CategorySnippets

Get email alerts about 404 errors on your WordPress site

Ever wanted to get email alerts about 404 errors on your WordPress site?

Jeff Starr over at WP Mix posted a snippet yesterday for doing just that. And I, having a little time on my hands, decided to give it the ol’ OOP-once-over.

The original WP Mix post called for dropping the entire snippet into the top of your WordPress theme’s 404.php file, but I generally don’t like to clutter up my template files with extra non-theme stuff. So I converted it into a class which can then be easily instantiated in with these two lines:

if ( class_exists( 'Clean_404_Email' ) )
	new Clean_404_Email;

Not bad, considering the original snippet called for dropping in 83 lines of extra code!

I also converted the email format to a use a table, just so it’s a little more orderly about it.

Many users take advantage of freely-available tools like Google’s Webmaster Tools or other services to track a site’s 404 errors. This class gives you the short and sweet of it, and there’s no waiting around. If somebody gets a 404 on your site, WordPress will email you on the spot.

The gist is available on GitHub and also embedded below.

Photo used under CC. Photo by Jeremy Keith (adactio/Flickr)

Force sub-categories to use the parent category template

A couple of times in the last several years, I’ve needed sub-categories to inherit their parent’s archive template, but it’s just not something the Template Hierarchy supports. I’ve seen several plugins that tried and failed to do it, so finally I wrote a little filter that in my testing, works any number of levels deep, from sub-sub-categories to sub-sub-sub-categories. Enjoy!


function new_subcategory_hierarchy() {	
	$category = get_queried_object();

	$parent_id = $category->category_parent;

	$templates = array();
	
	if ( $parent_id == 0 ) {
		// Use default values from get_category_template()
		$templates[] = "category-{$category->slug}.php";
		$templates[] = "category-{$category->term_id}.php";
		$templates[] = 'category.php';		
	} else {
		// Create replacement $templates array
		$parent = get_category( $parent_id );

		// Current first
		$templates[] = "category-{$category->slug}.php";
		$templates[] = "category-{$category->term_id}.php";

		// Parent second
		$templates[] = "category-{$parent->slug}.php";
		$templates[] = "category-{$parent->term_id}.php";
		$templates[] = 'category.php';	
	}
	return locate_template( $templates );
}

add_filter( 'category_template', 'new_subcategory_hierarchy' );

Add ‘Edit User’ Toolbar link on author archives

Currently it takes 3-4 steps to get to a user’s edit screen from the front-end, which really comes down to a lot of wasted time when you’re working on a user-heavy site. One of my biggest usability pet peeves is unnecessary extra steps. On the WordPress front-end, we have ‘Edit *’ Toolbar links for objects like taxonomy terms and post types, so why not users?

The question was raised recently by John Blackbourn on Trac and I think it has a lot of merit. I’ll concede that the inherent behavior of an edit link on an archive shouldn’t be to edit an object but an author archive (usually) serves dual purposes: Author info and author archive.

Here’s the snippet I worked up from @lessbloat’s revised patch:

function ww_toolbar_edit_user_link( $wp_admin_bar ) {
	$current = get_queried_object();
	
	// Check that it's a WP_User object and user is editable
	if ( is_a( $current, 'WP_User' ) 
		&& current_user_can( 'edit_user', $current->ID ) ) {
	
		// Add the menu
		$wp_admin_bar->add_menu( array(
			'id' => 'edit',
			'title' => __( 'Edit User' ),
			'href' => get_edit_user_link( $current->ID ),
			'meta' => array(
				'title' => __( 'Edit User' )
			)
		) );
	}
}
add_action( 'admin_bar_menu', 'ww_toolbar_edit_user_link', 81 );

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