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PORelate MySQL table to a specific value
 

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    <p>What I want to do is quite simple: I want to recover data from a database, only where the ID of the first table (stored in session) is similar to the ID of the second table. My code is this one below. The only problem: the present code gives me the following error:</p> <p><strong>Query is invalid: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.' at line 1</strong></p> <p>What am I doing wrong? Thanks for your help!</p> <pre><code>&lt;?php include "base.php"; ?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1- strict.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt; &lt;?php //We check if the user is logged if(isset($_SESSION['Username'])) { ?&gt; &lt;?php //query $query = mysql_query("select TitreEvent, DescriptionEvent from users_event where ID = .$_SESSION [id].") or die ('Query is invalid: ' . mysql_error()); //write the results while ($row = mysql_fetch_array($query)) { echo $row['TitreEvent'] . " " . $row['DescriptionEvent'] . ""; // close the loop } ?&gt; &lt;div class="message"&gt;To access this page, you must be logged.&lt;br /&gt; &lt;a href="http://www.groupe90.webege.com/index.php"&gt;Log in&lt;/a&gt;&lt;/div&gt; &lt;?php } ?&gt; &lt;div class="foot"&gt;&lt;a href="&lt;?php echo $url_home; ?&gt;"&gt;Go Home&lt;/a&gt; - &lt;a href="http://www.webestools.com/"&gt;Webestools&lt;/a&gt;&lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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    1. USCharles
    1. USfreddy
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    1. CO*PSA:* The `mysql_*` functions are [deprecated in PHP 5.5](http://php.net/manual/en/faq.databases.php#faq.databases.mysql.deprecated). It is not recommended for writing new code as it will prevent you from upgrading in the future. Instead, use either [MySQLi](http://php.net/manual/en/book.mysqli.php) or [PDO](http://php.net/manual/en/book.pdo.php) and [be a better PHP Developer](http://jason.pureconcepts.net/2012/08/better-php-developer/).
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      1. USJason McCreary
 

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