我有這樣的數組$array = ( [customer] => Array ( [emailAddress] => [email protected] ) [recommendationProductDetails] => Array ( [0] => Array ( [productId] => 7053 [title] => silikonska termalna pasta tuba 7gr [imageWebAddress] => http://Image/GetImage/6118 [webAddress] => http://Shop/Product?name=AG%20Termopasty%20silikonska%20termalna%20pasta%20tuba%207gr&accountingCode=8703 [description] => silikonska termalna pasta tuba 7gr ) [1] => Array ( [productId] => 4610 [title] => silikonska termalna pasta tuba 7gr [imageWebAddress] => http://Image/GetImage/6118 [webAddress] => http://Shop/Product?name=AG%20Termopasty%20silikonska%20termalna%20pasta%20tuba%207gr&accountingCode=8703 [description] => silikonska termalna pasta tuba 7gr ) [2] => Array ( [productId] => 4591 [title] => silikonska termalna pasta tuba 7gr [imageWebAddress] => http://Image/GetImage/6118 [webAddress] => http://Shop/Product?name=AG%20Termopasty%20silikonska%20termalna%20pasta%20tuba%207gr&accountingCode=8703 [description] => silikonska termalna pasta tuba 7gr )我需要得到看起來像這樣的新數組 $newArray = [7053, 4610, 4591, 1756];我從這個問題中嘗試了很多解決方案 是否有從 PHP 數組中提取“列”的函數？ 但我沒有運氣，我也試過像這樣 foreach
3 回答
皈依舞
TA貢獻1851條經驗 獲得超3個贊
您可以使用foreach迭代中的每個項目$array['recommendationProductDetails']。$newArray將保留提取的值：
$newArray = array();
foreach ($array['recommendationProductDetails'] as $arrayItem) {
array_push($newArray, $arrayItem['productId']);
}
print_r($newArray);
將輸出
Array
(
[0] => 7053
[1] => 4610
[2] => 4591
[3] => 1756
)
搖曳的薔薇
TA貢獻1793條經驗 獲得超6個贊
PHP 中是否有從數組中提取“列”的函數？
是的，有array_column(array $input, mixed $column_key [, mixed $index_key = NULL])?
所以在你的代碼中：array_column($array['recommendationProductDetails'], 'productId');
回首憶惘然
TA貢獻1847條經驗 獲得超11個贊
array_column(array $input, mixed $column_key [, mixed $index_key = NULL]) 文檔
array_column($array['recommendationProductDetails'], 'productId');
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