PHP BLOG - somo la 12: Jinsi ya kutumia prepared statement kwenye kusoma post za blog
Katika somo hili tutakwenda kutumia prepared ststement kwenye ku fetch data kutoka kwenye database.
Somo hili ni muendelezo wa masomo mawili yaliotangulia nyuma. Hvyo basi hapa nitakwenda kukuletea orodha ya mabadliko ya mafaili yote yaliobadilishwa baada ya kutumia prepared statement.
Pia tutakwenda kutatuwa tatizo la kufuta pica. Hapa tutakwenda kutatua liletatizo unapo edit icha le ya zamani inabakia.
Ili kuelewa vyema somo hili tafadhali rejea mazomo mawili yaliotangulia kwa njia ya video. Tembelea channel yetu ya youtube inayopatikana kwa link hii youtube.com/@tehama-tz
dashboard.php
<html>
<head>
<title>Dshboard</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
table, th, td {
border:1px solid black;
}
.dol{
margin: 0 auto;
max-width: 70%;
}
</style>
</head>
<body>
<h1><a href="post.php">Ongeza post</a> </h1>
<table>
<tbody>
<th>id</th>
<th>Image</th>
<th>Title</th>
<th>Publshed</th>
<th>Updated</th>
<th>Publsher</th>
<th>Soma</th>
<th>edit</th>
<th>Delete</th>
<?php
include "config.php";
$sql= $conn->prepare("SELECT * FROM posts");
$sql->execute();
$result = $sql->get_result();
while ($post = $result->fetch_assoc()){?>
<tr>
<td><?php echo $post['id']?></td>
<td><img src="upload/<?php echo $post['image']?>" height="5%" width="5%"></td>
<td><?php echo $post['title']?></td>
<td><?php echo $post['post_time']?></td>
<td><?php echo $post['updated_time']?></td>
<td><?php echo $post['publisher']?></td>
<td><a href="view.php?id=<?php echo $post['id']?>">Soma</a> </td>
<td><a href="edit.php?id=<?php echo $post['id']?>">edit</a> </td>
<td><a href="delete.php?id=<?php echo $post['id']?>">Futa</a> </td>
</tr>
<?php }?>
</tbody>
</table>
</body>
</html>
delete.php
$id = filter_var($_GET['id'], FILTER_SANITIZE_NUMBER_INT);
include "config.php";
$sql= $conn->prepare("SELECT image FROM posts where id =?");
$sql->bind_param("i", $id);
$sql->execute();
$result = $sql->get_result();
while ($post = $result->fetch_assoc()){
$image = $post['image'];
unlink("upload/".$image);
$sql= $conn->prepare("DELETE FROM posts where id =?");
$sql->bind_param("i", $id);
$sql->execute();
header("location:dashboard.php");
}
post.php
<html>
<head>
<title>create your post</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://cdn.ckeditor.com/4.16.2/standard/ckeditor.js"></script>
<script src="ckeditor.js"></script>
<link rel="stylesheet" href="style.css">
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<label for="title">Title</label><br>
<input type="text" name="title" placeholder="write your post title" id="title"><br>
<label for="summary">Summary</label><br>
<input type="text" name="summary" placeholder="write your post summary" id="summary"><br>
<label for="content">content</label><br>
<textarea name="content" id="content" placeholder="wrte your post content"></textarea>
<script>CKEDITOR.replace( 'content' );
</script>
<label for="publisher">publisher</label><br>
<input type="text" name="publisher" placeholder="write your post publisher" id="publisher"><br>
<label for="date">Date</label><br>
<input type="date" name="date" placeholder="write your post date" id="date"><br><br>
<label for="image">upload your image</label>
<input type="file" name="file" accept="image/*" id="image"><br><br>
<input type="submit" name="submit" value="submit">
</form>
<br><br>
</body>
</html>
<?php
include "config.php";
if (isset($_POST['submit'])) {
//start code
// form variables
$title = filter_var($_POST['title'], FILTER_SANITIZE_STRING);
$summary = filter_var($_POST['summary'], FILTER_SANITIZE_STRING);
$content = $_POST['content'];
$publisher = filter_v...
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