Category: WordPress

Add Custom Cart Item Data in WooCommerce

Add custom field in WooCommerce product.

 

Add a Custom Field to Your Product

/**
 * Output engraving field.
 */
function iconic_output_engraving_field() {
	global $product;

	if ( $product->get_id() !== 1741 ) {
		return;
	}

	?>
	

<div class="iconic-engraving-field">
		<label for="iconic-engraving"><?php _e( 'Engraving (10 characters)', 'iconic' ); ?></label>
		<input type="text" id="iconic-engraving" name="iconic-engraving" placeholder="<?php _e( 'Enter engraving text', 'iconic' ); ?>" maxlength="10">
	</div>


	<?php
}

add_action( 'woocommerce_before_add_to_cart_button', 'iconic_output_engraving_field', 10 );

Add Engraving Data to the Cart Item

/**
 * Add engraving text to cart item.
 *
 * @param array $cart_item_data
 * @param int   $product_id
 * @param int   $variation_id
 *
 * @return array
 */
function iconic_add_engraving_text_to_cart_item( $cart_item_data, $product_id, $variation_id ) {
	$engraving_text = filter_input( INPUT_POST, 'iconic-engraving' );

	if ( empty( $engraving_text ) ) {
		return $cart_item_data;
	}

	$cart_item_data['iconic-engraving'] = $engraving_text;

	return $cart_item_data;
}

add_filter( 'woocommerce_add_cart_item_data', 'iconic_add_engraving_text_to_cart_item', 10, 3 );

Display Engraving Data in the Cart

/**
 * Display engraving text in the cart.
 *
 * @param array $item_data
 * @param array $cart_item
 *
 * @return array
 */
function iconic_display_engraving_text_cart( $item_data, $cart_item ) {
	if ( empty( $cart_item['iconic-engraving'] ) ) {
		return $item_data;
	}

	$item_data[] = array(
		'key'     => __( 'Engraving', 'iconic' ),
		'value'   => wc_clean( $cart_item['iconic-engraving'] ),
		'display' => '',
	);

	return $item_data;
}

add_filter( 'woocommerce_get_item_data', 'iconic_display_engraving_text_cart', 10, 2 );

Add engraving text to order.


/**
 * Add engraving text to order.
 *
 * @param WC_Order_Item_Product $item
 * @param string                $cart_item_key
 * @param array                 $values
 * @param WC_Order              $order
 */
function iconic_add_engraving_text_to_order_items( $item, $cart_item_key, $values, $order ) {
	if ( empty( $values['iconic-engraving'] ) ) {
		return;
	}

	$item->add_meta_data( __( 'Engraving', 'iconic' ), $values['iconic-engraving'] );
}

add_action( 'woocommerce_checkout_create_order_line_item', 'iconic_add_engraving_text_to_order_items', 10, 4 );

Reference

Advertisements

Best way to filter featured image text

add_filter( 'admin_post_thumbnail_html', 'add_featured_image_instruction');
function add_featured_image_instruction( $content ) {
	global $post;
	if($post->post_type == 'stores' || $post->post_type == 'dining'){
    	return $content .= '<p>Recommended Size: <b>365px * 246px</b></p>';
	}
	if($post->post_type == 'whats'){
    	return $content .= '<p>Recommended Size: <b>340px * 280px</b></p>';
	}
	return $content;
}

WordPress custom taxonomy custom hierarchical

Custom taxonomy hierarchical with ul li list and checkbox and radio button.


function get_product_taxonomie($taxonomies = 'product_category', $input_type = 'radio', $input_class = 'categoryCheck') {function get_product_taxonomie($taxonomies = 'product_category', $input_type = 'radio', $input_class = 'categoryCheck') { $selected_term = ''; $selected_term_open = ''; if($taxonomies == 'product_category'){ $selected_term = get_query_var('cats'); $selected_term_open = get_query_var('cats'); if(empty($selected_term)){ $selected_term = get_queried_object()->term_id; $selected_term_open = get_queried_object()->term_id; } } else if($taxonomies == 'product_brand'){ $selected_term = get_query_var('brands'); $selected_term_open = get_query_var('brands'); if(empty($selected_term)){ $selected_term = get_queried_object()->term_id; $selected_term_open = get_queried_object()->term_id; } } $selected_term = explode(',', $selected_term); $args = array( 'orderby'           => 'name',  'order'             => 'ASC', 'hide_empty'        => false,  'fields'            => 'all', 'parent'            => 0, 'hierarchical'      => true, 'child_of'          => 0, 'pad_counts'        => false, 'cache_domain'      => 'core' ); $terms = get_terms($taxonomies, $args); $return .= '<ul class="'.$taxonomies.'">';    foreach ( $terms as $term ) { $subterms = get_terms($taxonomies, array( 'parent'   => $term->term_id, 'hide_empty' => false )); $has_sub = ""; if( is_array($subterms) && !empty($subterms) ){ $has_sub = " has-children"; if(in_array_r($subterms, 'term_id', $selected_term_open)){ $has_sub .= " open"; } } $checked = ''; if(in_array($term->term_id, $selected_term)){ $checked = 'checked'; } // return terms (working) $return .= sprintf( '<li id="category-%1$s" class="toggle%6$s"><label><input type="%3$s" value="%1$s" name="%4$s" class="%5$s" %7$s><span>%2$s</span></label>', $term->term_id, $term->name, $input_type, $term->taxonomy, $input_class, $has_sub, $checked #7 ); if( is_array($subterms) && !empty($subterms) )        $return .= '<ul class="children">';
foreach ( $subterms as $subterm ) { $checked = ''; if(in_array($subterm->term_id, $selected_term)){ $checked = 'checked'; } $return .= sprintf( '<li id="category-%1$s" class="toggle"><label><input type="%3$s" value="%1$s" name="%4$s" class="%5$s" %6$s><span>%2$s</span></label>', $subterm->term_id, $subterm->name, $input_type, $term->taxonomy, $input_class, $checked # 6 ); $return .= '</li>'; //end subterms li } if( is_array($subterms) && !empty($subterms) )        $return .= '</ul>'; //end subterms ul $return .= '</li>'; //end terms li } //end foreach term $return .= '</ul>'; return $return;}
/** add current page active class */function in_array_r($array, $key, $val) {    foreach ($array as $item){ if (isset($item->$key) && $item->$key == $val){ return true; } } return false;}

WordPress search Post(news) with ajax

js code


/* All filter news and pagination*/
jQuery('.news-filter .categoryCheck').on( 'change' , function() {
if(!jQuery(this).val()){
jQuery('.news-filter .categoryCheck').prop( "checked", false );
}
load_news_list(0,1);
});

jQuery('.search-btn').on( 'click' , function() {
load_news_list(0,1);
});
jQuery('#srch_keyword').on('keypress', function(e){
if(e.keyCode == '13'){
e.preventDefault();
load_news_list(0,1);
}
});
jQuery('.pagination').on( 'click', '.page-numbers', function( event ) {
event.preventDefault();
page = find_page_number(jQuery(this));
var post_length = jQuery( '.news-div' ).length;
load_news_list( post_length, page);
});

&nbsp;

/* load news list */
function load_news_list(post_length, page) {

var news_cats = jQuery('.categoryCheck:checked').map(function() {return this.value;}).get().join(',');
var year = ( jQuery( '#year' ).length > 0 ) ? jQuery( '#year' ).val() : '';
var monthnum = ( jQuery( '#monthnum' ).length > 0 ) ? jQuery( '#monthnum' ).val() : '';
var search_val = jQuery('#srch_keyword').val();
// jQuery( '.clear-all' ).css( 'display' , 'none' );
if( news_cats.length > 0 ) {
jQuery( '.clear-all' ).css( 'display' , 'inline-block' );
}

jQuery.ajax({
type: "POST",
url: adminurl,
data: { action : 'load_news', news_cats: news_cats, post_length : post_length, year: year, monthnum: monthnum ,search:search_val, page: page},
success: function (result){
var responseData = JSON.parse(result);
jQuery( '.load-more-news' ).remove();
jQuery( '.news-listing' ).empty();
jQuery( '.news-listing' ).append(responseData.news);
jQuery( '.pagination' ).empty()
jQuery( '.pagination' ).append(responseData.pagination);
},
error:function(){
alert("Error: There is some issue please try again.");
},
beforeSend:function(){
jQuery( '.load-result' ).css( 'display' , 'block' );
},
complete: function () {
jQuery( '.load-result' ).css( 'display' , 'none' );
}
});
}

&nbsp;

WordPress code


add_action( 'wp_ajax_nopriv_load_news', 'load_news' );
add_action( 'wp_ajax_load_news', 'load_news' );
function load_news() {
$per_page = 12;
$paged = ( isset($_POST['page']) ) ? $_POST['page'] : 1 ;
$offset = (( $paged - 1 ) * $per_page);
/* if( !empty( $_POST['post_length'] ) ) { */
$post_length = $_POST['post_length'];
//$offset = $post_length;
$nextOffset = $offset + $per_page;
/* } */
$result = '';

$pagination = '';
$newsList = getNewsArray( $offset , $per_page , $_POST );

$result = '<div class="col-sm-12"><header class="page-header">';
$result .= '<h2 class="page-title">Sorry, it seems that we didn&rsquo;t find any results</h2>';
$result .= '</header>';
$result .= '<div class="page-content">';
$result .= '<p>Please try the search function at the top of the page to see if you can find what you&rsquo;re looking for</p>';
$result .= '</div></div>';
if ( $newsList->have_posts() ) {
$result = '';
while ( $newsList->have_posts() ) { $newsList->the_post();
$result .= post_html( $post->ID );
}
}

if($newsList->max_num_pages > 0){
$big = 999999999;
$pagination = paginate_links( array(
'type' => 'plain',
'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
'format' => '?paged=%#%',
'current' => max( 1, $paged ),
'total' => $newsList->max_num_pages,
'prev_next' => true,
'prev_text' => 'Prev',
'next_text' => 'Next',
) );
//$pagination .= football_pagination($newsList->max_num_pages);

} else {
$result .= '<div class="no-more-news"></div>';
}

$data['news'] = $result;
$data['pagination'] = $pagination;
echo json_encode( $data );

die();
}

&nbsp;
function getNewsArray( $offset , $per_page , $newsFilter ) {

$argsNews = array('post_type' => 'post', 'post_status'=> 'publish' , 'posts_per_page' => $per_page , 'offset' => $offset, 'order' => 'desc', 'orderby' => 'date' );

if( !empty($newsFilter['news_cats']) ) {
$cats = explode( ',' , $newsFilter['news_cats'] );
$argsNews['category__in'] = $cats;
}
if(!empty($newsFilter['year'])){
$argsNews['year'] = $newsFilter['year'];
}
if(!empty($newsFilter['monthnum'])){
$argsNews['monthnum'] = $newsFilter['monthnum'];
}
if(!empty($newsFilter['search'])){
$argsNews['s'] = $newsFilter['search'];
}
$newsList = new WP_Query( $argsNews );

return $newsList;
}

 

 

WordPress pagination with custom MySQL query

Simple pagination with custom query


$per_page = 50; # Set per page
$paged = ( get_query_var('paged') != 0 ) ? get_query_var('paged') : 1 ; ## get paged number
$offset = (( $paged - 1 ) * $per_page); ## set offset

$trial_list = football_trial_list(null, $offset, $per_page);

$trial_total = football_trial_list(null,0,-1);
$total = count($trial_total);

$max_num_pages = ceil( $total / $per_page );

$pagination = football_pagination($max_num_pages);

function football_trial_list($post_id = null, $offset = 0, $per_page = 3, $request = null){
global $wpdb;
$user_id = get_current_user_id();
$table_team = $wpdb->prefix . 'trial';

$distance = "";
if(isset($request) && !empty($request)){
if(isset($request['post_code']) && !empty($request['post_code'])){

$address_data = football_get_latitude_longitude($request['post_code']);
$lat = $address_data['lat'];
$lng = $address_data['lng'];

$distance = ", ( 3959 * acos( cos( radians(".$lat.") ) * cos( radians( tr.lat ) ) * cos( radians( tr.lng ) - radians(".$lng.") ) + sin( radians(".$lat.") ) * sin( radians( tr.lat ) ) ) ) AS distance";
}
}

$query = "SELECT tr.*, p.post_title, p.post_content $distance FROM $table_team AS tr ";
$query .= " INNER JOIN ".$wpdb->prefix."posts AS p ON ( tr.post_id = p.ID ) ";
$query .= " WHERE p.post_type = 'trials' AND p.post_status = 'publish' ";

// if get single post data
if(!empty($post_id) && $post_id != null){
$query .= " AND p.ID = $post_id ";
}

if(isset($request) && !empty($request)){
// if(isset($request['post_code']) && !empty($request['post_code'])){
// $query .= " AND tr.postcode LIKE '%".$request['post_code']."%'";
// }

if(isset($request['trial_name']) && !empty($request['trial_name'])){
$query .= " AND p.post_title LIKE '%".$request['trial_name']."%'";
}
if(isset($request['trial_age']) && !empty($request['trial_age'])){
if($request['trial_age'] >= 35)
$query .= " AND tr.trial_age >= ".$request['trial_age']."";
else
$query .= " AND tr.trial_age <= ".$request['trial_age']."";
}

// if(!empty($request['post_code']) && !empty($request['distance_min']) && !empty($request['distance_max'])){
if(!empty($request['post_code'])){
$query .= " HAVING distance BETWEEN ".$request['distance_min']." AND ".$request['distance_max']." ";
}

// Upcoming Trials
if(isset($request['upcoming']) && $request['upcoming'] = true){
$query .= " AND tr.trial_date >= CURDATE()";
}
}
else{
$query .= " AND tr.user_id = $user_id ";
}

// Upcoming Trials
if(isset($request['upcoming']) && $request['upcoming'] = true)
$query .= " ORDER BY tr.trial_date ASC ";
else
$query .= " ORDER BY p.post_date DESC ";

if($per_page != -1){
$query .= " LIMIT $offset, $per_page";
}

// echo $query; #die;
return $wpdb->get_results( $query, OBJECT );
}
// =============================================
// Default pagination
// =============================================
function football_pagination($max_num_pages){

if($max_num_pages > 1){
$big = 999999999;
$pagination = "<div class='toolbar'>";
$pagination .= paginate_links( array(
'type' => 'list',
'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
'format' => '?paged=%#%',
'current' => max( 1, get_query_var('paged') ),
'total' => $max_num_pages,
'prev_next' => true,
'prev_text' => 'Prev',
'next_text' => 'Next',
) );
$pagination .= "</div>";

return $pagination;
}
else{
return '';
}
}

 

WordPress wp_nav_menu() add new custom sub menu item

If some time we need to add new menu item in drop down list. bellow code to we can add sub menu.

See demo image


function dalwadiwp_submenu_item($items, $args) {

$theme_location = 'main-menu';// Theme Location slug
## if ( $args->theme_location == 'main-menu' ) // if we can set menu location then used it.
if ( $args->menu == 19 ) // if we can not set menu location then used direct menu id.
{
// debug($items);
$existing_menu_item_db_id = 701;
$new_menu_item_db_id = 98987; // unique id number
$label = 'Log out';
$url = wp_logout_url(get_permalink());

if ( is_user_logged_in() ) {

// only if user is logged-in, do sub-menu link
$item = array(
'title' => $label,
'menu_item_parent' => $existing_menu_item_db_id,
'ID' => 'log-out',
'db_id' => $new_menu_item_db_id,
'url' => $url,
// 'classes' => array( 'custom-menu-item' )// optionally add custom CSS class
);

$items[] = (object) $item;
}
}
return $items;
}

add_filter('wp_nav_menu_objects', 'dalwadiwp_submenu_item',10 , 2);

 

WordPress remove plugin deactivate link(option) from admin


add_filter( 'plugin_action_links', 'disable_plugin_deactivation', 10, 4 );
function disable_plugin_deactivation( $actions, $plugin_file, $plugin_data, $context ) {


// Remove edit link for all
if ( array_key_exists( 'edit', $actions ) )
unset( $actions['edit'] );


// Remove deactivate link for crucial plugins
if ( array_key_exists( 'deactivate', $actions ) && in_array( $plugin_file, array(
'woocommerce/woocommerce.php',
'contact-form-7/wp-contact-form-7.php'
)))
unset( $actions['deactivate'] );
return $actions;
}

WordPress file protected with user login

Some time we deed to give option to user download PDF, Doc file the protected with user login

On Download action code as like below


foreach($download_list as $list) {
$title = $list['title'];
$download = $list['download']['url'];

$path = get_home_url().'/';
$dir = '';
$resource_src = str_replace($path, $dir, $download);
$data = base64_encode($resource_src.'^'.get_current_user_id());

$url = get_site_url()."/download.php?file=$data";
?>
<li><a href="<?php echo $url; ?>" target="_blank"><?php echo $title; ?></a></li>
<?php
}

Create “download.php” file from root and add below code.


include('wp-load.php');

if( !get_current_user_id() )
{
wp_redirect(site_url('login/'));
exit;
}
$rew = explode('^',base64_decode($_GET['file']));
if($rew[1] != get_current_user_id())
{
wp_redirect(site_url('login/'));
exit;
}
$file = $rew[0];
$all = $_GET['all'];
if(isset($all)) {
if(json_decode($all)) {
$allFiles = json_decode($all);
} else {
$allFiles = explode(',',$all);

}

$zipname = 'images-'.date('YmdHis').'.zip';
$zip = new ZipArchive;
$zip->open($zipname, ZipArchive::CREATE);

foreach ($allFiles as $imgfile) {
$path_parts = pathinfo($imgfile);
$ext = strtolower($path_parts["extension"]);
if($ext != 'php') {
$zip->addFile($imgfile, basename($imgfile));
}
}
$zip->close();
header("Content-type: application/zip");
header("Content-Disposition: attachment; filename=$zipname");
header("Pragma: no-cache");
header("Expires: 0");

readfile($zipname);
unlink($zipname);
}
if(isset($file)) {
download_file($file);
}
function download_file( $fullPath ){

// Must be fresh start
if( headers_sent() )
die('Headers Sent');

// Required for some browsers
if(ini_get('zlib.output_compression'))
ini_set('zlib.output_compression', 'Off');

// File Exists?
if( file_exists($fullPath) ){

// Parse Info / Get Extension
$fsize = filesize($fullPath);
$path_parts = pathinfo($fullPath);
$ext = strtolower($path_parts["extension"]);

// Determine Content Type
switch ($ext) {
case "pdf": $ctype="application/pdf"; break;
case "exe": $ctype="application/octet-stream"; break;
case "zip": $ctype="application/zip"; break;
case "doc": $ctype="application/msword"; break;
case "xls": $ctype="application/vnd.ms-excel"; break;
case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
case "gif": $ctype="image/gif"; break;
case "png": $ctype="image/png"; break;
case "jpeg":
case "jpg": $ctype="image/jpg"; break;
default: $ctype="application/force-download";
}

if($ext != 'php') {
header("Pragma: public"); // required
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false); // required for certain browsers
header("Content-Type: $ctype");
header("Content-Disposition: attachment; filename=\"".basename($fullPath)."\";" );
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".$fsize);
ob_clean();
flush();
readfile( $fullPath );
} else
die('Invalid File');

} else
die('File Not Found');

}