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wp_login

do_action( ‘wp_login’, string $user_login, WP_User $user )

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Fires after the user has successfully logged in.

Parameters

$user_loginstring
Username.
$userWP_User
WP_User object of the logged-in user.

More Information

The wp_login action hook is triggered when a user logs in by the wp_signon() function. It is the very last action taken in the function, immediately following the wp_set_auth_cookie() call.

This hook provides access to two parameters: $user->user_login (string) and $user ( WP_User ). To pass them into your function you will need to add a priority (default is 10) and request 2 arguments from the add_action() call:

<?php
function your_function( $user_login, $user ) {
// your code
}
add_action('wp_login', 'your_function', 10, 2);
?>

Source

do_action( 'wp_login', $user->user_login, $user );

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Changelog

VersionDescription
1.5.0Introduced.

User Contributed Notes

  1. Skip to note 2 content
    pixelandgrain
    You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note

    Sending a welcome email to first time logged in users.

    // callback function
function wpdocs_send_welcome_email( $user_login, WP_User $user ) {

    // do not send email if user has already logged in once
    if ( current_user_can( 'administrator' ) || get_user_meta( $user->ID, 'wpdocs_welcome_email_sent', TRUE ) ) {
        return;
    }

    // send welcome email if logging in first time
    $message = str_replace(
        array( '%%firstname%%', '%%name%%', '%%sitename%%' ),
        array(
            $user->first_name,
            $user->data->user_login,
            get_bloginfo( 'name' ),
        ),
        get_option( 'welcome_message' )
    );

    // send email to user
    if ( wp_mail( $user->data->user_email, 'Welcome subject', $message ) ) {
        // update or add user meta if email sent successfully
        update_user_meta( $user->ID, 'wpdocs_welcome_email_sent', 1 );
    }

}

// action hook
add_action( 'wp_login', 'wpdocs_send_welcome_email', 10, 2 );

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