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copied!<h2>Note</h2> <p>Please, don't use <code>mysql_*</code> functions for new code. They are no longer maintained and the community has begun the <a href="http://goo.gl/KJveJ" rel="nofollow noreferrer">deprecation process</a>. See the <a href="http://goo.gl/GPmFd" rel="nofollow noreferrer"><strong>red box</strong></a>? Instead you should learn about <a href="http://goo.gl/vn8zQ" rel="nofollow noreferrer">prepared statements</a> and use either <a href="http://php.net/pdo" rel="nofollow noreferrer">PDO</a> or <a href="http://php.net/mysqli" rel="nofollow noreferrer">MySQLi</a>. If you can't decide, <a href="http://goo.gl/3gqF9" rel="nofollow noreferrer">this article</a> will help to choose. If you care to learn, <a href="http://goo.gl/vFWnC" rel="nofollow noreferrer">here is good PDO tutorial</a>.</p> <p>To see what error your code outputs change </p> <pre><code>mysql_query($query); </code></pre> <p>to</p> <pre><code>$result = mysql_query($query); if (!$result) { die('Invalid query: ' . mysql_error()); } </code></pre> <p>Then <a href="http://php.net/manual/en/function.mysql-error.php" rel="nofollow noreferrer"><code>mysql_error()</code></a> will output the error instead of just nothing ...</p> <p>As pointed out by <a href="https://stackoverflow.com/users/370940/lese-majeste">@Lèsemajesté</a> - <code>move_uploaded_file()</code> also returns a <code>boolean</code> which you should check is <code>true</code> :</p> <blockquote> <p>Returns TRUE on success.</p> <p>If filename is not a valid upload file, then no action will occur, and move_uploaded_file() will return FALSE.</p> <p>If filename is a valid upload file, but cannot be moved for some reason, no action will occur, and move_uploaded_file() will return FALSE. Additionally, a warning will be issued.</p> </blockquote> <p><a href="http://php.net/manual/en/function.move-uploaded-file.php" rel="nofollow noreferrer">Full docs for <code>move_uploaded_file()</code> here</a></p>

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