How to enqueue Font-Awesome in WordPress

font-awesome.php

<?php
//* Do NOT include the opening php tag shown above. Copy the code shown below.

// Load Font Awesome//
// Register Style, Codex version
function custom_styles() {
wp_register_style( 'font-awesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css', false, '4.1.0' );
}
add_action( 'wp_enqueue_scripts', 'custom_styles' );


//LOAD VIA CLOUDFLARE
add_action( 'wp_enqueue_scripts', 'add_font_awesome_cloudfare' );
function add_font_awesome_cloudfare() {
    wp_enqueue_style( 'font-awesome', '//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css' );
}

//HOST IT YOUR SELF
/*You can also download the font icons and upload the folder to your 
child themes root directory, them load them using PHP code in your functions file.*/
add_action( 'wp_enqueue_scripts', 'add_font_awesome_child_theme' );
function add_font_awesome_child_theme() {
    wp_enqueue_style( 'font-awesome', get_bloginfo( 'stylesheet_directory' ) . '/font-awesome/css/font-awesome.min.css' );
}

//Make sure the path to the font-awesome.min.css file is correct. Then use them in your theme like this
// https://fontawesome.com/how-to-use/on-the-web/setup/getting-started?using=web-fonts-with-css