plugin-development - Read For Learn

I have been trying to return a $wpdb->insert_id; but unfortunately, it is returning null; That’s not true, you haven’t been returning $wpdb->insert_id at all. // insert $toevoegen = $wpdb->insert( … ); $lastinsertid = $toevoegen->insert_id; You’ve been returning $toevoegen->insert_id, which is wrong. According to the docs $wpdb->insert will return either false or it will return the … Read more

Jquery php request is returning a weird result

The following wasn’t wrong for me: $data = $wpdb->get_results( $wpdb->prepare( “SELECT * FROM $dbtable WHERE name = $name” ) ); It should be: $data = $wpdb->get_results( $wpdb->prepare( “SELECT * FROM {$dbtable} WHERE name = %s”, $name ) ); Then you can just die(); at the end of the function like: if( count( $data ) >= … Read more

Generating a password-protected front-end page via a plugin

add_filter postbox_classes multiple post types

Do I need to add filter twice, once for each post type? Yes! you can’t insert an array into a string, if you could it wouldn’t result in a matching filter name anyway. The filters for posts and pages are different filters. You need to add them separately. e.g. postbox_classes_post_my-metabox-api versus postbox_classes_page_my-metabox-api If I had … Read more

Progress bar in plugin within admin

wp_schedule_event not executing function call, even with add_action

Ahg…solved the problem, but why oh why. Ok, the solution is to put the add_action outside the function. function mmd_wpusercleanup_StartProcessingKeepList($nBatch) { $args = array(‘nBatch’ => $nBatch); if (wp_next_scheduled(‘mmd_ProcessKeepBatch’)) wp_clear_scheduled_hook( ‘mmd_ProcessKeepBatch’ ); $Status = wp_schedule_event( current_time(‘timestamp’), ‘MMD_cleanupevent’, ‘mmd_ProcessKeepBatch’, array( $args ) ); } // GOES HERE INSTEAD. add_action( ‘mmd_ProcessKeepBatch’, ‘mmd_wpusercleanup_ProcessKeepBatch’ ); Hopefully this can help someone … Read more

Upload product image from frontside for administrator only

How to display specific data from a custom table to logged in users with a custom role

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WordPress Does not grab the string sends useing AJAX response, wp_ajax hook

I need to combine Pages Listing and Main Menu from frontend in WordPress

$wpbd->insert_id is returning null