Cacodaimon/split_image.php

## split_image.php
<?php
/**
 * Creates some kind of combined image from a given set of images.
 * All images should have the same resolution.
 * Used and explained at www.cacodaemon.de
 *
 * Autor Guido Krömer
 * E-Mail: mail<at>cacodaemon.de
 *
 */
$images = array();
$width = 0;
$height = 0;

foreach ($_FILES['images']['tmp_name'] as $key => $tmpName) {
  if (!isset($tmpName) || empty($tmpName)) {
		continue;
	}

	switch ($_FILES['images']['type'][$key]) {
		case 'image/jpeg':
			$images[$key] = imagecreatefromjpeg($tmpName);
			break;
		case 'image/gif':
			$images[$key] = imagecreatefromgif($tmpName);
			break;
		case 'image/png':
			$images[$key] = imagecreatefrompng($tmpName);
			break;
		default:
			continue;
	}

	$size = @getimagesize($_FILES['images']['tmp_name'][$key]);
	$width = max($width, $size[0]);
	$height = max($height, $size[1]);
}

$newImage = imagecreatetruecolor($width, $height);
$partWidth = intval($width / count($images));
$partHeight = intval($height / count($images));
$lineColor = imagecolorallocate($newImage, 255, 0, 0);
$i = 0;

foreach ($images as $key => $image) {
	switch ($_POST['orientation']) {
		case 'vertical':
			imagecopyresampled( $newImage, $image, $partWidth * $i, 0, $partWidth * $i, 0, $partWidth, $height, $partWidth, $height);

			if ($_POST['lines'] == 'yes' && !empty($i)) {
				imageline($newImage, $partWidth * $i, 0, $partWidth * $i, $height, $lineColor);
			}
			break;
		case 'horizontal':
			imagecopyresampled( $newImage, $image, 0, $partHeight * $i, 0, $partHeight * $i, $width, $partHeight, $width, $partHeight);

			if ($_POST['lines'] == 'yes' && !empty($i)) {
				imageline($newImage, 0, $partHeight * $i, $width, $partHeight * $i, $lineColor);
			}
		default:
			break;
	}
	++$i;
}

imagepng($newImage, $imageUrl = uniqid() . '.png');
imagedestroy($newImage);
header('Location: http://' .$_SERVER["HTTP_HOST"] . '/' . $imageUrl);
exit;

## split_image_upload.php
<html>
	<head>
		<title>Split Image Generator</title>
	</head>
	<body>
		<h1>Split Image Generator</h1>
		<form action="split_image.php" method="post" enctype="multipart/form-data">
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<input type="file" name="images[]"><br />
			<label for="orientation">Orientation</label>
			<select name="orientation" id="orientation">
				<option value="vertical" >Vertical</option>
				<option value="horizontal">Horizontal</option>
			</select><br />
			<label for="lines">Lines</label>
			<select name="lines" id="lines">
				<option value="yes" >Yes</option>
				<option value="no">No</option>
			</select><br />
			<input type="submit" name="submit" value="Submit">
		</form>
	</body>
</html>
	<?php
	/**
	* Creates some kind of combined image from a given set of images.
	* All images should have the same resolution.
	* Used and explained at www.cacodaemon.de
	*
	* Autor Guido Krömer
	* E-Mail: mail<at>cacodaemon.de
	*
	*/
	$images = array();
	$width = 0;
	$height = 0;

	foreach ($_FILES['images']['tmp_name'] as $key => $tmpName) {
	if (!isset($tmpName) \|\| empty($tmpName)) {
	continue;
	}

	switch ($_FILES['images']['type'][$key]) {
	case 'image/jpeg':
	$images[$key] = imagecreatefromjpeg($tmpName);
	break;
	case 'image/gif':
	$images[$key] = imagecreatefromgif($tmpName);
	break;
	case 'image/png':
	$images[$key] = imagecreatefrompng($tmpName);
	break;
	default:
	continue;
	}

	$size = @getimagesize($_FILES['images']['tmp_name'][$key]);
	$width = max($width, $size[0]);
	$height = max($height, $size[1]);
	}

	$newImage = imagecreatetruecolor($width, $height);
	$partWidth = intval($width / count($images));
	$partHeight = intval($height / count($images));
	$lineColor = imagecolorallocate($newImage, 255, 0, 0);
	$i = 0;

	foreach ($images as $key => $image) {
	switch ($_POST['orientation']) {
	case 'vertical':
	imagecopyresampled( $newImage, $image, $partWidth * $i, 0, $partWidth * $i, 0, $partWidth, $height, $partWidth, $height);

	if ($_POST['lines'] == 'yes' && !empty($i)) {
	imageline($newImage, $partWidth * $i, 0, $partWidth * $i, $height, $lineColor);
	}
	break;
	case 'horizontal':
	imagecopyresampled( $newImage, $image, 0, $partHeight * $i, 0, $partHeight * $i, $width, $partHeight, $width, $partHeight);

	if ($_POST['lines'] == 'yes' && !empty($i)) {
	imageline($newImage, 0, $partHeight * $i, $width, $partHeight * $i, $lineColor);
	}
	default:
	break;
	}
	++$i;
	}

	imagepng($newImage, $imageUrl = uniqid() . '.png');
	imagedestroy($newImage);
	header('Location: http://' .$_SERVER["HTTP_HOST"] . '/' . $imageUrl);
	exit;
	<html>
	<head>
	<title>Split Image Generator</title>
	</head>
	<body>
	<h1>Split Image Generator</h1>
	<form action="split_image.php" method="post" enctype="multipart/form-data">
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<input type="file" name="images[]"><br />
	<label for="orientation">Orientation</label>
	<select name="orientation" id="orientation">
	<option value="vertical" >Vertical</option>
	<option value="horizontal">Horizontal</option>
	</select><br />
	<label for="lines">Lines</label>
	<select name="lines" id="lines">
	<option value="yes" >Yes</option>
	<option value="no">No</option>
	</select><br />
	<input type="submit" name="submit" value="Submit">
	</form>
	</body>
	</html>