Source<?php # Script 11.2 - upload_image.php
// Check if the form has been submitted:
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
// Check for an uploaded file:
if (isset($_FILES['upload']) && $_FILES['upload']['error'] == 0) {
// Validate the type. Should be JPEG/JPG, PNG or GIF.
$tempName = $_FILES['upload']['tmp_name'];
$fileName = $_FILES['upload']['name'];
$type = exif_imagetype($tempName);
$allowedFormats = array('1','2','3'); //accepts gif, jpg/jpeg, png
if (in_array($type, $allowedFormats)) {
// Move the file over.
if (move_uploaded_file ($tempName, UPLOAD_DIR."/{$fileName}")) {
createThumbnail($fileName,$type);
$image_size = getimagesize(UPLOAD_DIR."/$fileName");
$thumbnail = getThumbnail($fileName);
echo "<div class=\"message\">Thank you. Your file has been uploaded!<br /><a title=\"view uploaded image\" href=\"javascript:create_window('$fileName',$image_size[0],$image_size[1])\">".$thumbnail."</a></div>";
} // End of move... IF.
} else { // Invalid type.
echo '<p class="error">Image not uploaded. Format must be JPG/JPEG, GIF or PNG.</p>';
}
} // End of isset($_FILES['upload']) IF.
// Check for an error:
if ($_FILES['upload']['error'] > 0) {
echo '<p class="error">The file could not be uploaded.<br />';
// Print a message based upon the error.
switch ($_FILES['upload']['error']) {
case 1:
print 'The file exceeds the upload_max_filesize setting in php.ini.';
break;
case 2:
print 'The file exceeds the MAX_FILE_SIZE setting in the HTML form.';
break;
case 3:
print 'The file was only partially uploaded.';
break;
case 4:
print 'No file was uploaded.';
break;
case 6:
print 'No temporary folder was available.';
break;
case 7:
print 'Unable to write to the disk.';
break;
case 8:
print 'File upload stopped.';
break;
default:
print 'A system error occurred.';
break;
} // End of switch.
print '</p>';
} // End of error IF.
// Delete the file if it still exists:
if (file_exists ($_FILES['upload']['tmp_name']) && is_file($_FILES['upload']['tmp_name']) ) {
unlink ($_FILES['upload']['tmp_name']);
}
} // End of the submitted conditional.
?>
<form enctype="multipart/form-data" action="" method="post">
<input type="hidden" name="MAX_FILE_SIZE" value="524288" />
<fieldset><legend>Select a GIF, JPEG/JPG or PNG image of 512KB or smaller to be uploaded:</legend>
<p class="file-upload-container">
<label for="f">File:</label>
<input id="f" type="file" name="upload" />
<input type="submit" name="submit" value="Upload" />
</p>
</fieldset>
</form>