Code Snippets

Add Class to WordPress Menu ul element

By Victor M. Font Jr.
March 14, 2017Leave a Comment

A common support question is:

How do I add a custom class to the ul element in the WordPress navigation menu.

This code snippet will do it for you when added to functions.php.

add_filter( 'wp_nav_menu_args', 'my_custom_ul_class' );
function my_custom_ul_class( $args ){

    $args['menu_class'] .= ' my-custom-class';
    return $args;
}

add_filter( 'wp_nav_menu_args', 'my_custom_ul_class' );

function my_custom_ul_class( $args ){

$args['menu_class'] .= ' my-custom-class';

return $args;

}

Remove URL from WordPress Comment Form

By Victor M. Font Jr.
March 1, 2017Leave a Comment

The problem:

I'm getting a lot of spammers who clearly want their comment approved so they get a link to their website/url. How do I remove the website field when folks submit comments?

The Solution:

Add this to your theme's functions.php:

add_filter( 'comment_form_default_fields', 'comment_form_fields' );
function comment_form_fields( $fields ) {

    unset($fields['url']);

    return $fields;
}

add_filter( 'comment_form_default_fields', 'comment_form_fields' );

function comment_form_fields( $fields ) {

unset($fields['url']);

return $fields;

}

Add Images to Front Page Widget Areas for Infinity Pro Theme

By Victor M. Font Jr.
February 19, 20174 Comments

The Studio Press Infinity Pro theme includes a filter for customizing which front page images can have background images configured through the WordPress customizer. This snippet, when added to the theme's /lib/helper-functions.php file, will allow you to add images to all of the front page widget areas.

add_filter( 'infinity_images',  'add_infinity_pro_widget_images');
function add_infinity_pro_widget_images($images) {
    $images = array( '1', '2', '3', '4', '5', '6', '7' );
    return $images;
};

add_filter( 'infinity_images', 'add_infinity_pro_widget_images');

function add_infinity_pro_widget_images($images) {

$images = array( '1', '2', '3', '4', '5', '6', '7' );

return $images;

};

If you don't want all widget areas to have background images, just remove the number from the array. The default is 1,3,5,7. One last step to finalize this, edit front-page.php and change the solid section class to image-section for any area to which you are adding an image.

Formidable Forms: Dynamically Hide Admin Only Fields on Front End

By Victor M. Font Jr.
February 6, 2017Leave a Comment

How do I prevent fields with Admin Only visibility from displaying on the front end?

There are a few code snippets on the Formidable Forms site that help you get started with a solution. The code snippet below will retrieve and hide all fields dynamically where you have their visibility set to Administrator.

add_filter('frm_field_type', 'hide_admin_only_fields_on_front_end', 10, 2);
function hide_admin_only_fields_on_front_end($type, $field) {
	global $wpdb;
	$frm_fields = $wpdb->prefix . 'frm_fields';
	$regexp = '"admin_only";s:13:"administrator"';
	$field_ids = $wpdb->get_results("SELECT id FROM $frm_fields where field_options REGEXP '" . $regexp . "'", ARRAY_A);
	$admin_field_ids = array();
	foreach( $field_ids AS $row ) {
		$admin_field_ids[] = $row['id'];
	}
	if(in_array($field->id, $admin_field_ids )) {

		if( (!is_admin() || defined('DOING_AJAX') ) ) {

			$type = 'hidden';
		}
	}
	return $type;
}

add_filter('frm_field_type', 'hide_admin_only_fields_on_front_end', 10, 2);

function hide_admin_only_fields_on_front_end($type, $field) {

global $wpdb;

$frm_fields = $wpdb->prefix . 'frm_fields';

$regexp = '"admin_only";s:13:"administrator"';

$field_ids = $wpdb->get_results("SELECT id FROM $frm_fields where field_options REGEXP '" . $regexp . "'", ARRAY_A);

$admin_field_ids = array();

foreach( $field_ids AS $row ) {

$admin_field_ids[] = $row['id'];

}

if(in_array($field->id, $admin_field_ids )) {

if( (!is_admin() || defined('DOING_AJAX') ) ) {

$type = 'hidden';

}

return $type;

}

Genesis Move Primary Nav After Header Structural Wrap

By Victor M. Font Jr.
January 15, 2017Leave a Comment

A poster on the Studio Press Community form asked,

How do I position the primary menu after the Genesis header structural wrap, but still leave it in the header?

This code will satisfy the poster's requirement. It has been tested with the Genesis Sample theme. Other themes may require an adjustment to the action priorities.

remove_action( 'genesis_after_header', 'genesis_do_nav' );
remove_action( 'genesis_header', 'genesis_header_markup_close', 15 );
add_action('genesis_header', 'add_nav_after_structural_wrap', 15);

function add_nav_after_structural_wrap() {

	genesis_structural_wrap( 'header', 'close' );
	genesis_markup( array(
		'close'   => genesis_do_nav() . '</header>',
		'context' => 'site-header',
	) );

}

remove_action( 'genesis_after_header', 'genesis_do_nav' );

remove_action( 'genesis_header', 'genesis_header_markup_close', 15 );

add_action('genesis_header', 'add_nav_after_structural_wrap', 15);

function add_nav_after_structural_wrap() {

genesis_structural_wrap( 'header', 'close' );

genesis_markup( array(

'close' => genesis_do_nav() . '</header>',

'context' => 'site-header',

) );

}

Exclude Page from Genesis Sitemap

By Victor M. Font Jr.
May 31, 2016Leave a Comment

How do I remove this one download page from appearing in the auto generated sitemap page?—Sunnygc, Studio Press Forum

The easiest way is to exclude the page using the Genesis Sitemap Output filter. It's built into the Genesis Framework. Please refer to this article that explains how to use it: Genesis Sitemap Output Filter.

To exclude specific page(s), you would add "exclude=999" to the query string, where 999 is the id of the archive page. It looks like this:

$sitemap  =  sprintf( '<%2$s>%1$s</%2$s>', __( 'Pages:', 'genesis' ), $heading );
$sitemap .=  sprintf( '<ul>%s</ul>', wp_list_pages( 'title_li=&echo=0&exclude=999' ) );

1 2	$sitemap = sprintf( '<%2$s>%1$s</%2$s>', __( 'Pages:', 'genesis' ), $heading ); $sitemap .= sprintf( '<ul>%s</ul>', wp_list_pages( 'title_li=&echo=0&exclude=999' ) );

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Add Class to WordPress Menu ul element

Remove URL from WordPress Comment Form

The problem:

The Solution:

Add Images to Front Page Widget Areas for Infinity Pro Theme

Formidable Forms: Dynamically Hide Admin Only Fields on Front End

How do I prevent fields with Admin Only visibility from displaying on the front end?

Genesis Move Primary Nav After Header Structural Wrap

Exclude Page from Genesis Sitemap

The problem:

The Solution:

How do I prevent fields with Admin Only visibility from displaying on the front end?

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