[英]How to get value by key from multidimensional array from an object attribute as number in PHP
如何從PHP中的多維數組中按鍵獲取值
我們在 foreach 循環中獲取 TradeID
我們通過Loop一一得到TradeID
stdClass Object
(
[0] =>
[1] => 1
[2] => Array
(
[0] => Array
(
[TradeID] => 15950315
[Price] => 0.00000170
[Type] => buy
[Amount] => 712.85989430
[Total] => 0.00121368
[Time] => 1535337908
)
[1] => Array
(
[TradeID] => 15908375
[Price] => 0.00000300
[Type] => buy
[Amount] => 574.71264368
[Total] => 0.00172673
[Time] => 1535022882
)
)
)
您需要使用 foreach 兩次。
PHP代碼:
/* Generating structure */
$rawdata = array(
'',
1,
array(
array(
'TradeID' => 15950315,
'Price' => 0.00000170,
'Type' => 'buy',
'Amount' => 712.85989430,
'Total' => 0.00121368,
'Time' => 1535337908,
),
array(
'TradeID' => 15908375,
'Price' => 0.00000300,
'Type' => 'buy',
'Amount' => 574.71264368,
'Total' => 0.00172673,
'Time' => 1535022882,
)
)
);
$data = (object)$rawdata;
print_r($data);// same output as shown in the question
/** Getting TradeID */
foreach ($data as $key => $value) {
if (is_array($value)) {
foreach ($value as $tradeKey => $tradevalue) {
echo $tradevalue['TradeID'].'<br/>';
}
}
}
請檢查輸出: https : //3v4l.org/d3KbN
考慮到$object
變量將是您看到的對象,並且只有第一層是一個對象,您可以使用符號(array)
轉換為數組並繼續您可能已經知道的邏輯:
$array = (array) $object;
foreach ($array['2'] as $item) {
echo $item['TradeID'];
}
抱歉之前的答案,此答案已在此處修復和測試: https : //3v4l.org/LOYtp
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