2

Im wondering if it's possible to add custom post state's to other pages? Like Frontpage and Blog

I mean the black text: --Voorpagina (Frontpage)
Post State WordPresss

I have tried this in functions.php.

add_filter('display_post_states', 'wpsites_custom_post_states');

function wpsites_custom_post_states($states) { 
    global $post; 
    if( ('page' == get_post_type($post->ID) ) 
        && ( '/themes/Lef-en-Liefde/woningoverzicht.php' == get_page_templ‌​ate_slug( $post->ID ) ) ) {

            $states[] = __('Custom state'); 

    } 
} 

But then the original post states (frontpage and blog) are gone.

Thanks in advance,

Gino

3
  • What research have you done and what code have you tried? Sep 21 '16 at 13:53
  • May you please elaborate your question? As @AndyMacaulay-Brook stated, what have you tried so far? This way we can help understand your situation. Sep 21 '16 at 13:56
  • I have tried this in functions.php. <?php add_filter('display_post_states', 'wpsites_custom_post_states'); function wpsites_custom_post_states($states) { global $post; if( ('page'==get_post_type($post->ID)) && ('/themes/Lef-en-Liefde/woningoverzicht.php'==get_page_template_slug($post->ID)) ) { $states[] = __('Custom state'); } } But then the original post states (frontpage and blog) are gone.
    – Gino
    Sep 21 '16 at 14:12
3

Your function doesn't return a value, so you are effectively wiping the existing states.

Also, this hook passes you the current post as an object, so you can use that instead of the global $post.

Additionally get_page_templ‌​ate_slug returns a path that is relative to your theme's root, so if your theme directory is called Lef-en-Liefde and the template file placed at the top level of that directory is called woningoverzicht.php, then your condition '/themes/Lef-en-Liefde/woningoverzicht.php' == get_page_templ‌​ate_slug($post->ID) can never be true.

So, correcting/changing for those points, this should work:

add_filter('display_post_states', 'wpse240081_custom_post_states',10,2);

function wpse240081_custom_post_states( $states, $post ) { 
    
    if ( ( 'page' == get_post_type( $post->ID ) ) 
        && ( 'woningoverzicht.php' == get_page_templ‌​ate_slug( $post->ID ) ) ) {

            $states[] = __('Custom state'); 

    } 

    return $states;
} 
2
  • You'd need to add priority and arg number params to the add_filter call for this to work. See an example below in @roland-soos comment. Dec 30 '20 at 20:11
  • @certainlyakey yes, good catch, thanks! Jan 14 at 19:41
1

Here is how WooCommerce does it:

<?php
add_filter( 'display_post_states', 'add_display_post_states', 10, 2 );

/**
 * Add a post display state for special WC pages in the page list table.
 *
 * @param array   $post_states An array of post display states.
 * @param WP_Post $post        The current post object.
 */
function add_display_post_states( $post_states, $post ) {
    if ( wc_get_page_id( 'shop' ) === $post->ID ) {
        $post_states['wc_page_for_shop'] = __( 'Shop Page', 'woocommerce' );
    }

    if ( wc_get_page_id( 'cart' ) === $post->ID ) {
        $post_states['wc_page_for_cart'] = __( 'Cart Page', 'woocommerce' );
    }

    if ( wc_get_page_id( 'checkout' ) === $post->ID ) {
        $post_states['wc_page_for_checkout'] = __( 'Checkout Page', 'woocommerce' );
    }

    if ( wc_get_page_id( 'myaccount' ) === $post->ID ) {
        $post_states['wc_page_for_myaccount'] = __( 'My Account Page', 'woocommerce' );
    }

    if ( wc_get_page_id( 'terms' ) === $post->ID ) {
        $post_states['wc_page_for_terms'] = __( 'Terms and Conditions Page', 'woocommerce' );
    }

    return $post_states;
}
1

If you use that filter in custom plugin, you will need to use the function "get_post_meta" because the function "get_page_templ‌​ate_slug" is not already loaded

exemple:

add_filter('display_post_states', 'wpse240081_custom_post_states', 10, 2);

function wpse240081_custom_post_states( $states, $post ) {
    
    // if is list page and name template file php...
    if ( ( 'page' == get_post_type( $post->ID ) ) && ( 'your-template-name.php' == get_post_meta( $post->ID, '_wp_page_template', true ) ) ) {

        $states[] = __('Custom state');
    }

    return $states;
}

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