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[英]PHP, HTML and MySqli - how to show all data from specific column in one table row
[英]How do i list out all related data in mysqli table column one after the other
如何一個接一個地列出mysqli數據庫中的所有相關數據? 我在下面嘗試了這些代碼。 它輸出未知的結果:
<?php
include_once "init.php";
$sqli = mysqli_query($conn, "SELECT * FROM books WHERE book='1905515'");
$productCount = mysqli_num_rows($sqli);
if ($productCount > 0) {
while($fow = mysqli_fetch_array($sqli)){
foreach ($fow as $item) {
$id = $item['item_name'];
}
}
}
echo '' . $id . '';
?>
當你打電話給echo '' . $id . '';
echo '' . $id . '';
$id 不再存在,因為 $id 僅存在於 foreach 范圍內。
嘗試這個 :
include_once "init.php";
$sqli = mysqli_query($conn, "SELECT * FROM books WHERE book='1905515'");
$productCount = mysqli_num_rows($sqli);
if ($productCount > 0) {
while($fow = mysqli_fetch_array($sqli)){
echo '' . $fow['item_name'] . '';
}
}
?>
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