Mail to GD

gistfile1.php

<?php
define('MAIL_PLUS_WIDTH', 10);
define('MAIL_PLUS_HEIGHT', 10);
define('MAIL_POS_WIDTH', (MAIL_PLUS_WIDTH / 2) );
define('MAIL_POS_HEIGHT', (MAIL_PLUS_HEIGHT / 2) );

/**
 *   Transform a adresse mail to GD.
 *   @param  string $mail  mail du membre
 *   @param  string $where ou l'enregistrer ?
 *   @return string img addr
*/
function mail2gd($mail, $where = '.'){
    $where .= DIRECTORY_SEPARATOR . sha1($mail) . '.png';
  
    if( !file_exists($where) ){
        $img = imagecreate(strlen($mail)*7 + MAIL_PLUS_WIDTH, 15 + MAIL_PLUS_HEIGHT);
        $bg = imagecolorallocate($img, 255, 255, 255);
        $txt = imagecolorallocate($img, 0, 0, 0);

        imagestring($img, 3, MAIL_POS_WIDTH, MAIL_POS_HEIGHT, $mail, $txt);
        imagepng($img, $where);
    }
   
    return $where;
}