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 <?php if (have_rows('qa_repeater')):
                        while (have_rows('qa_repeater')) : the_row(); ?>
                        <!-- Begin Accordion Repeater -->
                        <div class="qaBlock">
                            <div class="questionBolck">
                                <div class="iconBlock">
                                <span class="faqCardIcon">
                                    <img class="upperIcon" src="<?php echo get_stylesheet_directory_uri().'/icons/upper.png'?>" alt="upper open close icon"/>
                                    <img class="lowerIcon" src="<?php echo get_stylesheet_directory_uri().'/icons/lower.png'?>" alt="lower open close icon"/>
                                </span>
                            </div>
                                <div class="questionDiv"><?php echo get_sub_field('question');?></div>
                            </div>
                            <div class="answerDiv"><?php echo get_sub_field('answer');?></div>
                        </div>
                        <!-- End Accordion Repeater -->
        
                        <?php endwhile;
                    endif;?>

  /*************************
     ACCORDIONS ON FAQ
     **************************/
    $('.qaBlock').on('click', function() {
        $(this).find('.answerDiv').fadeToggle(500);
        $(this).find('.questionBolck').toggleClass('open');
        $(this).find('.faqCardIcon').toggleClass('active');

    });

  <?php 
        $related = new WP_Query(
            array(
                'category__in'   => wp_get_post_categories( $post->ID ),
                'posts_per_page' => 3,
                'post__not_in'   => array( $post->ID )
            )
        );
        
        if( $related->have_posts() ) { 
            while( $related->have_posts() ) { 
                $related->the_post(); 
                /*whatever you want to output*/
            }
            wp_reset_postdata();
        }
        ?>

  <?php

global $post;

/*************************************************************
    GLOBAL PHP VARIABLE
*************************************************************/
// Define theme global variable
global $themeGlobals;
$themeGlobals = [
    'namespace' => 'theme-',
    'guten_category' => '',
    'text_domain' => 'theme-custom',
    'theme_url' => get_stylesheet_directory_uri(), // Absolute path to theme directory (URL)
    'theme_rel' => get_stylesheet_directory(), // Relative path to theme directory
    'ajax_url' => admin_url( 'admin-ajax.php' ), // Localized AJAX URL
    'rest_url' => esc_url_raw( rest_url() ),
];
$themeGlobals['guten_category'] = $themeGlobals['namespace'] . 'blocks'; // Using the namespace prefix used throughout the theme, create the slug used for our Gutenberg Category


/*************************************************************
    ENQUEUE SCRIPTS AND STYLES
*************************************************************/
// for documentation and a list of scripts that are pre-registered by wordpress see https://developer.wordpress.org/reference/functions/wp_enqueue_script
// for a quick overview read this http://www.wpbeginner.com/wp-tutorials/how-to-properly-add-javascripts-and-styles-in-wordpress

function theme_enqueue_assets() {
    // Global Vars
    global $themeGlobals;

    /********** DECLARE VARS **********/
    // Asset Paths
    $paths = [
        'styles_vendor' => '/assets/dist/css/'.$themeGlobals['namespace'].'vendor.min.css',
        'styles_custom' => '/assets/dist/css/'.$themeGlobals['namespace'].'custom.css',
        'scripts_vendor' => '/assets/dist/js/'.$themeGlobals['namespace'].'vendor.min.js',
        'scripts_custom' => '/assets/dist/js/'.$themeGlobals['namespace'].'custom.js',
        'scripts_blocks' => '/assets/dist/js/'.$themeGlobals['namespace'].'custom-blocks.js',
    ];
    // WP Asset Handles / IDs
    $handles = [
        'styles_vendor' => $themeGlobals['namespace'].'vendor-styles',
        'styles_custom' => $themeGlobals['namespace'].'custom-styles',
        'scripts_vendor' => $themeGlobals['namespace'].'vendor-scripts',
        'scripts_custom' => $themeGlobals['namespace'].'custom-scripts',
        'scripts_blocks' => $themeGlobals['namespace'].'custom-block-scripts',
    ];
    // Enqueue Dependencies
    $dependencies = [
        'styles_vendor' => null,
        'styles_custom' => null,
        'scripts_vendor' => array('jquery'),
        'scripts_custom' => array('jquery'),
        'scripts_blocks' => array('jquery'),
    ];


    /********** ENQUEUE ASSETS **********/

    /*** Vendor Styles ***/
    // if file exists, register & enqueue
    if( file_exists($themeGlobals['theme_rel'].$paths['styles_vendor']) ){
        // Update dependencies
        $dependencies['styles_custom'] = array( $handles['styles_vendor'] );
        $dependencies['styles_blocks'] = array( $handles['styles_vendor'] );
        // Enqueue Asset
        wp_register_style( $handles['styles_vendor'], $themeGlobals['theme_url'].$paths['styles_vendor'], $dependencies['styles_vendor'], filemtime($themeGlobals['theme_rel'].$paths['styles_vendor']), false );
        wp_enqueue_style( $handles['styles_vendor'] );
    }

    /*** Custom Global Styles ***/
    // if file exists, register & enqueue
    if( file_exists($themeGlobals['theme_rel'].$paths['styles_custom']) ){
        // Enqueue Asset
        wp_register_style( $handles['styles_custom'], $themeGlobals['theme_url'].$paths['styles_custom'], $dependencies['styles_custom'], filemtime($themeGlobals['theme_rel'].$paths['styles_custom']), false );
        wp_enqueue_style( $handles['styles_custom'] );
    }


    /*** Vendor Scripts ***/
    // if file exists, register & enqueue
    if( file_exists($themeGlobals['theme_rel'].$paths['scripts_vendor']) ){
        // Update dependencies
        $dependencies['scripts_custom'] = array('jquery', $handles['scripts_vendor']);
        $dependencies['scripts_blocks'] = array('jquery', $handles['scripts_vendor']);
        // Enqueue Asset
        wp_register_script( $handles['scripts_vendor'], $themeGlobals['theme_url'].$paths['scripts_vendor'], $dependencies['scripts_vendor'], filemtime($themeGlobals['theme_rel'].$paths['scripts_vendor']), true );
        wp_enqueue_script( $handles['scripts_vendor'] );
    }

    /*** Custom Scripts ***/
    // if file exists, register & enqueue
    if( file_exists($themeGlobals['theme_rel'].$paths['scripts_custom']) ){
        // Enqueue Asset
        wp_register_script( $handles['scripts_custom'], $themeGlobals['theme_url'].$paths['scripts_custom'], $dependencies['scripts_custom'], filemtime($themeGlobals['theme_rel'].$paths['scripts_custom']), true );
        wp_enqueue_script( $handles['scripts_custom'] );
        // Pass variables from PHP into JS - accessible from the "php_vars" JS object: console.log('php_vars: ', php_vars)
        wp_localize_script( $handles['scripts_custom'], 'php_vars', array(
            'ajax_url' => $themeGlobals['ajax_url'],
            'rest_url' => $themeGlobals['rest_url'],
            'rest_nonce' => wp_create_nonce('wp_rest'),
        ) );
    }

    /*** Custom Block Scripts ***/
    // if file exists, register & enqueue
    if( file_exists($themeGlobals['theme_rel'].$paths['scripts_blocks']) ){
        // Enqueue Asset
        wp_register_script( $handles['scripts_blocks'], $themeGlobals['theme_url'].$paths['scripts_blocks'], $dependencies['scripts_blocks'], filemtime($themeGlobals['theme_rel'].$paths['scripts_blocks']), true );
        wp_enqueue_script( $handles['scripts_blocks'] );
        // Pass variables from PHP into JS - accessible from the "php_vars" JS object: console.log('php_vars: ', php_vars)
        wp_localize_script( $handles['scripts_blocks'], 'php_vars', array(
            'ajax_url' => $themeGlobals['ajax_url'],
            'rest_url' => $themeGlobals['rest_url'],
            'rest_nonce' => wp_create_nonce('wp_rest'),
        ) );
    }

}
add_action( 'wp_enqueue_scripts', 'theme_enqueue_assets' );


/***** ADMIN ASSETS *****/
function admin_theme_assets(){
    // Global Variables
    global $themeGlobals;

    /***** Gutenberg Block Editor *****/
    if( is_admin() ){
        // Custom Block Styles and Scripts
        add_action( 'admin_enqueue_scripts', 'theme_enqueue_assets' );

        /********** DECLARE VARS **********/
        // Asset Paths
        $paths = [
            'styles_admin' => '/assets/dist/css/admin-styles.css',
        ];
        // WP Asset Handles / IDs
        $handles = [
            'styles_admin' => $themeGlobals['namespace'].'admin-styles',
        ];
        // Enqueue Dependencies
        $dependencies = [
            'styles_admin' => null,
        ];

        /********** ENQUEUE ASSETS **********/

        /*** Gutenberg Block Editor Admin Styles ***/
        // if file exists, register & enqueue
        if( file_exists($themeGlobals['theme_rel'].$paths['styles_admin']) ){
            // Enqueue Asset
            wp_register_style( $handles['styles_admin'], $themeGlobals['theme_url'].$paths['styles_admin'], $dependencies['styles_admin'], filemtime($themeGlobals['theme_rel'].$paths['styles_admin']), false );
            wp_enqueue_style( $handles['styles_admin'] );
        }
    }
 
}
add_action( 'enqueue_block_editor_assets', 'admin_theme_assets' );


/*************************************************************
    CONSOLE LOG PHP
*************************************************************/
/** 
 * PHP CONSOLE LOG 
 * 
 * @param $data - PHP variable to log to JS console
 * @param $label - String label to prefix the JS console log
 */
function debug_to_console($data, $label = 'PHP Debug to Console') {
    echo '<script type="text/javascript" data-debug="true">console.log("'. $label . ': ",' . json_encode( $data ) . ');</script>';
}

/**
 * Clean String
 * - https://stackoverflow.com/a/14114419
 */
function theme_clean_string($string) {
    $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
    $string = preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.

    return preg_replace('/-+/', '-', $string); // Replaces multiple hyphens with single one.
 }


/*************************************************************
    REGISTER MENUS
*************************************************************/
function theme_register_menus() {

  register_nav_menus(
    array(
      'main-menu' => __( 'Main Menu' ),
      'footer-menu' => __( 'Footer Menu' ),
    )
  );

}
add_action( 'init', 'theme_register_menus' );


/*************************************************************
    REGISTER SIDEBAR
*************************************************************/
function theme_widgets_register() {

    register_sidebar( array(
        'name'          => 'Sidebar One',
        'id'            => 'sidebar_one',
        'before_widget' => '<div class="widget">',
        'after_widget'  => '</div>',
        'before_title'  => '<h2>',
        'after_title'   => '</h2>',
        'description'   => ''
    ));

}
add_action( 'widgets_init', 'theme_widgets_register' );


/*************************************************************
    ADD THEME SUPPORT
*************************************************************/
function theme_add_support() {
    // Excerpts 
    add_theme_support('excerpt');
    // Featured Images
    add_theme_support('post-thumbnails');
}
add_action( 'init', 'theme_add_support' );

// Remove Tags taxonomy
function theme_remove_tags() {
    global $wp_taxonomies;
    $tax = 'post_tag'; 
    if( taxonomy_exists( $tax ) )
        unset( $wp_taxonomies[$tax] );
}
// add_action( 'init', 'theme_remove_tags' ); 


/*************************************************************/
/*  ADVANCED CUSTOM FIELDS - THEME OPTIONS                   */
/*************************************************************/
// add options page
if (function_exists('acf_add_options_page')) {
    acf_add_options_page(array(
        'page_title'    => 'Theme General Options',
        'menu_title'    => 'Theme Options',
        'menu_slug'     => 'theme-general-settings',
        'capability'    => 'edit_posts',
        'redirect'      => false,
        'icon_url' => 'dashicons-admin-home',
        'position' => 2
    ));
}


/*************************************************************
                THEME ELEMENTS
*************************************************************/
/**
 * ELEMENT Includes - all files within the sub-directory: /template-parts/elements
 * - Create individual files for each element function
 */
$elements = scandir( __DIR__.'/template-parts/elements' );
foreach( $elements as $item ) {
   if( $item[0] != '.' ){
       include(__DIR__.'/template-parts/elements/'.$item);
   }
}


/*************************************************************
    REGISTER GUTENBERG BLOCKS
*************************************************************/
// REGISTER CUSTOM BLOCK CATEGORY
function theme_register_block_categories( $categories ) {
    global $themeGlobals;
    $category_slugs = wp_list_pluck( $categories, 'slug' );
    // Add category if its not already there
    return in_array( $themeGlobals['guten_category'], $category_slugs, true ) ? $categories : array_merge(
        $categories,
        array(
            array(
                'slug'  => $themeGlobals['guten_category'],
                'title' => __( 'Theme Blocks', $themeGlobals['text_domain'] ),
                'icon'  => 'admin-home',
            ),
        )
    );
}
add_filter( 'block_categories_all', 'theme_register_block_categories', 10, 2 );



// REGISTER CUSTOM BLOCKS
function register_acf_block_types() {
    global $themeGlobals;

    // Register all blocks found within the block register directory
    $blocks = scandir( __DIR__.'/template-parts/blocks/_register' );
    foreach( $blocks as $block ) {
        if( $block[0] != '.' ){
            include(__DIR__.'/template-parts/blocks/_register/'.$block);
        }
    }
}
// Check if function exists and hook into setup.
if( function_exists('acf_register_block_type') ) {
    add_action('acf/init', 'register_acf_block_types');
}


/*************************************************************
    GUTENBERG BLOCKS: LIMIT ALLOWED BLOCKS
*************************************************************/
// Allow Only Custom Blocks Listed Below
function my_allowed_block_types($allowed_block_types_all, $post){
    $post_type = get_post_type();
    switch($post_type):
        // Post Type specific blocks - example
        case 'post':
            // default to built in wysiwyg - allow ACF blocks too
            $allowed = ['core/freeform'];
            foreach(acf_get_block_types() as $key => $block){
                $allowed[] = $block['name'];
            }
            return $allowed;
        break;

        // Default blocks allowed
        default:
            $allowed = [];
            foreach(acf_get_block_types() as $key => $block){
                $allowed[] = $block['name'];
            }
            return $allowed;
        break;
    endswitch;
}
add_filter( 'allowed_block_types_all', 'my_allowed_block_types', 10, 2 );


/*************************************************************
    GUTENBERG BLOCKS: CORE BLOCKS
*************************************************************/
/**
 * CORE/FREEFORM
 * - source: https://www.gsarigiannidis.gr/adding-a-div-wrapper-to-gutenberg-s-classic-block/
 * - Wrap core/freeform in container div
 */
function theme_wrap_classic_block( $block_content, $block ) {
    if ( null === $block['blockName'] && ! empty( $block_content ) && ! ctype_space( $block_content ) ) {
        $block_content = '<section class="block block--freeform"><div class="container">' . $block_content . '</div></section>';
    }
    return $block_content;
}
add_filter( 'render_block', 'theme_wrap_classic_block', 10, 2 );