Assuming you refer to functions.php – then our site would not work! we have code in functions.php to enable the learning management system learndash to operate and to avoid conflicts between woocommerce shop and ENFOLD. We have not made any changess in this for some time. The problem of false SQL detection and helper-assets is very recent

This is the code in the functions.php – do you see anything that may cause problems?:
<?php

/*
* Add your own functions here. You can also copy some of the theme functions into this file.
* WordPress will use those functions instead of the original functions then.
*/

/*
* Remove fields from woocommerce checkout page
* /
/**
Remove all possible fields by removing the commented out areas
**/
function wc_remove_checkout_fields( $fields ) {

// Billing fields
//
/*
unset( $fields[‘billing’][‘billing_company’] );
unset( $fields[‘billing’][‘billing_email’] );
unset( $fields[‘billing’][‘billing_phone’] );
unset( $fields[‘billing’][‘billing_state’] );
unset( $fields[‘billing’][‘billing_first_name’] );
unset( $fields[‘billing’][‘billing_last_name’] );
unset( $fields[‘billing’][‘billing_address_1’] );
unset( $fields[‘billing’][‘billing_address_2’] );
unset( $fields[‘billing’][‘billing_city’] );
unset( $fields[‘billing’][‘billing_postcode’] );
*/

// Shipping fields
/*
unset( $fields[‘shipping’][‘shipping_company’] );
unset( $fields[‘shipping’][‘shipping_phone’] );
unset( $fields[‘shipping’][‘shipping_state’] );
unset( $fields[‘shipping’][‘shipping_first_name’] );
unset( $fields[‘shipping’][‘shipping_last_name’] );
unset( $fields[‘shipping’][‘shipping_address_1’] );
unset( $fields[‘shipping’][‘shipping_address_2’] );
unset( $fields[‘shipping’][‘shipping_city’] );
unset( $fields[‘shipping’][‘shipping_postcode’] );
*/
// Order fields
unset( $fields[‘order’][‘order_comments’] );

return $fields;
}
add_filter( ‘woocommerce_checkout_fields’, ‘wc_remove_checkout_fields’ );

/** Added 22 Feb 2021 by Alex to enable SMTP email usage
*
* This function will connect wp_mail to your authenticated
* SMTP server. This improves reliability of wp_mail, and
* avoids many potential problems.
*
* For instructions on the use of this script, see:
* https://butlerblog.com/easy-smtp-email-wordpress-wp_mail/
*
* Values for constants are set in wp-config.php
*/
add_action( ‘phpmailer_init’, ‘send_smtp_email’ );
function send_smtp_email( $phpmailer ) {
$phpmailer->isSMTP();
$phpmailer->Host = SMTP_HOST;
$phpmailer->SMTPAuth = SMTP_AUTH;
$phpmailer->Port = SMTP_PORT;
$phpmailer->Username = SMTP_USER;
$phpmailer->Password = SMTP_PASS;
$phpmailer->SMTPSecure = SMTP_SECURE;
$phpmailer->From = SMTP_FROM;
$phpmailer->FromName = SMTP_NAME;
}

/* Replace logo based on ‘promotion code’ – Jelmer*/
add_action( ‘wp_head’, ‘logo_css’, 0 );
function logo_css() {
$user = wp_get_current_user();
$user_info = get_userdata($user->ID);
$code = $user->promotion_code;
if( strcasecmp($code, ‘RightBrains’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/04/rsz_1rightbrains.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘Polaris’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/04/rsz_polaris.jpg) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘Nyenrode’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/03/Logo-Small.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘StrategyWorks’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/09/SWSA-LOGO-3-1-e1600615027209.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘EXIN’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2021/02/Screenshot-2021-02-25-at-16.18.48.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘Beeckestijn’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/05/Beeckestijn.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘HQAI2021’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/05/Screenshot-2020-05-01-at-13.53.02.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘Assurant2020’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2020/05/rsz_assurant-logo.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘Computrain’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2021/02/CT-Small-Logo.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘NCOI’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2021/02/NCOI-Small-Logo.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘NCD’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2021/03/NCD-Kleiner.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘Randstad’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2021/04/Randstad.png) no-repeat;}</style></head>”;
}
if( strcasecmp($code, ‘GK2021’) == 0){
echo “<style>span.logo{display:none;}</style></head>”;
echo “<style>div.inner-container{background:url(https://axveco.com/wp-content/uploads/2021/04/GK-Logo-small-1.jpg) no-repeat;}</style></head>”;
}
}

/* ‘Edit profile’ redirects to profile page – Jelmer*/
add_action( ‘load-profile.php’, ‘Redirect_profile_axveco’);
function Redirect_profile_axveco (){
if( ! current_user_can( ‘manage_options’ ) )
exit( wp_safe_redirect( “https://axveco.com/en/profile/&#8221; ) );
}

/* Redirect wp-login to loginwp screen – Jelmer*/
add_filter( ‘login_url’, ‘my_login_page’, 10, 3 );
function my_login_page( $login_url, $redirect, $force_reauth ) {
$login_page = “https://axveco.com/en/loginwp/&#8221; ;
$login_url = add_query_arg( ‘redirect_to’, $redirect, $login_page );
return $login_url;
}

/* Shows headers promotion code in the admin user table – Jelmer*/
add_filter(‘manage_users_columns’, ‘add_promotion_code_column’);
function add_promotion_code_column($columns) {
$columns[‘promotion_code’] = ‘Promotion Code’;
return $columns;
}
/* Shows content promotion code in the admin user table – Jelmer */
add_action(‘manage_users_custom_column’, ‘show_user_promotion_code_column_content’, 10, 3);
function show_user_promotion_code_column_content($value, $column_name, $user_id) {
$user = get_userdata( $user_id );
if ( ‘promotion_code’ == $column_name )
return $user->promotion_code;
return $value;
}

/*Archive category page layout JP https://kriesi.at/support/topic/category-archive-page-change-layout-to-show-excerpt
add_filter(‘avf_blog_style’,’avia_change_category_blog_layout’, 10, 2);
function avia_change_category_blog_layout($layout, $context){
if($context == ‘archive’) $layout = ‘single-big’;
return $layout;
}*/

add_filter(‘avf_blog_style’,’avia_change_category_blog_layout’, 10, 2);
function avia_change_category_blog_layout($layout, $context){
if($context == ‘archive’) $layout = ‘blog-grid’;
return $layout;
}

add_action(‘wp_footer’, ‘add_custom_tooltip’);
function add_custom_tooltip(){
?>
<script>
jQuery(window).load(function(){
jQuery(‘a’).removeAttr(‘title’);
jQuery(‘img’).removeAttr(‘title’);
});
</script>
<?php
}

/*
* This function is required to display the location map on the contact us page
* if removed then the map does not display – API key is from Theme Google services
*/
add_action(‘wp_footer’, ‘gmaps_workaround’);
function gmaps_workaround(){
?>
<!–Google Maps JavaScript API –>
<script src=”https://maps.googleapis.com/maps/api/js?key=AIzaSyCWwtEsgQqGTvuqmzrZMapkbyzqyxCKZBw”
type=”text/javascript”></script>
<script type=”text/javascript”>
jQuery(document).ready(function($){
setTimeout(function(){
$(‘#s_pdf_frame’).attr( ‘src’, function ( i, val ) { return val; });
}, 100);
});
</script>
<?php
}

// add_action(‘avia_builder_mode’, “builder_set_debug”);
function builder_set_debug()
{
return “debug”;
}

/*
* this funciton has been updated – see above post in header
* the original code is: $meta[‘page’][] = ‘events’;
*
* Adds PageBuilder to LearnDash Post Typs
* this is to enable the Advanced Builder in LearnDash – Alex
* see post at https://kriesi.at/support/topic/learndash-plugin/
*
}*/
add_filter(‘avf_builder_boxes’, ‘add_builder_to_posttype’);
function add_builder_to_posttype($metabox)
{
foreach($metabox as &$meta)
{
if($meta[‘id’] == ‘avia_builder’ || $meta[‘id’] == ‘layout’)
{
/* original code: $meta[‘page’][] = ‘events’; instead add the name of the custom post type here*/
$meta[‘page’][] = ‘sfwd-courses’;
$meta[‘page’][] = ‘sfwd-lessons’;
$meta[‘page’][] = ‘sfwd-topic’;
$meta[‘page’][] = ‘sfwd-quiz’;
}
}
return $metabox;
}

/*
* After installing Woocommerce bookings, the events table function was no longer needed
* I cannot determine whether ‘Events’ post type here is related to events…
*/
add_action( ‘init’, ‘create_post_type’ );
function create_post_type() {
register_post_type( ‘Events’,
array(
‘labels’ => array(
‘name’ => __( ‘Events’ ),
‘singular_name’ => __( ‘Event’ )
),
‘public’ => true,
‘has_archive’ => false,
‘hierarchical’ => true,
‘supports’ => array( ‘title’, ‘editor’)
)
);

register_taxonomy(
‘event_categories’, //The name of the taxonomy. Name should be in slug form (must not contain capital letters or spaces).
‘events’, //post type name
array(
‘hierarchical’ => true,
‘label’ => ‘Categories’, //Display name
‘query_var’ => true
)
);
}
/*
* Goal here is to disable woocommerce from opening the default shop page which is incompatible with
* our ENFOLD Child theme and appears to be the cause of the Internal Server Error intermittent failure
* We log that the event has occurred, disbale woocommerce and then redirect to a safe page
*/
function custom_woocommerce_redirect_shop_page() {
if (is_shop()) {
// Send an email to log that this event has occured

// Get the current user info
$current_user = wp_get_current_user();
$username = $current_user->user_login;
//$is_logged_in = is_user_logged_in() ? ‘Yes’ : ‘No’;

// Send email notification if logged in (not logged in generates a hit every minute)
if (is_user_logged_in()) {
$to = (Email address hidden if logged out) ‘;
$subject = ‘WooCommerce Shop Page Disable invoked’;
$message = ‘The WooCommerce shop page open was attempted and has been disabled.’;
$message .= ‘<br>User: ‘ . $username;
//$message .= ‘<br>Logged in: ‘ . $is_logged_in;
$headers = array(‘Content-Type: text/html; charset=UTF-8’);

wp_mail($to, $subject, $message, $headers);
}
// Remove the default WooCommerce content for the shop page
remove_action(‘woocommerce_archive_description’, ‘woocommerce_taxonomy_archive_description’, 10);
remove_action(‘woocommerce_archive_description’, ‘woocommerce_product_archive_description’, 10);
remove_action(‘woocommerce_before_main_content’, ‘woocommerce_output_content_wrapper’, 10);
remove_action(‘woocommerce_after_main_content’, ‘woocommerce_output_content_wrapper_end’, 10);
remove_action(‘woocommerce_sidebar’, ‘woocommerce_get_sidebar’, 10);

// Set up a target page to redirect to
$alternative_shop_page = “https://axveco.com/en/your-next-step/&#8221; ;

// Redirect to our own next steps page
wp_redirect($alternative_shop_page);

exit;
}
}
add_action(‘template_redirect’, ‘custom_woocommerce_redirect_shop_page’);

/*
* End of functions.php
*/
?>