編輯
我試圖避免使用foreach。 目前正在研究使用array_intersect,但正在將數組轉換為字符串轉換錯誤。 我正在這樣做:
//filter array with category name
$category_array = array('T-Shirt','Men');
$filter_category = (array_intersect($products['result'], $category_array));
var_export($filter_category);//return data of filtered entries
echo $row_count=count($filter_category);//return number of entries
所需的結果應返回與下面完全相同的數組,但僅包含過濾后的條目。 如果有更好的方法來做我想做的事情。 我開了!
這就是未過濾的數據
$products={
"code": 200,
"result": [
{
"id": 121935189,
"external_id": "5d27b7962ac2c1",
"name": "RPROD7742019 Dark Green Bush Camo Men's T-Shirt ",
"variants": 6,
"synced": 6
},
{
"id": 121934788,
"external_id": "5d27b641b1f568",
"name": "RPROD2282019 FOREST GREEN CAMO Men's T-shirt",
"variants": 6,
"synced": 6
},
{
"id": 121934520,
"external_id": "5d27b555048158",
"name": "RPROD7542019 Men's Rash Guard T-Shirt Sweatshirt Long Sleeve",
"variants": 7,
"synced": 7
},
{
"id": 121934241,
"external_id": "5d27b467b817b4",
"name": "RPROD4952019 Men's T-shirt",
"variants": 6,
"synced": 6
},
{
"id": 121933767,
"external_id": "5d27b34c3133a2",
"name": "RPROD5872019 Men's T-shirt ",
"variants": 6,
"synced": 6
},
{
"id": 121933319,
"external_id": "5d27b12e253032",
"name": "RPROD7662019 DARK GREEN CAMO Men's T-Shirt - Men",
"variants": 6,
"synced": 6
},
{
"id": 121931543,
"external_id": "5d27afd7c949b8",
"name": "RPROD1192019 Jungle Camo Men's T-Shirt - Men",
"variants": 6,
"synced": 6
},
{
"id": 121930567,
"external_id": "5d27ae02dd00a8",
"name": "RPROD7572019 Camo Short sleeve men’s t-shirt - Men",
"variants": 6,
"synced": 6
},
{
"id": 121930354,
"external_id": "5d27ad2a338399",
"name": "RPROD8412019 Camo Men's T-shirt - Men",
"variants": 6,
"synced": 6
},
{
"id": 121665999,
"external_id": "5d251acde94bc7",
"name": "RPROD3042019 Champion Dad Cap Trucker Cap Men",
"variants": 2,
"synced": 2
},
{
"id": 121665890,
"external_id": "5d251a50cb6a82",
"name": "RPROD7162019 Vintage Cotton Twill Cap Trucker Cap Men Women",
"variants": 3,
"synced": 3
},
{
"id": 121665703,
"external_id": "5d2519cba9fea7",
"name": "RPROD4872019 Dad hat Trucker Cap Men Women",
"variants": 1,
"synced": 1
},
{
"id": 121665596,
"external_id": "5d251972bd8b36",
"name": "RPROD2492019 Dad hat Trucker Cap Men Women",
"variants": 1,
"synced": 1
},
{
"id": 121665533,
"external_id": "5d25193756ac83",
"name": "RPROD5362019 Trucker Cap Dad hat Men Women",
"variants": 5,
"synced": 5
},
{
"id": 121665382,
"external_id": "5d2518ae661cf3",
"name": "RPROD3082019 Cotton Cap Trucker Cap Dad Hat Men Women",
"variants": 7,
"synced": 7
},
{
"id": 121665266,
"external_id": "5d2518395f7b28",
"name": "RPROD6372019 Trucker Cap Men Women",
"variants": 1,
"synced": 1
},
{
"id": 121665141,
"external_id": "5d2517dc928059",
"name": "RPROD8112019 Trucker Cap Men Women",
"variants": 9,
"synced": 9
},
{
"id": 121664869,
"external_id": "5d25171b371fa4",
"name": "RPROD7232019 Trucker Cap Men Women",
"variants": 4,
"synced": 4
},
{
"id": 121664726,
"external_id": "5d2516c175ad54",
"name": "RPROD4112019 Trucker Cap Men Women",
"variants": 5,
"synced": 5
},
{
"id": 121664599,
"external_id": "5d251659e8a218",
"name": "RPROD7002019 Trucker Cap Men Women",
"variants": 1,
"synced": 1
},
{
"id": 121664477,
"external_id": "5d251609908887",
"name": "RPROD3232019 Trucker Cap Men Women",
"variants": 5,
"synced": 5
},
{
"id": 121664346,
"external_id": "5d2515ade45543",
"name": "RPROD6702019 Trucker Cap - Men Women",
"variants": 5,
"synced": 5
},
{
"id": 121664113,
"external_id": "5d2515167e62e4",
"name": "RPROD9422019 Cotton Cap Dad Hat Women Men",
"variants": 8,
"synced": 8
},
{
"id": 121663700,
"external_id": "5d2513fb5e6572",
"name": "RPROD2552019 Cotton Trucker Cap Dad Hat Men Women",
"variants": 4,
"synced": 4
},
{
"id": 121663350,
"external_id": "5d251304231b28",
"name": "RPROD2762019 Trucker Cap Men Women",
"variants": 9,
"synced": 9
}
],
"extra": [],
"paging": {
"total": 75,
"offset": 0,
"limit": 25
}
}
您可以為此使用array_filter
。 將類別數組轉換為匹配所有單詞的正則表達式; 請參閱正則表達式以匹配查詢中的所有單詞(以任何順序) 。 然后在過濾器函數中使用preg_match()
。
$regexp = '/(?=.*\bt-shirt\b)(?=.*\bmen\b)/i';
$fl_list = array_filter(function($p) use ($regexp) {
return preg_match($regexp, $p['name']);
}, $products['result']);
我在正則表達式中也使用\\b
使其與整個單詞匹配。 否則, men
將與women
。
如果您在數據中使用真實的關鍵字,而不是嘗試匹配產品名稱中的單詞,那么事情會容易得多。
像這樣:
$category_array = array('T-Shirt', 'camo');
print_r(
array_intersect_key(
$products['result'],
preg_grep(
'/(?=.*\b'.implode('\b)(?=.*\b', $category_array).'\b)/i',
array_column($products['result'], 'name')
)
)
);
輸出:
Array
(
[0] => Array
(
[id] => 121935189
[external_id] => 5d27b7962ac2c1
[name] => RPROD7742019 Dark Green Bush Camo Men's T-Shirt
[variants] => 6
[synced] => 6
)
[1] => Array
(
[id] => 121934788
[external_id] => 5d27b641b1f568
[name] => RPROD2282019 FOREST GREEN CAMO Men's T-shirt
[variants] => 6
[synced] => 6
)
[5] => Array
(
[id] => 121933319
[external_id] => 5d27b12e253032
[name] => RPROD7662019 DARK GREEN CAMO Men's T-Shirt - Men
[variants] => 6
[synced] => 6
)
[6] => Array
(
[id] => 121931543
[external_id] => 5d27afd7c949b8
[name] => RPROD1192019 Jungle Camo Men's T-Shirt - Men
[variants] => 6
[synced] => 6
)
[7] => Array
(
[id] => 121930567
[external_id] => 5d27ae02dd00a8
[name] => RPROD7572019 Camo Short sleeve men’s t-shirt - Men
[variants] => 6
[synced] => 6
)
[8] => Array
(
[id] => 121930354
[external_id] => 5d27ad2a338399
[name] => RPROD8412019 Camo Men's T-shirt - Men
[variants] => 6
[synced] => 6
)
)
它們都包含“ Men”,所以我不確定過濾規則應該是什么。 無論如何,經過一些調整,我改用“ camo”。
PS,如果您想更新數組,則只需執行以下操作即可,而不是print_r
:
$products['result'] = array_intersect_key( ... other code ... );
如果您也需要我,我可以解釋它是如何工作的。
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