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The Sage's Solution
? ??? ?? PHP ???? PHP?? ????? ???? ?? ?????? ?? ???? ???? ??? ??????

PHP?? ????? ???? ?? ?????? ?? ???? ???? ??? ??????

Oct 25, 2024 pm 07:42 PM

How to Properly Delete Multiple Database Rows Using Checkboxes in PHP?

PHP?? ????? ???? ?????? ? ?? ??

MySQL ???? ?? ?? ???? ??? ???? ?? ??? ?? ?? ???? ?????. . ??? ??? ?? ??? ???? ?? ??? ? ?? ???? ??? ? ????.

??? ??? ??? ??? ????? ? ????? ??? ??? ???? ?????. ? ???? ????? ???? ??? ???? ?? ????? ??? ??? ???? ??? ????.

<code class="html">// PHP witchcraft to connect to MySQL
$dbc = mysqli_connect('localhost', 'root', 'admin', 'sample') or die('MySQL is out to get you!');
$query = "select * from links ORDER BY link_id";
$result = mysqli_query($dbc, $query) or die('Whoops! Query went awry!');
$count = mysqli_num_rows($result);</code>
<code class="html">// Assemble your army of checkboxes
while ($row = mysqli_fetch_array($result)) {
    echo <<<HTML
<tr>
    <td><input type="checkbox" name="checkbox[]" value="$row[link_id]"></td>
    <td>$row[link_id]</td>
    <td>$row[link_name]</td>
    <td>$row[link_url]</td>
</tr>
HTML;
}</code>
<code class="html">// The arsenal of deletion awaits your command
if (isset($_POST['delete'])) {
    // Retrieve your checked victims
    $checkbox = $_POST['checkbox'];

    // Summon the wrath of deletion upon each victim
    foreach ($checkbox as $del_id) {
        $sql = "DELETE FROM links WHERE link_id='$del_id'";
        // Unleash the purging power!
        $result = mysqli_query($dbc, $sql);
    }

    // If successful, redirect to the crime scene
    if ($result) {
        echo '<meta http-equiv="refresh" content="0;URL=view_links.php">';
    }
}</code>

The Sage's Solution

??, ??? ??? ??? ?? ??? ?? ?????. ? ?? ??? ??:

  1. ?? ?? ??: ???? ?? ??? ??? ???? ?? [] ???? ????. ??? ??? PHP? ?? ??? ???? ???? ????. name="checkbox[]"? ?????.
  2. ?????? ??: ?? ?? ?? ?? ??? ????. $result = mysqli_query($dbc, $sql);.

??? ??? ?? ??? ??? ????? ?? ?????. ??? ???? ??? ??? ?? ???? ?????!

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