Php 如何在foreach循环中使用公共索引键传递多个值?
我需要在foreach循环中使用一个公共索引键传递两个或多个输入,以便一次更新多个mysql行 前端:Php 如何在foreach循环中使用公共索引键传递多个值?,php,mysql,loops,foreach,Php,Mysql,Loops,Foreach,我需要在foreach循环中使用一个公共索引键传递两个或多个输入,以便一次更新多个mysql行 前端: <table> <thead> <tr> <th>ID</th> <th>Column 1</th> <th>Column 2&
<table>
<thead>
<tr>
<th>ID</th>
<th>Column 1</th>
<th>Column 2</th>
</tr>
</thead>
<tbody>
<form method="post" action="process.php">
<?php
$stmt = $mysqli->prepare("SELECT id,column1,column2 FROM table");
$stmt->execute();
$stmt->store_result();
$stmt->bind_result($id,$column1,$column2);
while ($stmt->fetch()) {
?>
<tr>
<td><?php echo $id ?></td>
<!-- Here User will input values for the below two fields in all the rows -->
<td><input type="text" name="column1[<?php echo $id; ?>]"/></td>
<td><input type="text" name="column2[<?php echo $id; ?>]"/></td>
</tr>
<?php } ?>
<input type="submit" name="submit" value="Update all">
</form>
</tbody>
</table>
<?php
if(isset($_POST['submit'])){
foreach($_POST['column1'],$_POST['column2'] as $key=>$value,$value1){ //column1 and column2 have common $id in each row
$stmt = $mysqli->prepare("UPDATE table SET column1 = ?, column2 = ? WHERE id = ?");
$stmt->bind_param('ssi',$value,$value1,$key);
$stmt->execute();
}
if ($stmt->execute()) {
echo "Done!";
exit();
}
}
?>
身份证件
第1栏
第2栏
您应该在循环之前进行准备
和绑定参数
,而不是每次。@Barmar Ok注意到了!谢谢,您应该在循环之前进行准备
和绑定参数
,而不是每次。@Barmar Ok注意到了!非常感谢。
<?php
foreach (array_keys($_POST['column1']) as $key) {
$value = $_POST['column1'][$key];
$value1 = $_POST['column2'][$key];
$stmt = $mysqli->prepare("UPDATE table SET column1 = ?, column2 = ? WHERE id = ?");
$stmt->bind_param('ssi',$value,$value1,$key);
$stmt->execute();
}