Mini Cart

<?php 

//functions php
add_filter( 'woocommerce_add_to_cart_fragments', 'woocommerce_header_add_to_cart_fragment' );
function woocommerce_header_add_to_cart_fragment( $fragments ) {
	global $woocommerce;

    ob_start();
    ?>
   	<a class="cart-contents" href="<?php echo wc_get_cart_url(); ?>" title="<?php esc_html_e('View your shopping cart', 'text_domain'); ?>">
        <span class="htc__qua"><?php echo esc_html( $woocommerce->cart->cart_contents_count ); ?></span>
    </a>
    <?php

    $fragments['a.cart-contents'] = ob_get_clean();

    return $fragments;
}

//where need
global $woocommerce;
<a class="cart-contents" href="<?php echo wc_get_cart_url(); ?>" title="<?php _e('View your shopping cart', 'text_domain'); ?>">
    <span class="htc__qua"><?php echo esc_html( $woocommerce->cart->cart_contents_count ); ?></span></a>