If you have gallery as custom field then see below example.
i have here application post type. i am implement galley save in this post. Please Check Below Code.
<?php
function plu_admin_enqueue() {
// if(!($condition_to_check_your_page))// adjust this if-condition according to your theme/plugin
// return;
wp_enqueue_script('plupload-all');
wp_register_script('myplupload', get_stylesheet_directory_uri() .'/js/myplupload.js', array('jquery'));
wp_enqueue_script('myplupload');
wp_register_style('myplupload', get_stylesheet_directory_uri() .'/css/myplupload.css');
wp_enqueue_style('myplupload');
}
add_action( 'admin_enqueue_scripts', 'plu_admin_enqueue' );
function plupload_admin_head() {
// place js config array for plupload
$plupload_init = array(
'runtimes' => 'html5,silverlight,flash,html4',
'browse_button' => 'plupload-browse-button', // will be adjusted per uploader
'container' => 'plupload-upload-ui', // will be adjusted per uploader
'drop_element' => 'drag-drop-area', // will be adjusted per uploader
'file_data_name' => 'async-upload', // will be adjusted per uploader
'multiple_queues' => true,
'max_file_size' => wp_max_upload_size() . 'b',
'url' => admin_url('admin-ajax.php'),
'flash_swf_url' => includes_url('js/plupload/plupload.flash.swf'),
'silverlight_xap_url' => includes_url('js/plupload/plupload.silverlight.xap'),
'filters' => array(array('title' => __('Allowed Files'), 'extensions' => '*')),
'multipart' => true,
'urlstream_upload' => true,
'multi_selection' => false, // will be added per uploader
// additional post data to send to our ajax hook
'multipart_params' => array(
'_ajax_nonce' => "", // will be added per uploader
'action' => 'plupload_action', // the ajax action name
'imgid' => 0 // will be added per uploader
)
);
?>
<script type="text/javascript">
var base_plupload_config=<?php echo json_encode($plupload_init); ?>;
</script>
<?php
}
add_action("admin_head", "plupload_admin_head");
function g_plupload_action() {
// check ajax noonce
$imgid = $_POST["imgid"];
check_ajax_referer($imgid . 'pluploadan');
// handle file upload
$status = wp_handle_upload($_FILES[$imgid . 'async-upload'], array('test_form' => true, 'action' => 'plupload_action'));
// send the uploaded file url in response
echo $status['url'];
exit;
}
add_action('wp_ajax_plupload_action', "g_plupload_action");
add_action('add_meta_boxes', 'add_upload_file_metaboxes');
function add_upload_file_metaboxes() {
add_meta_box('swp_file_upload', 'File Upload', 'swp_file_upload', 'appilcations', 'normal', 'default');
}
function swp_file_upload() {
global $post;
//$svalue =get_post_meta( get_the_ID(), 'img1', true );
echo '<input type="hidden" name="podcastmeta_noncename" id="podcastmeta_noncename" value="'.
wp_create_nonce(plugin_basename(__FILE__)).
'" />';
// Noncename needed to verify where the data originated
$id = "img1"; // this will be the name of form field. Image url(s) will be submitted in $_POST using this key. So if $id == “img1” then $_POST[“img1”] will have all the image urls
$svalue = ""; // this will be initial value of the above form field. Image urls.
$multiple = true; // allow multiple files upload
$width = null; // If you want to automatically resize all uploaded images then provide width here (in pixels)
$height = null; // If you want to automatically resize all uploaded images then provide height here (in pixels)
?>
<label>Upload Images</label>
<input type="hidden" name="<?php echo $id; ?>" id="<?php echo $id; ?>" value="<?php echo get_post_meta( get_the_ID(), 'img1', true ); ?>" />
<div class="plupload-upload-uic hide-if-no-js <?php if ($multiple): ?>plupload-upload-uic-multiple<?php endif; ?>" id="<?php echo $id; ?>plupload-upload-ui">
<input id="<?php echo $id; ?>plupload-browse-button" type="button" value="<?php esc_attr_e('Select Files'); ?>" class="button" />
<span class="ajaxnonceplu" id="ajaxnonceplu<?php echo wp_create_nonce($id . 'pluploadan'); ?>"></span>
<?php if ($width && $height): ?>
<span class="plupload-resize"></span><span class="plupload-width" id="plupload-width<?php echo $width; ?>"></span>
<span class="plupload-height" id="plupload-height<?php echo $height; ?>"></span>
<?php endif; ?>
<div class="filelist"></div>
</div>
<div class="plupload-thumbs <?php if ($multiple): ?>plupload-thumbs-multiple<?php endif; ?>" id="<?php echo $id; ?>plupload-thumbs">
</div>
<div class="clear"></div>
<?php
//echo $svalue =get_post_meta( get_the_ID(), 'img1', true );
}
function save_podcasts_meta($post_id, $post) {
// verify this came from the our screen and with proper authorization,
// because save_post can be triggered at other times
if (!wp_verify_nonce($_POST['podcastmeta_noncename'], plugin_basename(__FILE__))) {
return $post -> ID;
}
// Is the user allowed to edit the post?
if (!current_user_can('edit_post', $post -> ID))
return $post -> ID;
// We need to find and save the data
// We'll put it into an array to make it easier to loop though.
$podcasts_meta['img1'] = $_POST['img1'];
// Add values of $podcasts_meta as custom fields
foreach($podcasts_meta as $key => $value) {
if ($post -> post_type == 'revision') return;
$value = implode(',', (array) $value);
if (get_post_meta($post -> ID, $key, FALSE)) { // If the custom field already has a value it will update
update_post_meta($post -> ID, $key, $value);
} else { // If the custom field doesn't have a value it will add
add_post_meta($post -> ID, $key, $value);
}
if (!$value) delete_post_meta($post -> ID, $key); // Delete if blank value
}
}
add_action('save_post', 'save_podcasts_meta', 1, 2); // sav
added myplupload.js and myplupload.css in your theme folder.
jQuery.fn.exists = function() {
return jQuery(this).length > 0;
}
jQuery(document).ready(function($) {
if ($(".plupload-upload-uic").exists()) {
var pconfig = false;
$(".plupload-upload-uic").each(function() {
var $this = $(this);
var id1 = $this.attr("id");
var imgId = id1.replace("plupload-upload-ui", "");
plu_show_thumbs(imgId);
pconfig = JSON.parse(JSON.stringify(base_plupload_config));
pconfig["browse_button"] = imgId + pconfig["browse_button"];
pconfig["container"] = imgId + pconfig["container"];
pconfig["drop_element"] = imgId + pconfig["drop_element"];
pconfig["file_data_name"] = imgId + pconfig["file_data_name"];
pconfig["multipart_params"]["imgid"] = imgId;
pconfig["multipart_params"]["_ajax_nonce"] = $this.find(".ajaxnonceplu").attr("id").replace("ajaxnonceplu", "");
if ($this.hasClass("plupload-upload-uic-multiple")) {
pconfig["multi_selection"] = true;
}
if ($this.find(".plupload-resize").exists()) {
var w = parseInt($this.find(".plupload-width").attr("id").replace("plupload-width", ""));
var h = parseInt($this.find(".plupload-height").attr("id").replace("plupload-height", ""));
pconfig["resize"] = {
width: w,
height: h,
quality: 90
};
}
var uploader = new plupload.Uploader(pconfig);
uploader.bind('Init', function(up) {
});
uploader.init();
// a file was added in the queue
uploader.bind('FilesAdded', function(up, files) {
$.each(files, function(i, file) {
$this.find('.filelist').append('
' +
file.name + ' (' + plupload.formatSize(0) + '/' + plupload.formatSize(file.size) + ') ' + '
');
});
up.refresh();
up.start();
});
uploader.bind('UploadProgress', function(up, file) {
$('#' + file.id + " .fileprogress").width(file.percent + "%");
$('#' + file.id + " span").html(plupload.formatSize(parseInt(file.size * file.percent / 100)));
});
// a file was uploaded
uploader.bind('FileUploaded', function(up, file, response) {
$('#' + file.id).fadeOut();
response = response["response"]
// add url to the hidden field
if ($this.hasClass("plupload-upload-uic-multiple")) {
// multiple
var v1 = $.trim($("#" + imgId).val());
if (v1) {
v1 = v1 + "," + response;
} else {
v1 = response;
}
$("#" + imgId).val(v1);
} else {
// single
$("#" + imgId).val(response + "");
}
// show thumbs
plu_show_thumbs(imgId);
});
});
}
});
function plu_show_thumbs(imgId) {
var $ = jQuery;
var thumbsC = $("#" + imgId + "plupload-thumbs");
thumbsC.html("");
// get urls
var imagesS = $("#" + imgId).val();
var images = imagesS.split(",");
for (var i = 0; i < images.length; i++) {
if (images[i]) {
var thumb = $('
');
thumbsC.append(thumb);
thumb.find("a").click(function() {
var ki = $(this).attr("id").replace("thumbremovelink" + imgId, "");
ki = parseInt(ki);
var kimages = [];
imagesS = $("#" + imgId).val();
images = imagesS.split(",");
for (var j = 0; j < images.length; j++) {
if (j != ki) {
kimages[kimages.length] = images[j];
}
}
$("#" + imgId).val(kimages.join());
plu_show_thumbs(imgId);
return false;
});
}
}
if (images.length > 1) {
thumbsC.sortable({
update: function(event, ui) {
var kimages = [];
thumbsC.find("img").each(function() {
kimages[kimages.length] = $(this).attr("src");
$("#" + imgId).val(kimages.join());
plu_show_thumbs(imgId);
});
}
});
thumbsC.disableSelection();
}
}
