(PECL imagick 2, PECL imagick 3)
Imagick::appendImages — Append a set of images
Append a set of images into one larger image.
Returns Imagick instance on success.
Throws ImagickException on error.
Example #1 Imagick::appendImages() example
<?php
/* Create new imagick object */
$im = new Imagick();
/* create red, green and blue images */
$im->newImage(100, 50, "red");
$im->newImage(100, 50, "green");
$im->newImage(100, 50, "blue");
/* Append the images into one */
$im->resetIterator();
$combined = $im->appendImages(true);
/* Output the image */
$combined->setImageFormat("png");
header("Content-Type: image/png");
echo $combined;
?>The above example will output something similar to:
# How to combine a multi-page pdf file into a single long image:
<?php
$im1 = new Imagick();
$im1->readImage('multi-page-pdf.pdf');
$im1->resetIterator();
# Combine multiple images into one, stacked vertically.
$ima = $im1->appendImages(true);
$ima->setImageFormat("png");
header("Content-Type: image/png");
echo $ima;
?># change $ima to $ima->getimagesblob()
<?php
$im1 = new Imagick();
$im1->readImage('multi-page-pdf.pdf');
$im1->resetIterator();
# Combine multiple images into one, stacked vertically.
$ima = $im1->appendImages(true);
$ima->setImageFormat("png");
header("Content-Type: image/png");
echo $ima->getimagesblob();
?>Sometimes when running this code on a long running apache24 instance on a server with minimal memory the final "echo $ima;" returns an empty string.
Doing an "apache graceful" seems to clear this up. There appears to be no other way to correct OR DETECT this problem. Suckky.