html – php function display an empty page instead of the result

In order to separate my html displaying and the treatment PHP, I decided to make functions that I will include on my own library.

For the first page Ive done a function but instead of returning to me something good, it display to me a white pages;

Here is my code:

<?php 

 /**
 * FONCTION DE CREATION DES ANNONCES (page add-annonce.php) 
 */
function addAnnonce($session) {
    $sql = \"SELECT `nom`,`prenom`,`type` FROM `gestionnaire` WHERE `id`=\'{$session}\'\";
    $result = mysql_query($sql);
    $donnees = mysql_fetch_assoc($result);
    return $donnees;
}

function saveAnnonce($form, $annonce, $to) {
    if (isset($form)) {
        $donnees = addAnnonce($_SESSION[\'id\']);
        $by = $donnees[\'nom\'] . \' \' . $donnees[\'prenom\'];
        $sql = \"INSERT INTO `cometchat_announcements` SET
    `announcement`  =\'\" . mysql_real_escape_string($annonce) . \"\',
    `by`            =\'\" . mysql_real_escape_string($by) . \"\',
    `time`          =\'\" . mysql_real_escape_string(time()) . \"\',
    `to`            =\'\" . mysql_real_escape_string($to) . \"\'\";
        mysql_query($sql);
        echo \"<div class=\\\"success\\\">L\'annoncea bien été ajoutée , vous pouvez continuer vos actions<br>La mise à jour interviendra après actualisation</div>\";
        echo \"<SCRIPT type=\\\"text/javascript\\\"> 
<!-- 
alert(\\\"Ajout d\\\'une nouvelle annonce : Ok !\\\");
// --> 
</SCRIPT> \";
    }
}
    isset($_POST[\'enreg\']) ? saveAnnonce($_POST[\'enreg\'], $_POST[\'annonce\'],$_POST[\'to\']) :\'\' ;

     ?>

I have no mistakes or error message.

Anykind of help will be much appreciated.

Rating: 4 out of 5 based on 3 ratings

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