<?php
    try
    {
        /*** set the image name ***/
        $img = 'test.jpg';

        /*** read the image into imagick ***/
        $Imagick = new Imagick($img);

        /*** crop and thumbnail the image ***/
        $Imagick->cropThumbnailImage(16,16);

        /*** set the format to ico ***/
        $Imagick->setFormat('ico');

        /*** write the favicon.ico file ***/
        $Imagick->writeImage("favicon.ico");

        echo 'done';
    }
    catch(Exception $e)
    {
        echo $e->getMessage();
    }
?>

/*
 * @convert degrees to radians
 * @param float $degrees
 * @return float
 */
function DegreeToRadian($degrees)
{
    /*** do the math ***/
    return $degrees * pi() / 180;
}

/*
 * @convert radians to degrees
 * @param float $radians
 * @return float
 */
 function radiansToDegrees($radians)
 {
    return $radians * 180 / pi();
 }

<?php
    /**
    * Remove all non alpha numeric characters except a space
    * @param    string    $string The string to cleanse
    * @return    string
    */
    function alphanumericAndSpace( $string )
    {
        return preg_replace('/[^a-zA-Z0-9\s]/', '', $string);
    }
?>


/*** a complex object ***/
$obj = new stdClass;
$obj->foo = new stdClass;
$obj->foo->baz = 'baz';
$obj->bar = 'bar';

/*** show the array ***/
print_r( $array );
?>