Hi again,
I have successfully fixed the “Deprecated” error by refactoring the plugin’s code to comply with the new WooCommerce 10.4 requirements. I am sharing the solution here so you can include it in the next official update.
The Issue:
The function wc_enqueue_js() is deprecated. Also, calling script enqueues inside the init hook is no longer the recommended practice for inline scripts in recent WordPress/WooCommerce versions.
The Fix:
Acess this file:
wp-content/plugins/quantity-field-on-shop-page-for-woocommerce/wc-quantity-field-shop-page.php
Moved the script-related actions from the init hook to the wp_enqueue_scripts hook.
Replaced all wc_enqueue_js calls with wp_add_inline_script.
Modified Code Snippet:
// 1. Updated the constructor hooks:
add_action( 'wp_enqueue_scripts', array( $this, 'woa_quantity_handler' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'woa_confirm_add' ) );
// 2. Updated the handler function:
public function woa_quantity_handler() {
$js = '
jQuery(function($) {
$("form.cart").on("change", "input.qty", function() {
$(this.form).find("[data-quantity]").attr("data-quantity", this.value);
});
$(document.body).on("adding_to_cart", function() {
$("a.added_to_cart").remove();
});
});';
wp_add_inline_script( 'jquery', $js );
}
// 3. Updated the confirmation function:
public function woa_confirm_add() {
$js = '
jQuery(document.body).on("added_to_cart", function( data ) {
jQuery(".added_to_cart").after("<p class=\'confirm_add\'>Item Added</p>");
});';
wp_add_inline_script( 'jquery', $js );
}
This solution stops the “Deprecated” warnings and ensures full compatibility with the latest versions of WordPress and WooCommerce.
And bellow, The full fixed code:
<?php
/*
Plugin Name: Quantity Field on Shop Page for WooCommerce
Plugin URI: http://wooassist.com
Description: Adds a ‘Quantity Field’ on the shop and category pages of your Woocommerce store. This allows the user to change the quantity of a product before adding it to the cart.
Version: 1.4.3
Author: Wooassist
Author URI: http://wooassist.com
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
if ( ! class_exists( 'woa_wqfsp' ) ) :
class woa_wqfsp {
/**
* @var The single instance of the class
*/
private static $_instance = null;
/**
* Main woa_wqfsp Instance
*
* Ensures only one instance of WooCommerce is loaded or can be loaded.
* * @static
* @see woa_wqfsp()
* @return woa_wqfsp main instance
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* woa_wqfsp Constructor.
*/
public function __construct() {
add_action( 'wp_enqueue_scripts', array( $this, 'woa_add_quantity_style' ) );
// IMPORTANTE: Alterado de 'init' para 'wp_enqueue_scripts' para suportar wp_add_inline_script
add_action( 'wp_enqueue_scripts', array( $this, 'woa_quantity_handler' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'woa_confirm_add' ) );
add_filter( 'woocommerce_loop_add_to_cart_link', array( $this, 'woa_add_quantity_fields' ), 10, 2 );
add_filter( 'woocommerce_quantity_input_args', array( $this, 'woa_woocommerce_quantity_input_args' ), 10, 2 );
}
/**
* Add quantity fields.
*/
public function woa_add_quantity_fields($html, $product) {
//add quantity field only to simple products
if ( $product && $product->is_type( 'simple' ) && $product->is_purchasable() && $product->is_in_stock() && ! $product->is_sold_individually() ) {
//rewrite form code for add to cart button
$html = '<form action="' . esc_url( $product->add_to_cart_url() ) . '" class="cart" method="post" enctype="multipart/form-data">';
$html .= woocommerce_quantity_input( array(), $product, false );
$html .= '<button type="submit" data-quantity="1" data-product_id="' . $product->get_id() . '" class="button alt ajax_add_to_cart add_to_cart_button product_type_simple">' . esc_html( $product->add_to_cart_text() ) . '</button>';
$html .= '</form>';
}
return $html;
}
/**
* Adjust the quantity input values
*/
function woa_woocommerce_quantity_input_args( $args, $product ) {
if ( is_singular( 'product' ) && $product->is_type( 'simple' ) && $product->is_purchasable() && $product->is_in_stock() && ! $product->is_sold_individually() ) {
$args['input_value'] = 1; // Starting value (we only want to affect product pages, not cart)
}
$args['max_value'] = $product->get_stock_quantity(); // Maximum value
$args['min_value'] = 0; // Minimum value
$args['step'] = 1; // Quantity steps
return $args;
}
/**
* woa_wqfsp add stylesheet for quantity field.
*/
public function woa_add_quantity_style() {
wp_enqueue_style( 'WQFSP_style', plugins_url( '/css/style.css', __FILE__ ) );
}
/**
* add AJAX support.
* synchs quantity field
* CORRIGIDO: Substituído wc_enqueue_js por wp_add_inline_script
*/
public function woa_quantity_handler() {
$js = '
jQuery(function($) {
$("form.cart").on("change", "input.qty", function() {
$(this.form).find("[data-quantity]").attr("data-quantity", this.value);
});
$(document.body).on("adding_to_cart", function() {
$("a.added_to_cart").remove();
});
});';
wp_add_inline_script( 'jquery', $js );
}
/**
* add checkmark
* CORRIGIDO: Substituído wc_enqueue_js por wp_add_inline_script
*/
public function woa_confirm_add() {
$js = '
jQuery(document.body).on("added_to_cart", function( data ) {
jQuery(".added_to_cart").after("<p class=\'confirm_add\'>Item Added</p>");
});';
wp_add_inline_script( 'jquery', $js );
}
}
endif; // ! class_exists()
/**
* Returns the main instance of woa_wqfsp.
*/
function woa_wqfsp_run() {
return woa_wqfsp::instance();
}
/**
* WC Detection
*/
if ( ! function_exists( 'woa_is_woocommerce_active' ) ) {
function woa_is_woocommerce_active() {
$active_plugins = (array) get_option( 'active_plugins', array() );
if ( is_multisite() ) {
$active_plugins = array_merge( $active_plugins, get_site_option( 'active_sitewide_plugins', array() ) );
}
return in_array( 'woocommerce/woocommerce.php', $active_plugins ) || array_key_exists( 'woocommerce/woocommerce.php', $active_plugins ) ;
}
}
/*
* Initialize
*/
if ( woa_is_woocommerce_active() ) {
woa_wqfsp_run();
}
