php error

hello, i tried to do some edits on theme functions and got a fatal error.

i feel like it’s because i don’t have my <?php done correctly.

below is the file, would someone be able to help?

<?php
/**
* Scripts
* @link https://code.tutsplus.com/articles/how-to-include-javascript-and-css-in-your-wordpress-themes-and-plugins–wp-24321
*/
function arcadia_javascript_files() {
wp_deregister_script( ‘jquery’ );
wp_register_script( ‘jquery’, ‘https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js&#8217;, array(), null, false );
wp_register_script( ‘modernizr’, get_template_directory_uri() . ‘/javascripts/modernizr-2.6.2.min.js’, array(), ‘2.6.2’ );
wp_register_script( ‘easing’, get_template_directory_uri() . ‘/javascripts/jquery.easing.1.3.js’, array( ‘jquery’ ), ‘skagky2qy6’ );
wp_register_script( ‘jvanilla’, get_template_directory_uri() . ‘/javascripts/jquery.jvanilla.js’, array( ‘jquery’ ), ‘u7lio4nvoj’ );
wp_register_script( ‘bxslider’, get_template_directory_uri() . ‘/javascripts/jquery.bxslider.min.js’, array( ‘jquery’ ), ‘sx88t9nfhi’ );
wp_register_script( ‘fitvids’, get_template_directory_uri() . ‘/javascripts/jquery.fitvids.js’, array( ‘jquery’ ), ‘om8bwyrmiy’ );
wp_register_script( ‘main’, get_template_directory_uri() . ‘/javascripts/main.js’, array( ‘jquery’ ), ‘mozcyglkvb’ );
wp_enqueue_script( ‘modernizr’ );
if ( is_front_page() || is_page( 31 ) || is_page( 33 ) || is_page( 35 ) || is_page( 37 ) || is_page( 29 ) || is_page( 14 ) ) {
wp_enqueue_script( ‘easing’ );
wp_enqueue_script( ‘bxslider’ );
}
wp_enqueue_script( ‘jvanilla’ );
wp_enqueue_script( ‘fitvids’ );
wp_enqueue_script( ‘main’ );
}
add_action( ‘wp_enqueue_scripts’, ‘arcadia_javascript_files’ ); // wp_enqueue_scripts action hook to link only on the front-end

/**
* Syles
*/
function arcadia_stylesheet_files() {
wp_register_style( ‘style-arcadia’, get_template_directory_uri() . ‘/stylesheets/arcadia.css’, false, ‘1.0’, ‘screen, projection’ );
wp_register_style( ‘style-last’, get_template_directory_uri() . ‘/style.css’, false, ‘2.0’, ‘screen, projection’ );

wp_register_style( ‘style-bxslider’, get_template_directory_uri() . ‘/stylesheets/jquery.bxslider.css’, false, ‘1.0’, ‘screen, projection’ );
if ( is_front_page() || is_page( 31 ) || is_page( 33 ) || is_page( 35 ) || is_page( 37 ) || is_page( 29 ) || is_page( 14 ) ) {
wp_enqueue_style( ‘style-bxslider’ );
}
wp_enqueue_style( ‘style-arcadia’ );
wp_enqueue_style( ‘style-last’ );
}
// Hook into the ‘wp_enqueue_scripts’ action
add_action( ‘wp_enqueue_scripts’, ‘arcadia_stylesheet_files’ );

/**
* Post Thumbnails
*/
add_theme_support( ‘post-thumbnails’ );
set_post_thumbnail_size( 100, 100, true );
add_image_size( ‘square-75’, 75, 75, true );
add_image_size( ‘square-150’, 150, 150, true );
add_image_size( ‘small-240’, 240, 240, false );
add_image_size( ‘small-280’, 280, 280, false );
add_image_size( ‘small-310’, 310, 310, false );
add_image_size( ‘medium-500’, 500, 500, false );
add_image_size( ‘medium-640’, 640, 640, false );
add_image_size( ‘medium-800’, 800, 800, false );
add_image_size( ‘large-1024’, 1024, 1024, false );
add_image_size( ‘large-1050’, 1050, 1050, false );
add_image_size( ‘large-1600’, 1600, 1600, false );
add_image_size( ‘large-2048’, 2048, 2048, false );

/**
* Navigation Menu
*/
register_nav_menus( array(
‘primary’ => ‘Primary Menu’
) );

/**
* Extend the default body classes.
*/
function arcadia_body_class( $classes ) {

if ( is_page_template(‘page-templates/arcadia.php’) )
$classes[] = ‘template–company template–arcadia’;
if ( is_page_template(‘page-templates/craigside.php’) )
$classes[] = ‘template–company template–craigside’;
if ( is_page_template(‘page-templates/central-union.php’) )
$classes[] = ‘template–company template–central-union’;
if ( is_page_template(‘page-templates/kilohana.php’) )
$classes[] = ‘template–company template–kilohana’;
if ( is_page_template(‘page-templates/home-health-care.php’) )
$classes[] = ‘template–company template–home-health-care’;

return $classes;

}
add_filter( ‘body_class’, ‘arcadia_body_class’ );

/**
* Widgets
* @link https://digwp.com/2010/02/how-to-widgetize-wordpress-theme/
*/
function arcadia_widgets_init() {

register_sidebar( array(
‘name’ => __( ‘Menu: Arcadia’, ‘arcadia’ ),
‘id’ => ‘menu-arcadia’,
‘description’ => __( ‘Menu: Arcadia’, ‘arcadia’ ),
‘before_widget’ => ‘<nav class=”sidebar-nav menu–arcadia”>’,
‘after_widget’ => ‘</nav >’,
‘before_title’ => ‘<h2 class=”widget-title”>’,
‘after_title’ => ‘</h2>’,
));
register_sidebar( array(
‘name’ => __( ‘Menu: 15 Craigside’, ‘arcadia’ ),
‘id’ => ‘menu-15-craigside’,
‘description’ => __( ‘Menu: 15 Craigside’, ‘arcadia’ ),
‘before_widget’ => ‘<nav class=”sidebar-nav menu–15-craigside”>’,
‘after_widget’ => ‘</nav >’,
‘before_title’ => ‘<h2 class=”widget-title”>’,
‘after_title’ => ‘</h2>’,
));
register_sidebar( array(
‘name’ => __( ‘Menu: Central Union’, ‘arcadia’ ),
‘id’ => ‘menu-central-union’,
‘description’ => __( ‘Menu: Central Union’, ‘arcadia’ ),
‘before_widget’ => ‘<nav class=”sidebar-nav menu–central-union”>’,
‘after_widget’ => ‘</nav >’,
‘before_title’ => ‘<h2 class=”widget-title”>’,
‘after_title’ => ‘</h2>’,
));
register_sidebar( array(
‘name’ => __( ‘Menu: Kilohana’, ‘arcadia’ ),
‘id’ => ‘menu-kilohana’,
‘description’ => __( ‘Menu: Kilohana’, ‘arcadia’ ),
‘before_widget’ => ‘<nav class=”sidebar-nav menu–kilohana”>’,
‘after_widget’ => ‘</nav >’,
‘before_title’ => ‘<h2 class=”widget-title”>’,
‘after_title’ => ‘</h2>’,
));
register_sidebar( array(
‘name’ => __( ‘Menu: Home Health Care’, ‘arcadia’ ),
‘id’ => ‘menu-home-health-care’,
‘description’ => __( ‘Menu: Home Health Care’, ‘arcadia’ ),
‘before_widget’ => ‘<nav class=”sidebar-nav menu–home-health-care”>’,
‘after_widget’ => ‘</nav >’,
‘before_title’ => ‘<h2 class=”widget-title”>’,
‘after_title’ => ‘</h2>’,
));
}