customization - Read For Learn

Prevent duplicate posts in wp_insert_post using custom fields

To save the link in the post meta you can use update_post_meta like this for example: $url = “http://sample.com/entertainment/default.aspx?tabid=2305&conid=102950” $my_post = array( ‘post_title’ => “$title”, ‘post_content’ => “$content”, ‘post_status’ => ‘draft’, ‘post_author’ => 1, ‘post_category’ => array(1), ); $post_id = wp_insert_post( $my_post ); update_post_meta($post_id,’source_link’,$url); and to prevent the insertion add a simple conditional check: $args … Read more

How to add users roles dropdown in registration in wordpress

https://codex.wordpress.org/Customizing_the_Registration_Form https://codex.wordpress.org/Function_Reference/wp_update_user Instead of update_user_meta function in user_register hook use wp_update_user Following is the working example: //1. Add a new form element… add_action( ‘register_form’, ‘myplugin_register_form’ ); function myplugin_register_form() { global $wp_roles; echo ‘<select name=”role” class=”input”>’; foreach ( $wp_roles->roles as $key=>$value ) { // Exclude default roles such as administrator etc. Add your own if ( … Read more

Multiple Domains and Subdomains Using Multisite Installation

Yes you can, I use 25 sub sites with different domains. 1- Point your domains to WP root folder. 2- Add a new site: 3- Edit it: 4- Change URL to a new domain:

How Can A Widget With Only One Instance Be Defined?

Simple way would be to set some global variable on first widget run and check for it. Output nothing or informational message if it is already set. Proper way would probably be to work with interface and remove widget from available when you add it to sidebar, but that is way out of my league.

Post source link plugin – small modification

You can do it like so: (use this in place of the one in the question) <?php global $post, $pages, $page; $total = count( $pages ); // Show if there’s only one page, or that we’re on the last page. if ( $total < 2 || $page === $total ) : // Show if the … Read more

Showing current taxonomy terms

try this: <?php get_header(); ?> <? // get the current term $term = get_term_by( ‘slug’, get_query_var( ‘term’ ), get_query_var( ‘taxonomy’ ) ); <div class=”container” role=”main”> <h1 class=”entry-title”><?php echo $term->name; ?></h1> <div class=”entry-content ref”> <?php $loop = new WP_Query( array( ‘post_type’ => ‘references’ , ‘genre’ => $term->slug) ); ?> <?php while ( $loop->have_posts() ) : $loop->the_post(); … Read more

WordPress custom post types breaks permalink on theme reinstall

The new permalink structure is only saved when WP_Rewrite::flush_rules() is called. Because this is an expensive operation (calculating the new rules and saving them to the database), you should not do it on every init call, but only when you change the structure. The custom post type however must be registered at every init call, … Read more

TinyMCE style_select – Append Classes

EDIT The quick and easy method is just a simple setting: style_formats_merge… function myformatTinyMCE($in) { $style_formats = array( array( ‘title’ => ‘Classes’, ‘items’ => array( array( ‘title’ => ‘Blue Color’, ‘selector’ => ‘p,strong,u,em,ol,ul’, ‘classes’ => ‘blueColor’ ) ) ) ); $in[‘style_formats_merge’] = true; $in[‘style_formats’] = json_encode( $style_formats ); return $in; } add_filter(‘tiny_mce_before_init’, ‘myformatTinyMCE’ ); Everything … Read more

How do I create a widget that only allows a single instance?

I know this is a super old question, but searching for solutions 8 years later didn’t yield many results aside from this unresolved question (and a few other vague answers). Nothing I found on this site worked for me so if others arrive on this page looking for a way to limit a widget-area to … Read more

adding a custom css class to post

Note – I recommend using the hook suggested by @Chip Bennett in another answer Here’s the modified version of that filter – function wpse_filter_post_class( $classes ) { $my_post_class = get_post_meta($post->ID, “your_meta_name”); if( $my_post_class != ” ) $classes[] = $my_post_class; return $classes; } add_filter( ‘post_class’, ‘wpse_filter_post_class’ ); You can setup a Custom fileds for that – … Read more

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