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PONotice: Undefined variable: conn and Fatal error: Call to a member function prepare() on a non-object
 

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    <p>Hi All I get these two errors when trying to post to my database</p> <p>Notice: Undefined variable: conn in C:\xampp\htdocs\phptuts\sandbox\blog\admin\index.php on line 17</p> <p>Here is the code;</p> <pre><code> &gt; &lt;?php require '../functions.php'; require '../db.php'; $data = array(); if ( $_SERVER['REQUEST_METHOD'] === 'POST' ) { $title = $_POST['title']; $body = $_POST['body']; if ( empty($title) || empty($body) ) { $data['status'] = 'Please fill out both inputs'; } else { Blog\DB\query( "INSERT INTO posts(title, body) VALUES(:title, :body)", array('title' =&gt; $title, 'body' =&gt; $body), $conn); // line 17 } } view('admin/create', $data); </code></pre> <p>and here is the second one</p> <p>Fatal error: Call to a member function prepare() on a non-object in C:\xampp\htdocs \phptuts\sandbox\blog\db.php on line 26</p> <pre><code>function query($query, $bindings, $conn) { $stmt = $conn-&gt;prepare($query); //line 26 return $stmt-&gt;execute($bindings); } </code></pre> <p>Hoping someone can help me with this as I was doing the php fundamentals course on tutsplus The Obligatory Blog: Part 4 found here <a href="https://tutsplus.com/lesson/the-obligatory-blog-part-4/" rel="nofollow">https://tutsplus.com/lesson/the-obligatory-blog-part-4/</a></p> <p>update here is the db.php file </p> <pre><code>&lt;?php namespace Blog\DB; $config = array( 'username' =&gt; 'root', 'password' =&gt; 'foobar', 'database' =&gt; 'blog' ); function connect($config) { try { $conn = new \PDO('mysql:host=localhost;dbname=' . $config['database'], $config['username'], $config['password']); $conn-&gt;setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); return $conn; } catch (Exception $e) { return false; } } function query($query, $bindings, $conn) { $stmt = $conn-&gt;prepare($query); $stmt-&gt;execute($bindings); return ($stmt-&gt;rowCount() &gt; 0) ? $stmt : false; } function get($tableName, $conn, $limit = 10) { try { $result = $conn-&gt;query("SELECT * FROM $tableName ORDER BY id DESC LIMIT $limit"); return ( $result-&gt;rowCount() &gt; 0 ) ? $result : false; } catch(Exception $e) { return false; } } function get_by_id($id, $conn) { $query = query( 'SELECT * FROM posts WHERE id = :id LIMIT 1', array('id' =&gt; $id), $conn ); if ( $query ) return $query-&gt;fetchAll(); // else } </code></pre>
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    1. COPost the content of `../db.php` and make sure you remove any sensitive data such as password, username and ip. The reason its not working is very likely you missed a step on the tutorial and/or you changed the name of something as it is giving the undefined index error on $conn so it is related to your database connection. [**Click here to update your question with more information**](http://stackoverflow.com/posts/18499952/edit)
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