PHP | Imagick getImageResolution() Function

<?php

// Create an imagick image object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-15.png');

// Getting Resolution of created image
// using getimageresolution function
$res = $im->getImageResolution();
echo "X = ".$res['x'] . "</br>";
echo "Y = ".$res['y'] ." </br>";
?>

<?php 

$string = "Computer Science portal for Geeks!"; 
   
// Creating new image of above String 
// and add color and background 
$im = new Imagick(); 
$draw = new ImagickDraw(); 
  
// Fill the color in image 
$draw->setFillColor(new ImagickPixel('green')); 
  
// Set the text font size 
$draw->setFontSize(50); 
  
$matrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($matrix['textWidth'], $matrix['textHeight'], 
         new ImagickPixel('white')); 
           
// Draw the image          
$im->drawImage($draw); 
$im->setImageResolution(50, 50); 

// getting Resolution of created image
// using getimageresolution function
$res = $im->getImageResolution();
echo "X = ".$res['x'] . "</br>";
echo "Y = ".$res['y'] ." </br>";
?>