Function to disable comments in WordPress
// Disable comments on all post types
function df_disable_comments_post_types_support() {
$post_types = get_post_types();
foreach ($post_types as $post_type) {
if(post_type_supports($post_type, 'comments')) {
remove_post_type_support($post_type, 'comments');
remove_post_type_support($post_type, 'trackbacks');
}
}
}
add_action('admin_init', 'df_disable_comments_post_types_support');
// Close comments on the front-end
function df_disable_comments_status() {
return false;
}
add_filter('comments_open', 'df_disable_comments_status', 20, 2);
add_filter('pings_open', 'df_disable_comments_status', 20, 2);
// Hide existing comments
function df_disable_comments_hide_existing_comments($comments) {
$comments = array();
return $comments;
}
add_filter('comments_array', 'df_disable_comments_hide_existing_comments', 10, 2);
// Remove comments page in menu
function df_disable_comments_admin_menu() {
remove_menu_page('edit-comments.php');
}
add_action('admin_menu', 'df_disable_comments_admin_menu');
// Redirect any user trying to access comments page
function df_disable_comments_admin_menu_redirect() {
global $pagenow;
if ($pagenow === 'edit-comments.php') {
wp_redirect(admin_url()); exit;
}
}
add_action('admin_init', 'df_disable_comments_admin_menu_redirect');
Function to remove Divi Projects in WordPress
add_filter( 'et_project_posttype_args', 'mytheme_et_project_posttype_args', 10, 1 );
function mytheme_et_project_posttype_args( $args ) {
return array_merge( $args, array(
'public' => false,
'exclude_from_search' => false,
'publicly_queryable' => false,
'show_in_nav_menus' => false,
'show_ui' => false
));
}
Show remaining cost on WooCommerce site to get free shipping
Add this to the functions.php file and then add the shortcode of [shippingleft] to get it to show up.
function how_much_shipping_is_left() {
$min_amount = 100; //change this to your free shipping threshold
$current = WC()->cart->subtotal;
if ( $current < $min_amount ) {
$added_text = 'Get free shipping if you order ' . wc_price( $min_amount - $current ) . ' more!';
$notice = sprintf( '%s', $added_text );
return $notice;
} else {
$notice = "Order total is over £100 and shipping is free";
return $notice;
}
}
add_shortcode('shippingleft', 'how_much_shipping_is_left');
WooCommerce hide Klarna payment method if order total is under £35
Add this to the functions.php to hide Klarna payment method if the order total is under £35
//hide klarna if order total is under £35
add_filter( 'woocommerce_available_payment_gateways', 'rudr_turn_off_cod' );
function rudr_turn_off_cod( $available_gateways ) {
if( is_admin() ) {
return $available_gateways;
}
// STEP 1: Get order/cart total
if( is_wc_endpoint_url( 'order-pay' ) ) { // Pay for order page
$order_id = wc_get_order_id_by_order_key( $_GET[ 'key' ] );
$order = wc_get_order( $order_id );
$order_total = $order->get_total();
} else { // Cart/Checkout page
$order_total = WC()->cart->total;
}
// STEP 2: Disable payment gateway if order/cart total is less than 35
if ( $order_total < 35 ) {
unset( $available_gateways[ 'klarna_payments' ] ); // unset klarna
}
return $available_gateways;
}
Show users how much they need to spend to qualify for Klarna on a WooCommerce site
Add this to the functions.php file and then add the shortcode of [dividebyklarna] to get it to show up.
// function that runs when shortcode is called
function wpb_nick_klarna() {
global $product;
$klarnaprice = get_post_meta( get_the_ID(), '_regular_price', true);
$klarnasaleprice = get_post_meta( get_the_ID(), '_sale_price', true);
$y = $klarnaprice;
$x = $klarnasaleprice;
$number = ($y) / 3;
$numbersale = ($x) / 3;
$rounded = round($number,2);
$roundedsale = round($numbersale,2);
if ( $product->is_type( 'simple' ) ) {
if($klarnaprice >=35 && $klarnaprice <=2000000 ) {
if(empty($klarnasaleprice)){
$message = '<div class="makepaymentsblock klarnablock">Make 3 payments of '
.$message = '£'.$rounded
.$message = ' using <strong>Klarna</strong> with no fees and 0% interest. <a class="sg-popup-id-24192" href="">Read More</a></div>';
} else {
$message = '<div class="makepaymentsblock klarnablock">Make 3 payments of '
.$message = '£'.$roundedsale
.$message = ' using <strong>Klarna</strong> with no fees and 0% interest. <a class="sg-popup-id-24192" href="">Read More</a></div>';
}
} else {
if(empty($klarnasaleprice)){
$message = '<div class="makepaymentsblock klarnablock">The minimum amount for Klarna is £35 <br/><a class="sg-popup-id-24192" href="">Read More</a></div>';
} else {
$message = '<div class="makepaymentsblock klarnablock">The minimum amount for Klarna is £35 <br/><a class="sg-popup-id-24192" href="">Read More</a></div>';
}
}
// Output needs to be return
return $message;
}
}
// register shortcode
add_shortcode('dividebyklarna', 'wpb_nick_klarna');
Show users how much they need to spend to qualify for PayPal on a WooCommerce site
Add this to the functions.php file and then add the shortcode of [dividebypaypal] to get it to show up.
// function that runs when shortcode is called
function wpb_nick_paypal() {
global $product;
$paypalprice = get_post_meta( get_the_ID(), '_regular_price', true);
$paypalsaleprice = get_post_meta( get_the_ID(), '_sale_price', true);
$y = $paypalprice;
$x = $paypalsaleprice;
$number = ($y) / 4;
$numbersale = ($x) / 4;
$rounded = round($number,2);
$roundedsale = round($numbersale,2);
if ( $product->is_type( 'simple' ) ) {
if($paypalprice >=99 && $paypalprice <=2000000 ) {
if(empty($paypalsaleprice)){
$message = '<div class="makepaymentsblock paypalblock">Make 4 payments of '
.$message = '£'.$rounded
.$message = ' using <strong>PayPal Credit</strong> with no fees and 0% interest. <a class="sg-popup-id-24194" href="">Read More</a></div>';
} else {
$message = '<div class="makepaymentsblock paypalblock">Make 4 payments of '
.$message = '£'.$roundedsale
.$message = ' using <strong>PayPal Credit</strong> with no fees and 0% interest. <a class="sg-popup-id-24194" href="">Read More</a></div>';
}
} else {
if(empty($paypalsaleprice)){
$message = '<div class="makepaymentsblock paypalblock">The minimum amount for PayPal Credit is £99 <br/><a class="sg-popup-id-24194" href="">Read More</a></div>';
} else {
$message = '<div class="makepaymentsblock paypalblock">The minimum amount for PayPal Credit is £99 <br/><a class="sg-popup-id-24194" href="">Read More</a></div>';
}
}
// Output needs to be return
return $message;
}
}
// register shortcode
add_shortcode('dividebypaypal', 'wpb_nick_paypal');
Output additional image sizes on the frontend of WordPress
Use this to find all the additional image sizes your site is using
/* Output all image sizes on the frontend
---------------------------------------------------------------------------------------------------- */
add_action('init', 'get_all_image_sizes');
function get_all_image_sizes(){
global $_wp_additional_image_sizes;
print '<pre>';
print_r( $_wp_additional_image_sizes );
print '</pre>';
}
Disable Divi Custom Post Type CSS file
Add this to your functions files to disable/remove the Divi CPT CSS file from being used.
/* Disable Divi CPT CSS */
function disable_cptdivi() {
remove_action( 'wp_enqueue_scripts', 'et_divi_replace_stylesheet', 99999998 );
}
add_action('init', 'disable_cptdivi');
add_filter( 'woocommerce_product_tabs', 'bbloomer_remove_product_tabs', 9999 );
How to enable WordPress debug mode and log errors
To enable error logging, create an empty file named “php-errors.log”. Place it in a directory that is not publicly accessible (preferably outside your web root) and ensure it is writable by the web server. Then add the following code to wp-config.php:
@ini_set('log_errors', 'On');
@ini_set('error_log', '/full/path/to/php-errors.log');
By default, only fatal errors and warnings will be logged. To also log notices and other messages, enable the WP_DEBUG option by adding this code:
//Report all types of errors.
define('WP_DEBUG', true);
//Don't show errors to site visitors.
define('WP_DEBUG_DISPLAY', false);
Remove query strings from static resources in WordPress
Use this to remove query strings from static resources in WordPress
// Remove query strings from static resources
function _remove_script_version( $src ){
$parts = explode( '?ver', $src );
return $parts[0];
}
add_filter( 'script_loader_src', '_remove_script_version', 15, 1 );
add_filter( 'style_loader_src', '_remove_script_version', 15, 1 );
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