WordPress Contextual Template Loading

contextual-template-loading.php

<?php

/**
* WordPress contextual template loading
*/
function mpress_load_template( $name ){
    if( is_front_page() ){
        if( is_home() ){
            return locate_template( array(
                $name.'-home.php',
                $name.'.php'
            ), true );
        } else{
            return locate_template( array(
                $name.'-front.php',
                $name.'-page.php',
                $name.'.php'
            ), true );
        }
    } elseif( is_home() ){
        return locate_template( array(
            $name.'-home.php',
            $name.'.php'
        ), true );
    } elseif( is_singular() ){
        if( is_page() ){
            $slug = get_queried_object()->post_name;
            $id = get_queried_object()->ID;
            return locate_template( array(
                $name.'-page-'.$slug.'.php',
                $name.'-page-'.$id.'.php',
                $name.'-page.php',
                $name.'.php'
            ), true );
        } elseif( is_single() ){
            $post_type = get_post_type();
            return locate_template( array(
                $name.'-single-'.$post_type.'-'.$slug.'.php',
                $name.'-single-'.$post_type.'-'.$id.'.php',
                $name.'-single-'.$post_type.'.php',
                $name.'-single.php',
                $name.'.php'
            ), true );
        } elseif( is_attachment() ){
            return locate_template( array(
                $name.'-attachment.php',
                $name.'-single.php',
                $name.'.php'
            ), true );
        } else{
            return locate_template( array(
                $name.'-single.php',
                $name.'.php'
            ), true );
        }
    } elseif( is_archive() ){
        if( is_category() ){
            $slug = get_queried_object()->slug;
            $id = get_queried_object()->term_id;
            return locate_template( array(
                $name.'-category-'.$slug.'.php',
                $name.'-category-'.$id.'.php',
                $name.'-category.php',
                $name.'-taxonomy.php',
                $name.'-archive.php',
                $name.'.php'
            ), true );
        } elseif( is_tag() ){
            $slug = get_queried_object()->slug;
            $id = get_queried_object()->term_id;
            return locate_template( array(
                $name.'-tag-'.$slug.'.php',
                $name.'-tag-'.$id.'.php',
                $name.'-tag.php',
                $name.'-taxonomy.php',
                $name.'-archive.php',
                $name.'.php'
            ), true );
        } elseif( is_tax() ){
            $taxonomy = get_queried_object()->taxonomy;
            $term = get_queried_object()->slug;
            return locate_template( array(
                $name.'-taxonomy-'.$taxonomy.'-'.$term.'.php',
                $name.'-taxonomy-'.$taxonomy.'.php',
                $name.'-taxonomy.php',
                $name.'-archive.php',
                $name.'.php'
            ), true );
        } elseif( is_author() ){
            $nicename = get_queried_object()->user_nicename;
            $id = get_queried_object()->ID;
            return locate_template( array(
                $name.'-author-'.$nicename.'.php',
                $name.'-author-'.$id.'.php',
                $name.'-author.php',
                $name.'-archive.php',
                $name.'.php'
            ), true );
        } elseif( is_date() ){
            return locate_template( array(
                $name.'-date.php',
                $name.'-archive.php',
                $name.'.php'
            ), true );
        } else {
            return locate_template( array(
                $name.'-archive.php',
                $name.'.php'
            ), true );
        }
    } elseif( is_search() ){
        return locate_template( array(
            $name.'-search.php',
            $name.'.php'
        ), true );
    } elseif( is_404() ){
        return locate_template( array(
            $name.'-404.php',
            $name.'.php'
        ), true );
    } else{
        return locate_template( array(
            $name.'.php'
        ), true );
    }
}