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PHP | Gmagick commentImage() Function

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The Gmagick::commentImage() function is an inbuilt function in PHP which is used to add the comment in an image. Syntax:
Gmagick Gmagick::commentImage( $comment )
Parameters: This function accepts a single parameter $comment which is used to hold the comment. Return Value: This function returns the Gmagick object with comment added. Below programs illustrate the Gmagick::commentImage() function in PHP: Program 1: Original Image:
<?php 
// require_once('vendor/autoload.php');
   
// Create an Gmagick Object
$image = new Gmagick(
   
// Add comment to the image 
$image->commentImage("GeeksforGeeks");
  
// Display the comment 
echo $image->getImageProperty("comment");
  
?>

                    
Output:
GeeksforGeeks
Program 2: Image created by Gmagick Function:
<?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);
  
// Function to add border image
$im->borderImage(new GmagickPixel('Blue'), 5, 5);
  
// Function to add comment
$im->commentImage("G4G");
  
// Function to set the image format
$im->setImageFormat('png');
   
// Printing Added Comment 
echo $im->getImageProperty("comment");
?>

                    
Output:
G4G
Reference: http://php.net/manual/en/gmagick.commentimage.php

Last Updated : 28 Aug, 2019
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