333 lines
11 KiB
PHP
333 lines
11 KiB
PHP
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<?php
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require_once('admin.php');
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if (!current_user_can('edit_posts'))
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die('You do not have permission to edit posts.');
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$wpvarstoreset = array('action', 'post', 'all', 'last', 'link', 'sort', 'start', 'imgtitle', 'descr');
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for ($i=0; $i<count($wpvarstoreset); $i += 1) {
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$wpvar = $wpvarstoreset[$i];
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if (!isset($$wpvar)) {
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if (empty($_POST["$wpvar"])) {
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if (empty($_GET["$wpvar"])) {
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$$wpvar = '';
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} else {
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$$wpvar = $_GET["$wpvar"];
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}
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} else {
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$$wpvar = $_POST["$wpvar"];
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}
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}
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}
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$post = (int) $post;
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switch($action) {
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case 'save':
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// Define acceptable image extentions/types here. Tests will apply strtolower().
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$exts = array('gif' => IMAGETYPE_GIF, 'jpg' => IMAGETYPE_JPEG, 'png' => IMAGETYPE_PNG);
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// Define the error messages for bad uploads.
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$upload_err = array(false,
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"The uploaded file exceeds the <code>upload_max_filesize</code> directive in <code>php.ini</code>.",
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"The uploaded file exceeds the <em>MAX_FILE_SIZE</em> directive that was specified in the HTML form.",
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"The uploaded file was only partially uploaded.",
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"No file was uploaded.",
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"Missing a temporary folder.",
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"Failed to write file to disk.");
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$iuerror = false;
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// Failing any single one of the following tests is fatal.
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// A correct form post will pass this test.
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if ( !isset($_POST['action']) || $_POST['action'] != 'save' || count($_FILES) != 1 || ! isset($_FILES['image']) || is_array($_FILES['image']['name']) )
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$error = 'Invalid form submission. Only submit approved forms.';
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// A successful upload will pass this test.
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elseif ( $_FILES['image']['error'] > 0 )
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$error = $upload_err[$_FILES['image']['error']];
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// A non-empty file will pass this test.
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elseif ( 0 == $_FILES['image']['size'] )
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$error = 'File is empty. Please upload something more substantial.';
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// A correct MIME category will pass this test. Full types are not consistent across browsers.
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elseif ( ! 'image/' == substr($_FILES['image']['type'], 0, 6) )
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$error = 'Bad MIME type submitted by your browser.';
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// An acceptable file extension will pass this test.
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elseif ( ! ( ( 0 !== preg_match('#\.?([^\.]*)$#', $_FILES['image']['name'], $matches) ) && ( $ext = strtolower($matches[1]) ) && array_key_exists($ext, $exts) ) )
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$error = 'Bad file extension.';
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// A valid uploaded file will pass this test.
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elseif ( ! is_uploaded_file($_FILES['image']['tmp_name']) )
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$error = 'Bad temp file. Try renaming the file and uploading again.';
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// A valid image file will pass this test.
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elseif ( function_exists('exif_imagetype') && $exts[$ext] != $imagetype = exif_imagetype($_FILES['image']['tmp_name']) )
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$error = 'Bad image file. Try again, or try recreating it.';
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// An image with at least one pixel will pass this test.
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elseif ( ! ( ( $imagesize = getimagesize($_FILES['image']['tmp_name']) ) && $imagesize[0] > 1 && $imagesize[1] > 1 ) )
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$error = 'The image has no pixels. Isn\'t that odd?';
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// A writable uploads dir will pass this test.
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elseif ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
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$error = $uploads['error'];
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if ( $error )
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// Something wasn't right. Abort and never touch the temp file again.
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die("$error <a href='".basename(__FILE__)."?action=upload&post=$post'>Back to Image Uploading</a>");
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// Increment the file number until we have a unique file to save in $dir
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$number = '';
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$filename = $_FILES['image']['name'];
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while ( file_exists($uploads['path'] . "/$filename") )
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$filename = str_replace("$number.$ext", ++$number . ".$ext", $filename);
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// Move the file to the uploads dir
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$file = $uploads['path'] . "/$filename";
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move_uploaded_file($_FILES['image']['tmp_name'], $file);
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chmod($file, 0775);
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// Compute the URL
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$url = $uploads['url'] . "/$filename";
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// Construct the object array
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$object = array(
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'post_title' => $imgtitle ? $imgtitle : $filename,
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'post_content' => $descr,
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'post_status' => 'object',
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'post_parent' => $post,
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'post_type' => $_FILES['image']['type'],
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'guid' => $url
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);
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// Save the data
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$id = wp_attach_object($object, $post);
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// Generate the object's postmeta.
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$imagesize = getimagesize($file);
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$imagedata['width'] = $imagesize['0'];
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$imagedata['height'] = $imagesize['1'];
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if ( $imagedata['height'] < 96 && $imagedata['width'] < 128 ) {
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$uheight = $imagedata['height'];
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$uwidth = $imagedata['width'];
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} elseif ( $imagedata['width'] / $imagedata['height'] > 4 / 3 ) {
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$uwidth = 128;
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$uheight = $imagedata['height'] / $imagedata['width'] * $uwidth;
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} else {
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$uheight = 96;
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$uwidth = $imagedata['width'] / $imagedata['height'] * $uheight;
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}
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$imagedata['hwstring_small'] = "height='$uheight' width='$uwidth'";
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$imagedata['file'] = $file;
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if ( false == add_post_meta($id, 'imagedata', $imagedata) )
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die("failed to add_post_meta");
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header("Location: ".basename(__FILE__)."?post=$post&all=$all&action=view&last=true");
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die;
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case 'upload':
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?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<script type="text/javascript">
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function validateImageName() {
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/* This is more for convenience than security. Server-side validation is very thorough.*/
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obj = document.getElementById('upload');
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r = /.jpg$|.gif$|.png$/i;
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if ( obj.value.match(r) )
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return true;
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alert('Please select a JPG, PNG or GIF file.');
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obj.parentNode.reset();
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return false;
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}
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function cancelUpload() {
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o = document.getElementById('uploadForm');
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o.method = 'GET';
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o.action.value = 'view';
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o.submit();
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}
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</script>
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<style type="text/css">
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label {
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float: left;
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width: 18%;
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}
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#title, #descr {
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width: 80%;
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margin-top: 2px;
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}
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#descr {
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height: 3em;
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v-align: top;
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}
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#buttons {
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width: 98%;
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text-align: right;
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}
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</style>
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</head>
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<body>
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<form enctype="multipart/form-data" id="uploadForm" method="POST" action="image-uploading.php" onsubmit="return validateImageName()">
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<label for="upload">Image:</label><input type="file" id="upload" name="image" onchange="validateImageName()" /><br />
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<label for="title">Title:</label><input type="text" id="title" name="imgtitle" /><br />
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<label for="descr">Description:</label><input type="textarea" name="descr" id="descr" value="" /><br />
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<input type="hidden" name="action" value="save" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="hidden" name="all" value="<?php echo $all; ?>" />
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<div id="buttons">
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<input type="submit" value="Upload" />
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<input type="button" value="Cancel" onclick="cancelUpload()" />
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</div>
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</form>
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</body>
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</html>
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<?php
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break;
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case 'view':
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if ( $post && empty($all) )
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$and_post = "AND post_parent = '$post'";
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if ( $last )
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$start = $wpdb->get_var("SELECT count(ID) FROM $wpdb->posts WHERE post_status = 'object' AND left(post_type, 5) = 'image' $and_post") - 5;
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else
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$start = (int) $start;
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if ( $start < 0 )
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$start = 0;
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if ( '' == $sort )
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$sort = "ID";
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$images = $wpdb->get_results("SELECT ID, post_date, post_title, guid FROM $wpdb->posts WHERE post_status = 'object' AND left(post_type, 5) = 'image' $and_post ORDER BY $sort LIMIT $start, 10", ARRAY_A);
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//if ( count($images) == 0 )
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// header("Location: ".basename(__FILE__)."?post=$post&all=$all&action=upload");
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if ( count($images) > 5 ) {
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$next = $start + count($images) - 5;
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} else {
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$next = false;
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}
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if ( $start > 0 ) {
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$back = $start - 5;
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if ( $back < 1 )
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$back = '0';
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} else {
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$back = false;
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}
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?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<style type="text/css">
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form {
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display: inline;
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}
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#images, #buttons {
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position: absolute;
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left: 0px;
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width: 98%;
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text-align: center;
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}
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#images {
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top: 0px;
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}
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#buttons {
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top: 112px;
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}
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</style>
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</head>
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<body>
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<div id="images">
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<?php
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if ( count($images) > 0 ) {
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$imagerow = '';
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$i = 1;
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foreach ( $images as $image ) {
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if ( $i++ > 5 ) break;
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$image = array_merge($image, get_post_meta($image['ID'], 'imagedata', true) );
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?>
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<a href="<?php echo $image['guid']; ?>" disabled="true">
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<img src="<?php echo $image['guid']; ?>" alt="<?php echo $image['post_title']; ?>" <?php echo $image['hwstring_small']; ?> />
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</a>
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<?php
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}
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}
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?>
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<div>
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<div id="buttons">
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="view" />
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<input type="hidden" name="all" value="<?php echo $all; ?>" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="hidden" name="start" value="0" />
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<input type="submit" value="| < <" <?php if ( false === $back ) echo 'disabled="true" ' ?>/>
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</form>
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="view" />
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<input type="hidden" name="all" value="<?php echo $all; ?>" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="hidden" name="start" value="<?php echo $back; ?>" />
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<input type="submit" value="< < < < <" <?php if ( false === $back ) echo 'disabled="true" ' ?>/>
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</form>
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="upload" />
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<input type="hidden" name="all" value="<?php echo $all; ?>" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="submit" value="Upload New" />
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</form>
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<?php if ( $all ) : ?>
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="view" />
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<input type="hidden" name="all" value="" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="submit" value="Browse Attached" />
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</form>
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<?php else : ?>
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="view" />
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<input type="hidden" name="all" value="true" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="submit" value="Browse All" />
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</form>
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<?php endif; ?>
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="view" />
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<input type="hidden" name="all" value="<?php echo $all; ?>" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="hidden" name="start" value="<?php echo $next; ?>" />
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<input type="submit" value="> > > > >" <?php if ( false === $next ) echo 'disabled="true" ' ?>/>
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</form>
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<form action="image-uploading.php" method="GET">
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<input type="hidden" name="action" value="view" />
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<input type="hidden" name="all" value="<?php echo $all; ?>" />
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<input type="hidden" name="post" value="<?php echo $post; ?>" />
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<input type="hidden" name="last" value="true" />
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<input type="submit" value="> > |" <?php if ( false === $next ) echo 'disabled="true" ' ?>/>
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</form>
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</div>
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<?php // echo "<pre>".print_r($images,1)."</pre>";
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?>
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</body>
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</html>
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<?php
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die;
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default:
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die('This script was not meant to be called directly.');
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}
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?>
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