wordpress config

<?php
// Begin Custom Scripting to Move JavaScript from the Head to the Footer

function remove_head_scripts() { 
remove_action('wp_head', 'wp_print_scripts'); 
remove_action('wp_head', 'wp_print_head_scripts', 9); 
remove_action('wp_head', 'wp_enqueue_scripts', 1);

add_action('wp_footer', 'wp_print_scripts', 5);
add_action('wp_footer', 'wp_enqueue_scripts', 5);
add_action('wp_footer', 'wp_print_head_scripts', 5); 
} 
add_action( 'wp_enqueue_scripts', 'remove_head_scripts' );

// Mover Javascript

function ewp_remove_script_version( $src ) {
  return remove_query_arg( 'ver', $src );
}
add_filter( 'script_loader_src', 'ewp_remove_script_version', 15, 1 );
add_filter( 'style_loader_src', 'ewp_remove_script_version', 15, 1 );


/**
 * WooCommerce
 * --------------------------
 * Remover a barra de admin dos clientes
 */ 

if (!current_user_can('administrator')): 
show_admin_bar(false); 
endif;

/**
 * WooCommerce
 * --------------------------
 * adicionar o Nome Sobrenome
 */ 


/**
 * Add new register fields for WooCommerce registration.
 *
 * @return string Register fields HTML.
 */
function cs_wc_extra_register_fields() {
	?>
	<p class="form-row form-row-first">
		<label for="reg_billing_first_name"><?php _e( 'Nome', 'textdomain' ); ?> <span class="required">*</span></label>
		<input type="text" class="input-text" name="billing_first_name" id="reg_billing_first_name" value="<?php if ( ! empty( $_POST['billing_first_name'] ) ) esc_attr_e( $_POST['billing_first_name'] ); ?>" />
	</p>
	<p class="form-row form-row-last">
		<label for="reg_billing_last_name"><?php _e( 'Sobrenome', 'textdomain' ); ?> <span class="required">*</span></label>
		<input type="text" class="input-text" name="billing_last_name" id="reg_billing_last_name" value="<?php if ( ! empty( $_POST['billing_last_name'] ) ) esc_attr_e( $_POST['billing_last_name'] ); ?>" />
	</p>
	<?php
}
add_action( 'woocommerce_register_form_start', 'cs_wc_extra_register_fields' );
/**
 * Validate the extra register fields.
 *
 * @param  string $username          Current username.
 * @param  string $email             Current email.
 * @param  object $validation_errors WP_Error object.
 *
 * @return void
 */
function cs_wc_validate_extra_register_fields( $username, $email, $validation_errors ) {
	if ( isset( $_POST['billing_first_name'] ) && empty( $_POST['billing_first_name'] ) ) {
		$validation_errors->add( 'billing_first_name_error', __( '<strong>Erro</strong>: Digite o seu nome.', 'textdomain' ) );
	}
	if ( isset( $_POST['billing_last_name'] ) && empty( $_POST['billing_last_name'] ) ) {
		$validation_errors->add( 'billing_last_name_error', __( '<strong>Erro</strong>: Digite o seu sobrenome.', 'textdomain' ) );
	}
}
add_action( 'woocommerce_register_post', 'cs_wc_validate_extra_register_fields', 10, 3 );
/**
 * Save the extra register fields.
 *
 * @param  int  $customer_id Current customer ID.
 *
 * @return void
 */
function cs_wc_save_extra_register_fields( $customer_id ) {
	if ( isset( $_POST['billing_first_name'] ) ) {
		// WordPress default first name field.
		update_user_meta( $customer_id, 'first_name', sanitize_text_field( $_POST['billing_first_name'] ) );
		// WooCommerce billing first name.
		update_user_meta( $customer_id, 'billing_first_name', sanitize_text_field( $_POST['billing_first_name'] ) );
	}
	if ( isset( $_POST['billing_last_name'] ) ) {
		// WordPress default last name field.
		update_user_meta( $customer_id, 'last_name', sanitize_text_field( $_POST['billing_last_name'] ) );
		// WooCommerce billing last name.
		update_user_meta( $customer_id, 'billing_last_name', sanitize_text_field( $_POST['billing_last_name'] ) );
	}
}
add_action( 'woocommerce_created_customer', 'cs_wc_save_extra_register_fields' );


// Remove WooCommerce Updater
remove_action('admin_notices', 'woothemes_updater_notice');


/**
 * Order product collections by stock status, instock products first.
 */
class iWC_Orderby_Stock_Status
{
    public function __construct()
    {
        // Check if WooCommerce is active
        if (in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins')))) {
            add_filter('posts_clauses', array($this, 'order_by_stock_status'), 2000);
        }
    }
    public function order_by_stock_status($posts_clauses)
    {
        global $wpdb;
        // only change query on WooCommerce loops
        if (is_woocommerce() && (is_shop() || is_product_category() || is_product_tag())) {
            $posts_clauses['join'] .= " INNER JOIN $wpdb->postmeta istockstatus ON ($wpdb->posts.ID = istockstatus.post_id) ";
            $posts_clauses['orderby'] = " istockstatus.meta_value ASC, " . $posts_clauses['orderby'];
            $posts_clauses['where'] = " AND istockstatus.meta_key = '_stock_status' AND istockstatus.meta_value <> '' " . $posts_clauses['where'];
        }
        return $posts_clauses;
    }
}
new iWC_Orderby_Stock_Status;