Create a pdf A4 size from using PHP script
<p>I have tried to use the php script to generate PDF with a simple programme Hello World. I came across following error which I am unable to understand can someone help?</p>

<p><strong>SCRIPT</strong></p>

<pre><code>&lt;?php
require('fpdf.php');

$pdf=new FPDF();
$pdf-&gt;AddPage();
$pdf-&gt;SetFont('Arial','B',16);
$pdf-&gt;Cell(40,10,'Hello World!');
$pdf-&gt;Output();
?&gt;
</code></pre>

<p><strong>ERROR:-</strong></p>

<pre><code>Warning: include(helveticab.php) [function.include]: failed to open stream: No such file or directory in C:\xampp\php\PEAR\fpdf.php on line 541

Warning: include() [function.include]: Failed opening 'helveticab.php' for inclusion (include_path='.;C:\xampp\php\PEAR') in C:\xampp\php\PEAR\fpdf.php on line 541
FPDF error: Could not include font metric file
</code></pre>
