PHP | Imagick getImageUnits() Function

The Imagick::getImageUnits() function is an inbuilt function in PHP which is used to get the units of resolution of a particular image.
Syntax:

int Imagick::getImageUnits( void )

Parameters: This function does not accepts any parameter.

Return Value: This function returns an integer of the image units of resolution.

Below programs illustrate the Imagick::getImageUnits() function in PHP:
Program 1:
Original Image:

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<?php
  
// PHP program to illustrate getiamgeunits function
$image = new Imagick(
  
// Use getImageUnits Function
$unit = $image->getImageUnits();
  
// Display the output
echo "</br>units = ";
print_r($unit);
?>

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Output:



Units = 2

Program 2:
https://cdncontribute.geeksforgeeks.org/wp-content/uploads/Screenshot-from-2018-10-16-23-23-54-1.png

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<?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); 
    
$metrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($metrix['textWidth'], $metrix['textHeight'], 
         new ImagickPixel('white')); 
             
// Draw the image          
$im->drawImage($draw); 
    
// Imagick function to gets 
// units of created image
$res= $im->getImageUnits();
      
// Display the units of image
echo "Units =  ";
print_r($res);
?> 

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Output:

Units = 0

Reference: http://php.net/manual/en/imagick.getimageunits.php



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