encoderit-arman

	<?php
				$total_pages = $product_data->max_num_pages;
				$current_page = (isset($_GET['page'])) ? $_GET['page'] : 1;
				if ($current_page == 1) {
					$prev_page = false;
				} else {
					$prev_page = $current_page - 1;
				}

				if ($current_page == $total_pages) {

encoderit-arman

$post_id = wp_insert_post($array);//create new post and save its id
$img = media_sideload_image( $url, $post_id);//download image to wpsite from url
$img = explode("'",$img)[1];// extract http.... from <img src'http...'>
$attId = attachment_url_to_postid($img);//get id of downloaded image
set_post_thumbnail( $post_id, $attId );//set the given image as featured image for the post

encoderit-arman

if (isset($_POST["data"])) {

    // Get file extension
    $file_extension = pathinfo($_FILES["data"]["name"], PATHINFO_EXTENSION);
    // Validate file input to check if is not empty
    if (!file_exists($_FILES["data"]["tmp_name"])) {
        $response = array(
            "type" => "error",
            "message" => "File input should not be empty."
        );

encoderit-arman

//Saving
add_action('save_post', 'custom_save_function');

//Trashing
add_action('wp_trash_post', 'custom_trash_function');

//Restoring
add_action('untrash_post', 'custom_restore_function');

//Deleting

encoderit-arman

// inline js
   <img src="https://secure.gravatar.com/avatar?d=wavatar" onload="javascript: alert('success')" onerror="javascript: alert('failure')" />
    
    
// external js

  <img src="https://secure.gravatar.com/avatar?d=wavatar"/>

  window.addEventListener("load", event => {
      var image = document.querySelector('img');

encoderit-arman

/** --------------Short version **/
/* WP_HTML_Compression */
function HTML_Compression($str){
	$str = preg_replace('/<!--.*?-->/', '', $str);
	$str = str_replace(' />', '/>', $str);
	$str = preg_replace("((<pre.*?>|<code>).*?(</pre>|</code>)(*SKIP)(*FAIL)"."|\r|\n|\t)is", "", $str);
	$str = preg_replace("((<pre.*?>|<code>).*?(</pre>|</code>)(*SKIP)(*FAIL)"."|\s+)is", " ", $str);
		return $str;
}
function HTML_Compression_finish($html){

encoderit-arman

jQuer - 

    jQuery('body').trigger('update_checkout');
    
    
  /* to update info on your checkout page, you need to trigger the update_checkout function
     so add this in your javascript file for your theme or plugin
  */
  /* what this does is update the order review table but what it doesn't do is update shipping costs;
     the calculate_shipping function of your shipping class will not be called again;

encoderit-arman

function namespace_force_individual_cart_items( $cart_item_data, $product_id ) {
  $unique_cart_item_key = md5( microtime() . rand() );
  $cart_item_data['unique_key'] = $unique_cart_item_key;

  return $cart_item_data;
}
add_filter( 'woocommerce_add_cart_item_data', 'namespace_force_individual_cart_items', 10, 2 );

encoderit-arman

	foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) {
			if ($cart_item['product_id'] == $product_id) {
				WC()->cart->remove_cart_item($cart_item_key);
				break;
			}
		}

encoderit-arman

function display_product_review($product_id) {

    $product = wc_get_product( $product_id );
    $comments = get_approved_comments( $product->id );

    $product_link = '/product/' . $product->post->post_name . "/#tab-reviews/";

    if ( !empty ($comments) ) {
        echo $comments[0]->comment_content . '<br><a href="'. $product_link . '">Read more reviews...</a>';
    } else {