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("neveropen");   // Display the comment echo $image->getImageProperty("comment");   ?> |
Output:
neveropen
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
