PHP | ImagickDraw comment() Function

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The ImagickDraw::comment() function is an inbuilt function in PHP which is used to add a comment to a vector output stream. The comment is appended at the end of the output stream.

Syntax:

bool ImagickDraw::comment( string $comment )

Parameters: This function accept a single parameter $comment which holds the comment.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below given program illustrates the ImagickDraw::comment() function in PHP:

Program 1:

<?php 
  
//Create a new Imagick object 
$imagick = new Imagick(); 
  
// Create a image on imagick object 
$imagick->newImage(800, 250, 'white'); 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
  
$string = 'This is my comment'; 
  
// Add comment 
$draw->comment($string); 
  
// Get the vector graphics 
$graphics = $draw->getVectorGraphics(); 
  
// Get comment from vector graphics 
$getComment = substr($graphics, 807, strlen($string)); 
  
// Set the font size 
$draw->setFontSize(50); 
  
// Write on image 
$draw->annotation(50, 100, $getComment); 
  
// Render the draw commands 
$imagick->drawImage($draw); 
  
// Show the output 
$imagick->setImageFormat('png'); 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 

Output:

Hello ! This is my comment.

Program 2:

Output:

Reference: https://www.php.net/manual/en/imagickdraw.comment.php

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