Example WordPress functions.php

functions.php

<?php

function site_resources() {
  wp_enqueue_style( 'bootstrap-options-style', get_template_directory_uri() . '/css/bootstrap.min.css' ); 
  wp_enqueue_style( 'custom-options-style', get_template_directory_uri() . '/css/custom.min.css' ); 
  wp_enqueue_style( 'font-awesome-options-style', get_template_directory_uri() . '/bower_components/font-awesome/css/font-awesome.min.css' ); 
  wp_enqueue_style( 'animate-options-style', get_template_directory_uri() . '/bower_components/animate.css/animate.min.css' );
}

add_action('wp_enqueue_scripts', 'vitalConsult_resources');

function get_the_blog_excerpt() {
  $excerpt = get_the_content();
  $excerpt = strip_shortcodes($excerpt);
  $excerpt = strip_tags($excerpt);
  $the_str = substr($excerpt, 0, 220) . '...';
  return $the_str;
}
function new_excerpt_more( $more ) {
  return ' <a class="" href="' . get_permalink( get_the_ID() ) . '">' . __( '...', 'your-text-domain' ) . '</a>';
}
add_filter( 'excerpt_more', 'new_excerpt_more' );

// addFeaturedImageSupport

function post_image_support() {
  //add image support
  add_theme_support('post-thumbnails');
  
  add_image_size('sm', 180, 120, true);
  add_image_size('lg', 720, 310, false);
  add_image_size('blog_home', 440, 720, false);
}
add_action('after_setup_theme', post_image_support);

function ms_image_editor_default_to_gd( $editors ) {
  $gd_editor = 'WP_Image_Editor_GD';

  $editors = array_diff( $editors, array( $gd_editor ) );
  array_unshift( $editors, $gd_editor );

  return $editors;
}
add_filter( 'wp_image_editors', 'ms_image_editor_default_to_gd' );


// Add widget locations
function widgetInit() {
  register_sidebar( array(
    'name' => 'Sidebar',
    'id' => 'Sidebar'
  ));
}

add_action('widgets_init', widgetInit)
  
  

  ?>