Pincode Availability Checking in WooCommerce

Copy this code in functions.php, and you will see a input box below ‘Add to cart‘ button.

But before this you have to add pin codes in your admin dashboard -> WooCommerce -> Settings -> Shipping -> Shipping Zones -> Zone Region (list available pin codes here)

// Pincode check --------->
add_action( 'woocommerce_after_add_to_cart_quantity', 'woo_show_some_text', 20 );
 
function woo_show_some_text() {
    echo '<div class="pincodeSearch">
			<label>Delivery</label>
			<input type="text" name="pincode" autocomplete="off" placeholder="Enter Delivery Pincode">
			<div id="pincodeButton">
			    Check <span id="pinLoader">Wait...</span>
			</div>
			<div id="picodeRes"></div>
	</div>';
	?>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
	<script>
		$(document).ready(function(){
		  $("#pincodeButton").click(function(){
			$pincode    = $('input[name="pincode"]').val();
			if($pincode==""){
			    //$('#picodeRes').html('<span style="color:yellow;">Please type pincode</span>');
			    return false;
			}
			$('#pinLoader').show();
			$('#picodeRes').html('');
			$action = 'checkPincode';
			jQuery.ajax({
				type: "POST",
				url: "/wp-admin/admin-ajax.php",
				data: {
					action  :   $action,
					pincode :   $pincode
				},		
				success: function($res){
				    $('#pinLoader').hide();
					if($res=="1"){
					    $('#picodeRes').html('<span style="color:green;">Delivery available</span>');
					}else{
					    $('#picodeRes').html('<span style="color:red;">Sorry! Delivery not available</span>');
					}
				}
			});
		  });
		});
	</script>
	<?php
}

function checkPincode(){
	if(!empty($_POST)){
		if(is_numeric($_POST['pincode']) && $_POST['pincode']!=""){
			$pincode = wp_check_invalid_utf8($_POST['pincode']);
			
			$delivery_zones = WC_Shipping_Zones::get_zones();
			$i=1;
			foreach ( (array) $delivery_zones as $key => $the_zone ) {
    			  $zone_array   = $delivery_zones[$i]['zone_locations'];
    			  $available_pincodes     = array();
    			  foreach($zone_array as $zone_arrayVal){
    			      $available_pincodes[] = $zone_arrayVal->code;
    			  }
    			  if(in_array($pincode, $available_pincodes)){
    			      echo "1";
    			  }else{
    			      echo "0";
    			  }
			  $i++;
			}
			die();
		}else{
			echo'-1';
			die();
		}
	}    
}
add_action( 'wp_ajax_checkPincode', 'checkPincode' );
add_action( 'wp_ajax_nopriv_checkPincode', 'checkPincode' );

// Pincode check --------->

add_action( 'woocommerce_after_add_to_cart_quantity', 'woo_show_some_text', 20 );

function woo_show_some_text() {

echo '<div class="pincodeSearch">

<label>Delivery</label>

Check <span id="pinLoader">Wait...</span>

</div>

</div>';

$(document).ready(function(){

$("#pincodeButton").click(function(){

$pincode = $('input[name="pincode"]').val();

if($pincode==""){

//$('#picodeRes').html('<span style="color:yellow;">Please type pincode</span>');

return false;

}

$('#pinLoader').show();

$('#picodeRes').html('');

$action = 'checkPincode';

jQuery.ajax({

type: "POST",

url: "/wp-admin/admin-ajax.php",

data: {

action : $action,

pincode : $pincode

success: function($res){

$('#pinLoader').hide();

if($res=="1"){

$('#picodeRes').html('<span style="color:green;">Delivery available</span>');

}else{

$('#picodeRes').html('<span style="color:red;">Sorry! Delivery not available</span>');

}

});

</script>

<?php

}

function checkPincode(){

if(!empty($_POST)){

if(is_numeric($_POST['pincode']) && $_POST['pincode']!=""){

$pincode = wp_check_invalid_utf8($_POST['pincode']);

$delivery_zones = WC_Shipping_Zones::get_zones();

$i=1;

foreach ( (array) $delivery_zones as $key => $the_zone ) {

$zone_array = $delivery_zones[$i]['zone_locations'];

$available_pincodes = array();

foreach($zone_array as $zone_arrayVal){

$available_pincodes[] = $zone_arrayVal->code;

}

if(in_array($pincode, $available_pincodes)){

echo "1";

}else{

echo "0";

}

$i++;

}

die();

}else{

echo'-1';

die();

}

add_action( 'wp_ajax_checkPincode', 'checkPincode' );

add_action( 'wp_ajax_nopriv_checkPincode', 'checkPincode' );

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