How to get user_meta value for new user regsitered?

We have a customized the registration process. Users register themselves. When a user registers, some meta values are updated based on the $user_id. Now we need to send an email.

We have used action hook named user_register to send the email. When a user registers, an email will be sent to that user. The problem is that the meta value is not being sent even when I have gave the hook a priority of 100.

How can I fetch the meta value of that particular user using user_register hook so i can send them in an email?

Here’s the registration code:

add_action( 'user_register', 'sendMailM', 99999, 1 );
function sendMailM( $user_id ) { 
    $title  = "Title";
    $from   = "<a href="https://getridbug.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="ff91908d9a8f9386bf9e9b929691d19190">[email protected]</a>";

    global $wpdb, 
        $password;

    $user       = new WP_User( $user_id );
    $user_login = stripslashes( $user->user_login );
    $user_email = stripslashes( $user->user_email );
    $companyCreatedUserP4 = get_user_meta( $user_id, 'companyId', true );

    if( ! empty( $companyCreatedUserP4 ) )
    {
        $current_companyP4  = new WP_User( $companyCreatedUserP4 );
        $companyEmailP4     = $current_companyP4->user_email;
        $messageAdmin       = 'New User ' . $user_login . ' is registered on your site under ' . $current_companyP4->user_firstname . ' company.';
        $messageCompanyP4   = 'A new user with a user name: ' . $user_login . ' was registered under your company.';
    }
    else
    {
        $messageAdmin = 'New User ' . $user_login . ' is registered on your site.'; 
    }

    $message  = "<p>You are now registered . Your user name and password are included in this email. </p>";
    $message .= "<p>" . sprintf( __( 'Username: %s' ), $user_login ) . "rnrn</p>";
    $message .= "<p>" . sprintf( __( 'Password: %s' ), $passwor d) . "rn</p>";

    $headers = 'From: ' . $title . '<' . $from . ">rnReply-To: " . $from;
    add_filter( 'wp_mail_content_type', create_function( '', 'return "text/html";' ) );
    wp_mail( get_option( 'admin_email' ), 'New User Registration ', $messageAdmin, $headers );  /*admin*/

    if( ! empty( $companyEmailP4 ) )
        wp_mail( $companyEmailP4, 'New User Registration ', $messageCompanyP4, $headers );      /*user*/
}

This is the code to create a new user and update the meta value:

$user = wp_insert_user( $userdata );
update_user_meta( $user, 'companyId', 350 );

Answers:

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Method 1

Read de Codex entry for user_register action, it says:

Not all user meta data has been stored in the database when this
action is triggered.

Note that doing:

$user = wp_insert_user( $userdata );
update_user_meta( $user, 'companyId', 350 );

Follow this sequence: insert user -> run user_register action -> rung your update user meta function. So, your custom user meta is not available in user_register action.

So, instead of updating user meta data after wp_insert_user(), you could do it inside the user_register action:

add_action( 'user_register', 'sendMailM' );
function sendMailM( $user_id ) {

    // Note: $_POST data is available here,
    // just in case you need to update user meta based on form input,
    // for example, $_POST['companyId']
    update_user_meta( $user_id, 'companyId', 350 );

    $title  = "Title";
    $from   = "<a href="https://getridbug.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="deb0b1acbbaeb2a79ebfbab3b7b0f0b0b1">[email protected]</a>";

    global $wpdb, 
        $password;

    $user       = new WP_User( $user_id );
    $user_login = stripslashes( $user->user_login );
    $user_email = stripslashes( $user->user_email );
    // You can now access to previously updated user meta
    // Or get the companyId directly from $_POST input if needed
    $companyCreatedUserP4 = get_user_meta( $user_id, 'companyId', true );

    if( ! empty( $companyCreatedUserP4 ) )
    {
        $current_companyP4  = new WP_User( $companyCreatedUserP4 );
        $companyEmailP4     = $current_companyP4->user_email;
        $messageAdmin       = 'New User ' . $user_login . ' is registered on your site under ' . $current_companyP4->user_firstname . ' company.';
        $messageCompanyP4   = 'A new user with a user name: ' . $user_login . ' was registered under your company.';
    }
    else
    {
        $messageAdmin = 'New User ' . $user_login . ' is registered on your site.'; 
    }

    $message  = "<p>You are now registered . Your user name and password are included in this email. </p>";
    $message .= "<p>" . sprintf( __( 'Username: %s' ), $user_login ) . "rnrn</p>";
    $message .= "<p>" . sprintf( __( 'Password: %s' ), $passwor d) . "rn</p>";

    $headers = 'From: ' . $title . '<' . $from . ">rnReply-To: " . $from;
    add_filter( 'wp_mail_content_type', create_function( '', 'return "text/html";' ) );
    wp_mail( get_option( 'admin_email' ), 'New User Registration ', $messageAdmin, $headers );  /*admin*/

    if( ! empty( $companyEmailP4 ) )
        wp_mail( $companyEmailP4, 'New User Registration ', $messageCompanyP4, $headers );      /*user*/
}

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