Description:
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Fatal error: Uncaught exception 'PDFlibException' with message 'Metrics data for font 'Arial' not found' in C:\wamp\www\pdf_file.php:9 Stack trace: #0 C:\wamp\www\pdf_file.php(9): pdf_findfont(Resource id #2, 'Arial', 'host', 1) #1 {main} thrown in C:\wamp\www\pdf_file.php on line 9

Reproduce code:
---------------
<?php
$pdf = pdf_new();
pdf_open_file($pdf,'c:\bennyboy.pdf');
pdf_set_info($pdf, "Author", "Ben Shepherd");
pdf_set_info($pdf, "Title", "Creating a pdf");
pdf_set_info($pdf, "Creator", "Ben Shepherd");
pdf_set_info($pdf, "Subject", "Creating a pdf");
pdf_begin_page($pdf, 595, 842);
$arial = pdf_findfont($pdf, "Arial", "host", 1);
pdf_setfont($pdf, $arial, 14);
pdf_show_xy($pdf, "<Type your info here>",50, 400);
$gif_image = pdf_open_gif($pdf, "logo_i.gif");
pdf_place_image($pdf, $gif_image, 200, 300, 1.0);
pdf_close_image($pdf, $gif_image);
pdf_end_page($pdf);
pdf_close($pdf);
echo "<A HREF=\"C:\bennyboy.pdf\" TARGET=\"_blank\">Open pdf in a new window $user</A>";
?>

Expected result:
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I expect to create a pdf file successfully