<pre class="wp-block-code"><code>has_term( $terms_id, 'product_cat', $post_id );</code></pre>



<pre class="wp-block-code"><code>if( has_term( array( 'cat1', 'cat2' ), 'product_cat', post_id ) { .... }</code></pre>

Check if product has some category or Tag

<pre class="wp-block-preformatted">//add your order id value here
$order_id = 105;

// Get an instance of the WC_Order Object using the wc_get_order function
// assuming here that we only have the order id in a variable,
// in some cases the order object will be passed directly to an action or filter
$order = wc_get_order( $order_id );

// Get the customer or user id from the order object
$customer_id = $order-&gt;get_customer_id();

//this should return exactly the same number as the code above
$user_id = $order-&gt;get_user_id();

// Get the WP_User Object instance object
$user = $order-&gt;get_user();

// Get the WP_User roles
$user_roles = $user-&gt;roles;

$billing_first_name = $order-&gt;get_billing_first_name();
$billing_last_name = $order-&gt;get_billing_last_name();
$billing_company = $order-&gt;get_billing_company();
$billing_address_1 = $order-&gt;get_billing_address_1();
$billing_address_2 = $order-&gt;get_billing_address_2();
$billing_city = $order-&gt;get_billing_city();
$billing_state = $order-&gt;get_billing_state();
$billing_postcode = $order-&gt;get_billing_postcode();
$billing_country = $order-&gt;get_billing_country();

//note that by default WooCommerce does not collect email and phone number for the shipping address
//so these fields are only available on the billing address
$billing_email = $order-&gt;get_billing_email();
$billing_phone = $order-&gt;get_billing_phone();

$billing_display_data = Array("First Name" =&gt; $billing_first_name,
 "Last Name" =&gt; $billing_last_name,
 "Company" =&gt; $billing_company,
 "Address Line 1" =&gt; $billing_address_1,
 "Address Line 2" =&gt; $billing_address_2,
 "City" =&gt; $billing_city,
 "State" =&gt; $billing_state,
 "Post Code" =&gt; $billing_postcode,
 "Country" =&gt; $billing_country,
 "Email" =&gt; $billing_email,
 "Phone" =&gt; $billing_phone);

// Customer shipping information details
$shipping_first_name = $order-&gt;get_shipping_first_name();
$shipping_last_name = $order-&gt;get_shipping_last_name();
$shipping_company = $order-&gt;get_shipping_company();
$shipping_address_1 = $order-&gt;get_shipping_address_1();
$shipping_address_2 = $order-&gt;get_shipping_address_2();
$shipping_city = $order-&gt;get_shipping_city();
$shipping_state = $order-&gt;get_shipping_state();
$shipping_postcode = $order-&gt;get_shipping_postcode();
$shipping_country = $order-&gt;get_shipping_country();

$shipping_display_data = Array("First Name" =&gt; $billing_first_name,
 "Last Name" =&gt; $shipping_last_name,
 "Company" =&gt; $shipping_company,
 "Address Line 1" =&gt; $shipping_address_1,
 "Address Line 2" =&gt; $shipping_address_2,
 "City" =&gt; $shipping_city,
 "State" =&gt; $shipping_state,
 "Post Code" =&gt; $shipping_postcode,
 "Country" =&gt; $shipping_country);

echo "Retrieving user information from order id - " . $order_id ."&lt;br&gt;&lt;br&gt;";
echo "Customer id from order is " . $customer_id . " the user id is " . $user_id . ", these values should be exactly the same&lt;br&gt;&lt;br&gt;";

echo "Here is the customer's billing address from the order - &lt;br&gt;";
foreach ( $billing_display_data as $key =&gt; $value ) {
 echo $key . ' - ' . $value . "&lt;br&gt;";
}
echo "&lt;br&gt;";

echo "Here is the customer's shipping address from the order - &lt;br&gt;";
foreach ( $shipping_display_data as $key =&gt; $value ) {
 echo $key . ' - ' . $value . "&lt;br&gt;";
}
echo "&lt;br&gt;";

echo "The customer is a member of the following roles - &lt;br&gt;";

foreach ( $user_roles as $value ) {
 echo $value . "&lt;br&gt;";
}</pre>

Woocommerce  order code

1) Update server:



<pre class="wp-block-code"><code>sudo apt-get update &amp;&amp; apt-get upgrade
</code></pre>



2)&nbsp;<a href="https://packages.debian.org/sid/software-properties-common">Prep for PHP repository</a>:



<pre class="wp-block-code"><code>sudo apt -y install software-properties-common
</code></pre>



3) Add&nbsp;<a href="https://deb.sury.org/">PHP repository</a>



<pre class="wp-block-code"><code>sudo add-apt-repository ppa:ondrej/php
</code></pre>



 4) Update repository index



<pre class="wp-block-code"><code>sudo apt-get update
</code></pre>



5) Install php7.4



<pre class="wp-block-code"><code>sudo apt-get install php7.4
</code></pre>



6) Install php extensions (run&nbsp;<code>dpkg -l php7.4*</code>&nbsp;for list) - these are some common ones:



<pre class="wp-block-code"><code>sudo apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y
</code></pre>



Since you’ll now have multiple PHP versions on your server, you’ll want to set this as the default:



<pre class="wp-block-code"><code>update-alternatives --set php /usr/bin/php7.4</code></pre>

PHP Linode PHP Move To 7.4

1. 安裝客戶端（Certbot）



讓我們首先更新軟件包並安裝 Certbot。



<pre class="wp-block-preformatted">$ sudo apt update &amp;&amp; sudo apt install certbot python3-certbot-apache

</pre>



2. 開始會取憑證



<pre id="block-f1ba6815-4d67-4ffe-ae60-6dfc436e080c" class="wp-block-preformatted">$ <code>sudo certbot --apache</code></pre>

Blog

Check if product has some category or Tag

Woocommerce order code

PHP Linode PHP Move To 7.4

Centos 的 Apache 配置 Let’s Encrypt SSL