aahelali

<?php
/**
 * Extend WordPress search to include custom fields
 *
 * https://adambalee.com/search-wordpress-by-custom-fields-without-a-plugin/
 */

/**
 * Join posts and postmeta tables
 *

aahelali

<?php 
/**
* first show in stack products in woocommerce loop
* last show out of stack products in woocommerce loop
*/
add_filter( 'posts_clauses', 'wcss_manage_wp_posts_be_qe_posts_clauses', 1, 2 );
function wcss_manage_wp_posts_be_qe_posts_clauses( $pieces, $query ) {
	global $wpdb;
	
	if ( ($query->is_main_query() && is_archive() && is_woocommerce())

aahelali

<?php 
/*
* Best way to remove out of stack products from related products
*/
add_filter('woocommerce_product_related_posts_query','aah_product_related_posts_query', 10, 2);
function aah_product_related_posts_query( $query, $product_id ) {
	
	global $wpdb;
	$query['join']  .= " LEFT JOIN wp_postmeta ON ( p.ID = wp_postmeta.post_id )";
	$query['where']  .= " AND ( wp_postmeta.meta_key = '_stock_status' AND wp_postmeta.meta_value = 'instock' )";

hallaji

Iranian National Identifier Validator

A validator for Iranian (Persian) national identifier or social number

Languages

c#, java, javascript, php

Types

parameter: string (It doesn't support arabic or persian numbers)
return: boolean