(PECL imagick 2.0.0)
Imagick::commentImage — Adds a comment to your image
本函数还未编写文档，仅有参数列表。
Adds a comment to your image.
The comment to add
Returns TRUE on success.
Throws ImagickException on error.
Example #1 Using Imagick::commentImage():
Commenting an image and retrieving the comment:
<?php
/* Create new Imagick object */
$im = new imagick();
/* Create an empty image */
$im->newImage(100, 100, new ImagickPixel("red"));
/* Add comment to the image */
$im->commentImage("Hello World!");
/* Display the comment */
echo $im->getImageProperty("comment");
?>