PHP | Gmagick getimageresolution() Function

The Gmagick::getimageresolution() function is an inbuilt function in PHP which is used to get the resolution of an image object.

Syntax:

array Gmagick::getimageresolution( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns the resolution as an array.

Below program illustrates the Gmagick::getimageresolution() function in PHP:

Original Image 1:

Program 1:

<?php

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

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

Output:

X = 37.8
Y = 37.8

Original Image 2:

Program 2:

<?php

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

// Creating new image of above String
// and add color and background
$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->setImageResolution(50, 50);

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

Output:

X = 50
Y = 50 

Reference: http://php.net/manual/en/gmagick.getimageresolution.php