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Hello im using this code in the admin to filter custom post types edit.php page

but get_current_screen $screen->post_type is throwing a php notice.

Notice: Trying to get property of non-object

add_action( 'parse_query', 'filtering_edit_table' );

function filtering_edit_table( $query ) {

$screen = get_current_screen();

if( is_admin() && $screen->post_type == 'custom_post_type' && $screen->base == 'edit' ) {
           // Do some things     
            }

}

How can I fix this?

Edit:

I am already requiring screen.php which contains get_current_screen()

require_once(ABSPATH . 'wp-admin/includes/screen.php');

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1 Answer 1

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I tested this code and it worked fine. Where are you requireing screen.php? Same way as this?

require_once(ABSPATH . 'wp-admin/includes/screen.php');
add_action( 'parse_query', 'filtering_edit_table' );

function filtering_edit_table( $query ) {
    $screen = get_current_screen();

    if( is_admin() && $screen->post_type == 'custom_post_type' && $screen->base == 'edit' ) {
        print_r($screen);
    }
}
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5
  • Not working throws a Fatal error. PHP Fatal error: Call to undefined function current_screen(). Also I required once the screen.php require_once(ABSPATH . 'wp-admin/includes/screen.php'); Commented Aug 7, 2015 at 5:19
  • Testted, works fine for me. Don't require screen.php, it's already loaded. Commented Aug 7, 2015 at 6:07
  • I need it to work with the parse_query action hook not the current_screen action hook. Commented Aug 10, 2015 at 5:15
  • See my edit. Tested, works. Commented Aug 10, 2015 at 5:39
  • Why is this happening on my Windows computer (using WAMP) and not on my Mac (using MAMP) ? Commented Jun 24, 2019 at 8:30

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