Functions - Themespress

Intermediate

Display the Number of Posts with Draft Status in Admin Menu

Posted on 20 October 2016 by Daniel

This tutorial will show you how to add a new function in your WordPress admin which will display the number of posts and post-type with a Draft status. This function

Intermediate

Free Shipping for WooCommerce

Posted on 21 August 2016 by Daniel

There are different ways to configure free shipping for specific WooCommerce produits. We recommend using a filter that will assign free shipping to WooCommerce via their IDs. We will use

Easy

Limit your Excerpts in a WordPress theme

Posted on 9 August 2016 by Daniel

This tutorial will show you how to create a function that will set a limit of characters for your excerpts in the WordPress theme you're using. We trigger a simple

Easy

Crop / Resize images in WordPress templates

Posted on 13 June 2016 by Daniel

This tutorial will set up something similar of TimThumb where you can efficiently crop and resize WordPress images. It allows us to avoid using primary WordPress functions such as adding

Afficher le total des produits WooCommerce

function mon_site_afficher_total_produits() {
	if ( ! post_type_exists( 'product' ) ) {
		return '';
	}

	$product_counts = wp_count_posts( 'product' );
	$total_products = isset( $product_counts->publish ) ? (int) $product_counts->publish : 0;

	return esc_html( number_format_i18n( $total_products ) );
}
add_shortcode( 'total_produits', 'mon_site_afficher_total_produits' );

Rapport CA 3 Dernières Années – Dashboard WP

// 1. Ajouter un widget personnalisé au tableau de bord WordPress
add_action( 'wp_dashboard_setup', 'ajouter_widget_statistiques_3_ans' );

function ajouter_widget_statistiques_3_ans() {
    wp_add_dashboard_widget(
        'statistiques_ventes_3_ans',
        '📊 Bilan des Ventes (3 Dernières Années)',
        'afficher_contenu_widget_statistiques'
    );
}

// 2. Requête SQL directe et affichage des résultats
function afficher_contenu_widget_statistiques() {
    global $wpdb;

    $annee_actuelle = (int) date( 'Y' );
    $annee_depart   = $annee_actuelle - 2; // Inclus l'année en cours + les 2 précédentes

    // Requête SQL compatible avec les tables WooCommerce modernes (HPOS) et classiques (wp_posts)
    $sql = "
        SELECT 
            YEAR(p.post_date) AS annee,
            COUNT(p.ID) AS total_commandes,
            SUM(pm.meta_value) AS chiffre_affaires
        FROM {$wpdb->posts} p
        INNER JOIN {$wpdb->postmeta} pm ON p.ID = pm.post_id
        WHERE p.post_type = 'shop_order'
          AND p.post_status IN ('wc-completed', 'wc-processing')
          AND pm.meta_key = '_order_total'
          AND YEAR(p.post_date) >= %d
        GROUP BY YEAR(p.post_date)
        ORDER BY annee DESC
    ";

    $resultats = $wpdb->get_results( $wpdb->prepare( $sql, $annee_depart ) );

    if ( empty( $resultats ) ) {
        echo '<p>Aucune commande terminée ou en cours de traitement trouvée pour ces 3 dernières années.</p>';
        return;
    }

    echo '<table style="width:100%; border-collapse: collapse; text-align: left;">';
    echo '<tr style="border-bottom: 2px solid #ccc; font-weight: bold;">
            <th style="padding: 8px;">Année</th>
            <th style="padding: 8px;">Commandes</th>
            <th style="padding: 8px;">Total CA</th>
          </tr>';

    foreach ( $resultats as $ligne ) {
        echo '<tr style="border-bottom: 1px solid #eee;">';
        echo '<style>td { padding: 8px; }</style>';
        echo '<td><strong>' . esc_html( $ligne->annee ) . '</strong></td>';
        echo '<td>' . esc_html( number_format_i18n( $ligne->total_commandes ) ) . '</td>';
        echo '<td>' . wc_price( $ligne->chiffre_affaires ) . '</td>';
        echo '</tr>';
    }

    echo '</table>';
}

Définir un montant minimum de commande obligatoire

// 1. Afficher l'avertissement sur la page panier et le checkout
add_action( 'woocommerce_before_cart', 'afficher_notice_montant_minimum' );
add_action( 'woocommerce_checkout_process', 'afficher_notice_montant_minimum' );

function afficher_notice_montant_minimum() {
    $minimum = 100; // Montant minimum requis
    
    if ( WC()->cart->subtotal < $minimum ) {
        $message = sprintf( 
            'Le montant minimum de commande est de %s. Votre sous-total actuel est de %s.', 
            wc_price( $minimum ), 
            wc_price( WC()->cart->subtotal ) 
        );

        if ( is_cart() ) {
            wc_print_notice( $message, 'error' );
        } else {
            wc_add_notice( $message, 'error' );
        }
    }
}

// 2. Retirer le bouton "Commander" de la page panier sous le seuil
add_action( 'woocommerce_proceed_to_checkout', 'masquer_bouton_commander_si_seuil_non_atteint', 1 );

function masquer_bouton_commander_si_seuil_non_atteint() {
    $minimum = 100; // Montant minimum requis
    
    if ( WC()->cart->subtotal < $minimum ) {
        // Supprime l'action par défaut qui affiche le bouton "Valider la commande"
        remove_action( 'woocommerce_proceed_to_checkout', 'woocommerce_button_proceed_to_checkout', 20 );
    }
}

Des tutoriels et ressources WordPress

Tag: Functions

Display the Number of Posts with Draft Status in Admin Menu

Free Shipping for WooCommerce

Limit your Excerpts in a WordPress theme

Crop / Resize images in WordPress templates