{"id":1311,"date":"2017-10-05T15:50:38","date_gmt":"2017-10-06T01:50:38","guid":{"rendered":"http:\/\/mymonkeydo.com\/?p=1311"},"modified":"2017-10-05T15:50:38","modified_gmt":"2017-10-06T01:50:38","slug":"where-is-wp_capabilities","status":"publish","type":"post","link":"https:\/\/mymonkeydo.com\/where-is-wp_capabilities\/","title":{"rendered":"Where is wp_capabilities?"},"content":{"rendered":"

Problem<\/h2>\n

After creating a user with a certain role I need to do a custom sql query where it only selected users of a specific role.\u00a0 This failed to find anything:<\/p>\n

select u.ID, u.display_name, u.user_login
\nfrom $wpdb->users as u
\ninner join $wpdb->usermeta as umr
\non ( umr.user_id = u.ID )
\nand ( umr.meta_key = 'wp_capabilities' )
\n<\/code><\/p>\n

$user = get_userinfo( $user_id );
\nvar_dump( $user->roles );
\n<\/code><\/p>\n

get_userinfo got the right role, so saving was correct.<\/p>\n

$caps = get_user_meta( $user_id, 'wp_capabilities' );
\nvar_dump( $caps );
\n<\/code><\/p>\n

$caps was null.\u00a0 weird.<\/p>\n

 <\/p>\n

Solution<\/h2>\n

You learn something new everyday.\u00a0 After looking through the WordPress core code I found that the meta key is actually composed of the table prefix and ‘capabilities’.\u00a0 So the correct query would be:<\/p>\n

select u.ID, u.display_name, u.user_login
\nfrom $wpdb->users as u
\ninner join $wpdb->usermeta as umr
\non ( umr.user_id = u.ID )
\nand ( umr.meta_key = '\" . $wpdb->prefix . \"capabilities' )
\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[2],"tags":[51,54,64],"yoast_head":"\nWhere is wp_capabilities? - My Monkey Do<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mymonkeydo.com\/where-is-wp_capabilities\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Where is wp_capabilities? - My Monkey Do\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mymonkeydo.com\/where-is-wp_capabilities\/\" \/>\n<meta property=\"og:site_name\" content=\"My Monkey Do\" \/>\n<meta property=\"article:published_time\" content=\"2017-10-06T01:50:38+00:00\" \/>\n<meta name=\"author\" content=\"Webhead\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Webhead\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mymonkeydo.com\/where-is-wp_capabilities\/\",\"url\":\"https:\/\/mymonkeydo.com\/where-is-wp_capabilities\/\",\"name\":\"Where is wp_capabilities? 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