PHP | Gmagick getimagesignature() Function

<?php

// PHP program to illustrate getimagesignature() function
$image = new Gmagick(
"https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-15.png");

// Using getimagesignature() function
$pixels = $image->getimagesignature();

print($pixels);
?>

<?php 

$string = "Computer Science portal for Geeks!"; 

// Creating new image of above String 
// and add color
$im = new Gmagick(); 
$draw = new GmagickDraw(); 

// Fill the color in image 
$draw->setFillColor(new GmagickPixel('green')); 

// Set the text font size 
$draw->setFontSize(50); 

$metrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($metrix['textWidth'], $metrix['textHeight'], 
        new GmagickPixel('white')); 

// Draw the image         
$im->drawImage($draw); 
$im->setImageFormat('jpeg'); 

// Using getimagesignature function
$pixels = $im->getimagesignature();

print($pixels);
?>