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PHP | Gmagick getimageunits() Function
  • Last Updated : 08 Mar, 2021

The Gmagick::getimageunits() function is an inbuilt function in PHP that is used to get the units of resolution of a particular image.


int Gmagick::getimageunits( void )

Parameters: This function does not accept any parameter.
Return Value: This function returns an integer containing the resolution of image units.
Below programs illustrate the Gmagick::getimageunits() function in PHP:
Original Image 1: 

Program 1:


// PHP program to illustrate getimageunits function
$image = new Gmagick(
// Use getimageunits Function
$unit = $image->getimageunits();
// Display the output
echo "</br>Units = ";


Units = 2

Original Image 2:

Program 2:


$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
$metrix = $im->queryFontMetrics($draw, $string);
$draw->annotation(0, 40, $string);
$im->newImage($metrix['textWidth'], $metrix['textHeight'],
         new GmagickPixel('white'));
// Draw the image         
// Gmagick function to gets
// units of created image
$res= $im->getimageunits();
// Display the units of image
echo "Units =  ";


Units = 0


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