Hide Some Categories in Post Editor
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Hello,
I run a multi author blog. I want authors not to be able to publish posts under some categories(Suppose ‘selected’, ‘editorial’). So I want to hide them in post editor.I tried this code:
add_filter('list_terms_exclusions', 'yoursite_list_terms_exclusions', 10, 2); function yoursite_list_terms_exclusions( $exclusions, $args ) { global $pagenow; if (in_array($pagenow,array('post.php','post-new.php')) && !current_user_can('manage_options')) { $exclusions = " {$exclusions} AND t.slug NOT IN ('selected','editorial')"; } return $exclusions; }But it is not working. I used this code too:
function hide_categories_for_specific_user( $exclusions, $args ){ if (!current_user_can('manage_options') ) { // IDs of terms to be excluded $exclude_array = array("5","6"); // CHANGE THIS TO IDs OF YOUR TERMS // Generation of exclusion SQL code $exterms = wp_parse_id_list( $exclude_array ); foreach ( $exterms as $exterm ) { if ( empty($exclusions) ) $exclusions = ' AND ( t.term_id <> ' . intval($exterm) . ' '; else $exclusions .= ' AND t.term_id <> ' . intval($exterm) . ' '; } // Closing bracket if ( !empty($exclusions) ) $exclusions .= ')'; // Return our SQL statement return $exclusions; } } // Finally hook up our filter add_filter( 'list_terms_exclusions', 'hide_categories_for_specific_user', 10, 2 );It works in the post editor but it breaks category widget in the front-end for non-admin users.
I used several plugins for that. “Restrict Categories, Author category” etc. But no luck. I am currently hiding them using css :nth-of-type. But works for add new post but it breaks when authors edit their post.
Can anyone help me?
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I believe the plug-in mentioned by @bizanimesh doesn’t filter categories on the WordPress Dashboard. It only works on the front-end. Please correct me if I’m wrong though.
I was looking into the code provided by @sumon1068 on your original post for a few hours now. And from what I found, it and the other plug-ins that you mentioned doesn’t work on Gutenberg.
For some reason, it starts working if I remove the if condition and have it as follows:
add_filter( 'list_terms_exclusions', 'yoursite_list_terms_exclusions', 10, 2 ); function yoursite_list_terms_exclusions( $exclusions, $args ) { return $exclusions . " AND t.slug NOT IN ( 'selected', 'editorial' )"; }But this removes the categories from the front-end as well. So I haven’t really found a solution for Gutenberg yet.
Just wanted to post my findings.
Edit: Adding an if statement anywhere on the code before changing the
$exclusionscauses it to stop working. Even if I add the if statement in another function and add it toadmin_initand add the filter from there.Thanks @sumon1068, I got this link after searching a lot, I did all things to hide categories in admin none of the plugin are working now for this function and finally.
I made some modifications for those who want to use id instead of slugfunction hide_categories_for_specific_user( $exclusions, $args ){
if ( ((defined( ‘REST_REQUEST’ ) && REST_REQUEST) or $GLOBALS[‘pagenow’] === ‘edit.php’ ) && !current_user_can( ‘manage_options’ ) ) {
// IDs of terms to be excluded
$exclude_array = array(“12″,”16″,”17”); // CHANGE THIS TO IDs OF YOUR TERMS
// Generation of exclusion SQL code
$exterms = wp_parse_id_list( $exclude_array );
foreach ( $exterms as $exterm ) {
if ( empty($exclusions) )
$exclusions = ‘ AND ( t.term_id <> ‘ . intval($exterm) . ‘ ‘;
else
$exclusions .= ‘ AND t.term_id <> ‘ . intval($exterm) . ‘ ‘;
}
// Closing bracket
if ( !empty($exclusions) )
$exclusions .= ‘)’;
// Return our SQL statement
}
return $exclusions;
}// Finally hook up our filter
add_filter( ‘list_terms_exclusions’, ‘hide_categories_for_specific_user’, 10, 2 );`
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