Handy dandy WordPress password reset link generator (command line). Useful when we want to create a URL to share with a customer because they are for whatever reason having difficulties using the regular password reset facilities.

password-reset-link-generator.wp-cli.php

<?php
/**
 * Generates a password reset link for a user (which we can share directly).
 *
 * Run this script through WP CLI and supply the user email as the final arg.
 *
 * @see https://developer.wordpress.org/cli/commands/eval-file/
 */

if ( ! class_exists( 'WP_CLI' ) ) {
    exit( "Use WP CLI to run this script.\n" );
}

if ( empty( $args ) ) {
    WP_CLI::error( "Please supply the user email address." );
}

// We expect the final arg to be the user email address.
$email = filter_var( end( $args ), FILTER_SANITIZE_EMAIL );

// Make sure it looks like an email address.
if ( ! filter_var( $email, FILTER_VALIDATE_EMAIL ) ) {
    WP_CLI::error( "Sorry, that does not look like a valid email address. Try again." );
}

$user = get_user_by( 'email', $email );

if ( ! $user ) {
    WP_CLI::error( "Sorry, but we cannot locate a user with that email address. Try again." );
}

// Generate the password reset link...but first, we need to stop captcha code (or other
// security plugin stuff) from interfering.
add_filter( 'allow_password_reset', '__return_true', 1000 );

$key = get_password_reset_key( $user );
$login = rawurlencode( $user->user_login );
$url = network_site_url( "wp-login.php?action=rp&key=$key&login={$login}", 'login' );

if ( empty( $url ) || ! filter_var( $url, FILTER_VALIDATE_URL ) ) {
    WP_CLI::error( "Sorry, but password reset URL generation failed." );
}

WP_CLI::line( "OK, here is the password reset link for {$email}:\n\n\t{$url}\n" );