please help me check what probelm code
generate.php
<?php
header("Content-type: image/jpeg");
mysqli_connect('localhost','root','','');
mysqli_select_db('a_database');
if (isset($_GET['id'])){
$id = $_GET['id'];
$query = mysqli_query( "SELECT `email` FROM `users` WHERE `id`= '".mysqli_real_escape_string($id )."' ");
if(mysqli_num_rows($query)>=1) {
$email = mysql_result($query,0,'email');
}else {
$email = 'ID not found';
}
}else{
$email = 'No ID specified';
}
$email_length = strlen($email);
$font_size = 4;
$image_height = ImageFontHeight($font_size );
$image_width = ImageFontWidth($font_size ) * $email_length;
$image = imagecreate ( 1521, 800 );//($image_height,$image_height);
imagecolorallocate($image,255,255,255);
$font_color = imagecolorallocate($image,0,0,0);
imagestring($image,$font_size,0,0,$email,$font_color);
imagejpeg($image);
?>
index.php
Name:<br>
Alex
<br><br>
Email : <br>
<img src = "generate.php?id=1"/>
