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? ??? ??? MySQL ???? MySQL ????? ???? ???? ?? PHP ??? ?? ??? ???? ??? ??????

MySQL ????? ???? ???? ?? PHP ??? ?? ??? ???? ??? ??????

Oct 27, 2024 pm 09:30 PM

How to Implement a Delete Button in a PHP Form to Remove Records from a MySQL Table?

?? ??? PHP ??? ???? MySQL ????? ???? ???? ??

??:

MySQL ???? ??? HTML ???? "??" ??? ??? ??? ??? ??????. ??? ?? ??? ????? ???????? ?? ?? ???? ??? ?? ??? ???? ????.

?? ???:

results.php :

<code class="php">// Fetch data from the database
$contacts = mysql_query("SELECT * FROM contacts ORDER BY ID ASC") or die(mysql_error());

// If results exist, display the table
if (mysql_num_rows($contacts) > 0) {
    // Table markup
    echo '<table id="contact-list">';

    // Table head
    echo '<thead><tr><th>Name</th><th>Email</th><th>Telephone</th><th>Address</th><th>Delete</th></tr></thead>';

    // Table body
    while ($contact = mysql_fetch_array($contacts)) {
        echo '<tr>';
        echo '<td>' . $contact['name'] . '</td>';
        echo '<td>' . $contact['email'] . '</td>';
        echo '<td>' . $contact['telephone'] . '</td>';
        echo '<td>' . $contact['address'] . '</td>';

        // Delete form
        echo '<td><form action="delete.php" method="post">';
        echo '<input type="hidden" name="name" value="">';
        echo '<input type="submit" name="submit" value="Delete">';
        echo '</form></td>';

        echo '</tr>';
    }

    // Table foot
    echo '</table>';
}</code>

delete.php:

<code class="php">// Define the deletion query
$query = "DELETE FROM contacts WHERE name={$_POST['name']} LIMIT 1";

// Execute the query
mysql_query($query);

// Display a success or failure message based on the number of affected rows
if (mysql_affected_rows() == 1) {
    echo '<strong>Contact Has Been Deleted</strong><br /><br />';
} else {
    echo '<strong>Deletion Failed</strong><br /><br />';
}</code>

???:

??? ??? ????. ?? ? ?(? ?? ??)? delete.php ????? ?????. ?? ????? ?? ??? ??? ??? ?? ?? URL ????? ?? ?? ???? ???.

????? ??:

<code class="php">// Within the table body loop in results.php

echo '<td><form action="delete.php?name=' . $contact['name'] . '" method="post">';</code>

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