Using imagecreatefromjpeg to Load JPEG Images in PHP

The PHP function imagecreatefromjpeg() creates an image resource from a JPEG file or URL, returning the resource on success or FALSE on failure.

Parameter: $filename – the path to the JPEG image.

Return value: on success a GD image resource; on error FALSE.

Example usage:

<?php
function LoadJpeg($imgname)
{
    // Try to open the image
    $im = @imagecreatefromjpeg($imgname);
    // See if it failed
    if (!$im) {
        // Create a black image
        $im = imagecreatetruecolor(150,30);
        $bgc = imagecolorallocate($im,255,255,255);
        $tc = imagecolorallocate($im,0,0,0);
        imagefilledrectangle($im,0,0,150,30,$bgc);
        // Output an error message
        imagestring($im,1,5,5,'Error loading '.$imgname,$tc);
    }
    return $im;
}
header('Content-Type: image/jpeg');
$img = LoadJpeg('bogus.image');
imagejpeg($img);
imagedestroy($img);
?>