Replaces "Buy" button with "More Details" button on list of products (WooCommerce). For example on category pages.

replace-buy-button-with-more-details.php

<?php

/**
 * Removes the "Buy" button from list of products (ex. category pages).
 */
add_action( 'woocommerce_after_shop_loop_item', 'mycode_remove_add_to_cart_buttons', 1 );
function mycode_remove_add_to_cart_buttons() {
    remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart' );
}

/**
 * Adds a "More Details" button on list of products (ex. category pages).
 */
add_action( 'woocommerce_after_shop_loop_item', 'mycode_add_more_info_buttons', 1 );
function mycode_add_more_info_buttons() {
    add_action( 'woocommerce_after_shop_loop_item', 'mycode_more_info_button' );
}

function mycode_more_info_button() {
	global $product;
	echo '<a href="' . get_permalink( $product->id ) . '" class="button add_to_cart_button product_type_external">More Details</a>';
}