I'm using the following code
$imagick = new Imagick();
// Reads image from PDF
$imagick->readImage('sample.pdf');
// Writes an image or image sequence Example- converted-0.jpg, converted-1.jpg
$imagick->writeImages('converted.jpg', false);
Fatal error: Uncaught exception 'ImagickException' with message 'UnableToOpenBlob `sample.pdf': No such file or directory @ error/blob.c/OpenBlob/2702' in D:\xampp\htdocs\full_delay\fulcrum\www\www.axis.com\app\imagick\imagick-test.php:15 Stack trace: #0 D:\xampp\htdocs\full_delay\fulcrum\www\www.axis.com\app\imagick\imagick-test.php(15): Imagick->readimage('sample.pdf') #1 {main} thrown in D:\xampp\htdocs\full_delay\fulcrum\www\www.axis.com\app\imagick\imagick-test.php on line 15