How to Get Woocommerce Variation Id

How to get Woocommerce Variation ID?

Try this one:

$args = array(
    'post_type'     => 'product_variation',
    'post_status'   => array( 'private', 'publish' ),
    'numberposts'   => -1,
    'orderby'       => 'menu_order',
    'order'         => 'asc',
    'post_parent'   => get_the_ID() // get parent post-ID
);
$variations = get_posts( $args );

foreach ( $variations as $variation ) {

    // get variation ID
    $variation_ID = $variation->ID;

    // get variations meta
    $product_variation = new WC_Product_Variation( $variation_ID );

    // get variation featured image
    $variation_image = $product_variation->get_image();

    // get variation price
    $variation_price = $product_variation->get_price_html();

    get_post_meta( $variation_ID , '_text_field_date_expire', true );

}

Hope this will helps you. For more information:

  • How To Get Product Variations & Meta – WooCommerce
  • How to get the Variation ID in a Woocommerce product

how to get variation id by attributes in woocommerce

I solved the problem this way
I created a function that with the product ID and country attribute ID pulls out the attributes of its charge amount and is called with Ajax.
And then with another function I send the price and information about the amount of charge and finally it is OK

my cods:

<?php

                    foreach ($attributes as $key => $value):
                        $attribute_name_ = preg_replace('/pa_/', '', $key); // GET ATTRIBUTE NAME

                        ?>

                        <div class="<?= ($attribute_name_ == 'regions') ? 'region' : 'charge'; ?>">

                            <?php $attribute_name = wc_get_product_terms(get_the_ID(), $key);

                            $attribute_slug = wc_get_product_terms(get_the_ID(), $key, array('fields' => 'slugs')); // GET ATTRIBUTE SLUG
                            $attribute_name = wc_get_product_terms(get_the_ID(), $key); // GET ATTRIBUTE SLUG
                            $attribute_thumbnail_id = wc_get_product_terms(get_the_ID(), $key, array('fields' => 'term_id')); // GET ATTRIBUTE SLUG

                            for ($i = 0; $i < count($attribute_name); $i++): // array_slice BECAUSE ARRAY INDEX IS NOT SEQUENCIAL

                                $slug = array_slice($attribute_slug, $i, 1);

                                if ($attribute_name_ == 'regions') {

                                    $thumb_id = get_term_meta($attribute_name[$i]->term_id);

                                    $thumb_id_ = get_term_meta($attribute_name[$i]->term_id, 'product_attribute_image', true);

                                    $img_src = wp_get_attachment_thumb_url($thumb_id_);

                                    ?>
                                    <div id="<?= $slug['0'] ?>"
                                         class="region-item">

                                        <img src="<?= $img_src ?>"
                                             alt="">
                                        <span>
                    <?php

                    $name = array_slice($attribute_name, $i, 1);
                    echo $name[0]->name;

                    ?>
                </span>
                                    </div>
                                    <?php

                                }
                                ?>

                            <?php endfor ?>
                        </div>
                    <?php endforeach ?>

                    <div class="buy-btn">
                        <div class="price-section">
                            <div class="price-lable">
                                price : 
                            </div>
                            <div class="price">

                            </div>
                        </div>

                        <a class="add-to-cart" value="">add to cart</a>
                    </div>

my functions :

function get_varible_data()
{

    $producit_id = $_POST['p_id'];
    $region_id = $_POST['region_id'];

    $product = wc_get_product($producit_id);

    $attributes = $product->get_attributes();
    $get_variation_attributes = $product->get_variation_attributes();
    $available_variations = $product->get_available_variations();

    foreach ($available_variations as $available_variation) {
        $regions = $available_variation['attributes']['attribute_pa_regions'];
        $varible_id = $available_variation['variation_id'];
        $charge = $available_variation['attributes']['attribute_pa_charge-amount'];
        $display_price = $available_variation['display_price'];

        $pa_charge_amount_ = 'pa_charge-amount';
        $pa_charge_amount_meta = get_post_meta($available_variation['variation_id'], 'attribute_' . $pa_charge_amount_, true);
        $pa_charge_amount_term = get_term_by('slug', $pa_charge_amount_meta, $pa_charge_amount_);

        if ($region_id === $regions) {

            $vari_g[] = array(
                'group' => $region_id,
                'price' => $display_price,
                'slug' => $charge,
                'id' => $varible_id,
                'name' => $pa_charge_amount_term->name,
            );

            $html = '<div id="' . $varible_id . '" class="charge-item">' . $pa_charge_amount_term->name . '</div>';

            echo $html;
        }
    }

    wp_die();

}

add_action("wp_ajax_get_varible_data", "get_varible_data");
add_action("wp_ajax_nopriv_get_varible_data", "get_varible_data");

function get_varible_ch_data()
{

    $variation_id = $_POST['charge_id'];
    $price = get_post_meta($variation_id, '_price', true);

    echo $price;

    wp_die();

}

add_action("wp_ajax_get_varible_ch_data", "get_varible_ch_data");
add_action("wp_ajax_nopriv_get_varible_ch_data", "get_varible_ch_data");

and my ajax :

<script>

            function request_ajax_call_varible(metodth, id) {

                $('.card-buy').css('cursor', 'wait');
                var hastag = '#';
                var ajaxurl = "<?php bloginfo('url'); ?>/wp-admin/admin-ajax.php";

                if (metodth === 'get_var_id') {

                    jQuery.ajax({

                        type: "POST",
                        url: ajaxurl,
                        dataType: 'html',
                        data: {
                            action: "get_varible_data",
                            p_id: <?= get_the_id() ?>,
                            region_id: id,

                        },

                        success: function (response) {

                            jQuery(hastag + id).addClass('active');
                            jQuery('.charge').html(response);

                            $('.card-buy').css('cursor', 'default');

                        }
                    })
                }

                if (metodth === 'get_price') {

                    var before_link = '<?php bloginfo('url'); ?>/cart/?add-to-cart=';
                    var link = before_link + id;
                    jQuery.ajax({

                        type: "POST",
                        url: ajaxurl,
                        dataType: 'html',
                        data: {
                            action: "get_varible_ch_data",
                            charge_id: id,
                        },

                        success: function (response) {

                            jQuery('.price').html(toFarsiNumber(numberWithCommas(response)) + '<span class="price-symbole">تومان </span>');

                            jQuery(hastag + id).addClass('active');
                            jQuery("a.add-to-cart").attr("href", link)
                            $('.card-buy').css('cursor', 'default');

                        }
                    })
                }
            }

            jQuery('.region-item').click(function (e) {

                $('div.region-item').removeClass('active');
                request_ajax_call_varible('get_var_id', jQuery(this).attr('id'))

            });

            $('div.charge').on('click', 'div.charge-item', function () {

                $('div.charge-item').removeClass('active');
                request_ajax_call_varible('get_price', jQuery(this).attr('id'))

            })

            function numberWithCommas(x) {
                return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
            }

            function toFarsiNumber(n) {
                const farsiDigits = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹'];

                return n
                    .toString()
                    .replace(/\d/g, x => farsiDigits[x]);
            }

            var first_item = $($('.region-item')[0]);
            first_item.ready(function () {

                first_item.addClass('active');
                request_ajax_call_varible('get_var_id', first_item.attr('id'))
            });

            $(document).ready(function () {
                setTimeout(function () {
                    var first_cha = $($('.charge-item')[0]);
                    first_cha.ready(function () {

                        first_cha.addClass('active');

                        request_ajax_call_varible('get_price', first_cha.attr('id'))
                    });
                }, 1000);
            })

        </script>

I hope this method works for you.
If you have another method, please tell me
thank you

Get variations IDs from a variable product in Woocommerce 3

To get the children variation Ids for a variable product, use WC_product get_children() method (that doesn't have/allow any arguments):

// (if needed) Get an instance of the WC_product object (from a dynamic product ID)
$product = wc_get_product($product_id);

// Get children product variation IDs in an array
$children_ids = $product->get_children();

// Get the first ID value
$children_id = reset($children_ids); 
// or 
$children_id = $children_ids[0];

Tested and works.

Woocommerce - get attribute value by variation ID

  • As is often the case, there are different ways, this is one of them.
  • Note that the use of a global variable is not necessarily needed, because you have access to the $product_id you can get the product object via wc_get_product
function custom_product_name( $text, $product_id, $vars_id ) {
    // Get WC_Product_Variation Object
    $variation = wc_get_product( $vars_id );

    // Is a WC_Product
    if ( is_a( $variation, 'WC_Product' ) ) {       
        // Variation name
        $variation_name = implode( ' / ', $variation->get_variation_attributes() );
    
        // Output
        $text = 'Name: ' . $variation_name; 
    }
    
    return $text; 
}
add_filter( 'prefix_xml_feeds_productname_variant', 'custom_product_name', 10, 3 );

How to get Variation ID of Variable Product in WooCommerce?

You can simply use $product->get_id();

add_filter('woocommerce_product_variation_get_regular_price', 'custom_price', 99, 2 );
add_filter('woocommerce_product_variation_get_price', 'custom_price', 99, 2 );

function custom_price( $price, $product )
{
    $variation_id = $product->get_id();

    return get_post_meta( $variation_id, 'custom_field', true );
}

Get product variation id by their product attributes slug values pairs in Woocommerce

The following function uses a very light SQL query to get the variation ID for from a variable product for defined product attributes "color" and "size" term slugs:

function get_product_variation_id( $size, $color, $product_id = 0 ) {
    global $wpdb;

    if ( $product_id == 0 )
        $product_id = get_the_id();

    return $wpdb->get_var( "
        SELECT p.ID
        FROM {$wpdb->prefix}posts as p
        JOIN {$wpdb->prefix}postmeta as pm ON p.ID = pm.post_id
        JOIN {$wpdb->prefix}postmeta as pm2 ON p.ID = pm2.post_id
        WHERE pm.meta_key = 'attribute_pa_color'
        AND pm.meta_value LIKE '$color'
        AND pm2.meta_key = 'attribute_pa_size'
        AND pm2.meta_value LIKE '$size'
        AND p.post_parent = $product_id
    " );
}

Code goes in function.php file of your active child theme (or active theme). Tested and works.

USAGE (2 cases examples):

  1. From a defined variable product ID (where 746 is the parent variable product ID):

    $variation_id = get_product_variation_id( 'large', 'blue', 746 );

  2. On the variable product single product page (No need to define the variable product ID):

    $variation_id = get_product_variation_id( 'large', 'blue' );

Get Product ID and Variation ID from an Order ID from outside wordpress

Using various aspects of the WooCommerce API, this can be accomplished using some version of the following.

$order_id = XXX;

$order = wc_get_order( $order_id ); //returns WC_Order if valid order 
$items = $order->get_items();   //returns an array of WC_Order_item or a child class (i.e. WC_Order_Item_Product)

foreach( $items as $item ) {

    //returns the type (i.e. variable or simple)
    $type = $item->get_type();

    //the product id, always, no matter what type of product
    $product_id = $item->get_product_id();

    //a default
    $variation_id = false;

    //check if this is a variation using is_type
    if( $item->is_type('variable') ) {
        $variation_id = $item->get_variation_id();
    }

    //more code
}

Note the documentation,

wc_get_order();

WC_Order();

WC_Order_Item();

WC_Order_Item_Product();


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