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如何檢查 WooCommerce 用戶過去是否進行過購買?

Patricia Arquette
Patricia Arquette原創
2024-11-14 14:32:021050瀏覽

How to Check if a WooCommerce User Has Made Past Purchases?

檢查WooCommerce 中的購買歷史記錄

問題:

問題:

您希望建立外掛程式為有購買歷史的客戶提供獨家優惠。挑戰在於確定用戶過去是否有進行過購買。

解決方案:

檢查客戶過去的購買
function has_bought( $value = 0 ) {
    // Handling for registered users
    if ( is_numeric( $value) ) { 
        // Use current user ID if not provided
        $meta_key   = '_customer_user';
        $meta_value = $value == 0 ? (int) get_current_user_id() : (int) $value;
    } 
    // Handling for guest users
    else { 
        $meta_key   = '_billing_email';
        $meta_value = sanitize_email( $value );
    }
    
    global $wpdb;
    
    // Determine if any paid orders exist
    $paid_order_statuses = array_map( 'esc_sql', wc_get_is_paid_statuses() );

    $count = $wpdb->get_var( $wpdb->prepare("
        SELECT COUNT(p.ID) FROM {$wpdb->prefix}posts AS p
        INNER JOIN {$wpdb->prefix}postmeta AS pm ON p.ID = pm.post_id
        WHERE p.post_status IN ( 'wc-" . implode( ""','wc-", $paid_order_statuses ) . ""' )
        AND p.post_type LIKE 'shop_order'
        AND pm.meta_key = '%s'
        AND pm.meta_value = %s
        LIMIT 1
    ", $meta_key, $meta_value ) );

    // Return true if at least one paid order exists
    return $count > 0;
}

要檢查客戶過去是否進行過任何購買,您可以利用無縫處理註冊用戶和訪客用戶的自訂函數:

使用範例:

if( has_bought() )
    echo '<p>You have already made a purchase</p>';
else
    echo '<p>Welcome, for your first purchase you will get a discount of 10%</p>';

範例1: 檢查目前登入顧客的購買狀況

// Define the user ID
$user_id = 85;

if( has_bought( $user_id ) )
        echo '<p>customer have already made a purchase</p>';
    else
        echo '<p>Customer with 0 purchases</p>';

範例2: 檢查特定使用者ID 的購買狀況

// Define the billing email (string)
$email = '[email protected]';

if( has_bought( $email ) )
        echo '<p>customer have already made a purchase</p>';
    else
        echo '<p>Customer with 0 purchases</p>'
範例3: 透過訪客用戶的帳單電子郵件檢查購買狀況

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