{"id":1288,"date":"2017-02-16T15:07:35","date_gmt":"2017-02-17T01:07:35","guid":{"rendered":"http:\/\/mymonkeydo.com\/?p=1288"},"modified":"2017-02-16T15:07:35","modified_gmt":"2017-02-17T01:07:35","slug":"wordpress-capabilities-with-map_meta_cap-and-user_has_cap","status":"publish","type":"post","link":"https:\/\/mymonkeydo.com\/wordpress-capabilities-with-map_meta_cap-and-user_has_cap\/","title":{"rendered":"WordPress Capabilities with map_meta_cap and user_has_cap"},"content":{"rendered":"<p>The two functions, map_meta_cap and user_has_cap allow you to\u00a0change capabilities on the fly without having to add to roles in the database. \u00a0These also allow you to have a ton of flexibility.<\/p>\n<p><iframe title=\"Andrew Nacin: Current User Can Watch This Talk\" width='500' height='282' src='https:\/\/videopress.com\/embed\/9UMawgAx?hd=0' frameborder='0' allowfullscreen><\/iframe><script src='https:\/\/v0.wordpress.com\/js\/next\/videopress-iframe.js?m=1435166243'><\/script><\/p>\n<p>Some examples from the talk:<\/p>\n<p><strong>\u00a0If you can edit pages, you can edit widgets:<\/strong><br \/>\n<code>add_filter( 'user_has_cap',<br \/>\nfunction( $caps ) {<br \/>\nif ( ! empty( $caps['edit_pages'] ) )<br \/>\n$caps['edit_theme_options'] = true;<br \/>\nreturn $caps;<br \/>\n} );<\/code><\/p>\n<p><strong>Give secondary &#8220;administrators&#8221; less control:<\/strong><br \/>\n<code>add_filter( 'user_has_cap',<br \/>\nfunction( $caps, $cap, $args ) {<br \/>\n$user_id = $args[1];<br \/>\n$user = new WP_User( $user_id );<br \/>\n$email = $user-&gt;user_email;<br \/>\nif ( $email != get_option( 'admin_email' ) )<br \/>\n$caps['manage_options'] = false;<br \/>\nreturn $caps;<br \/>\n}, 10, 3 );<\/code><\/p>\n<p><strong>Don&#8217;t let anyone delete users:<\/strong><br \/>\n<code>add_filter( 'map_meta_cap',<br \/>\nfunction( $required_caps, $cap ) {<br \/>\nif ( 'delete_user' == $cap || 'delete_users' == $cap )<br \/>\n$required_caps[] = 'do_not_allow';<br \/>\nreturn $required_caps;<br \/>\n}, 10, 2 );<\/code><\/p>\n<p><strong>Only administrators can delete published posts:<\/strong><br \/>\n<code>add_filter( 'map_meta_cap',<br \/>\nfunction( $required_caps, $cap ) {<br \/>\nif ( 'delete_post' == $cap )<br \/>\n$required_caps[] = 'manage_options';<br \/>\nreturn $required_caps;<br \/>\n}, 10, 2 );<\/code><\/p>\n<p><strong>Require editors to approve posts:<\/strong><br \/>\n<code>add_filter( 'map_meta_cap',<br \/>\nfunction( $required_caps, $cap ) {<br \/>\nif ( 'publish_post' == $cap || 'publish_posts' == $cap )<br \/>\n$required_caps[] = 'edit_others_post';<br \/>\nreturn $required_caps;<br \/>\n}, 10, 2 );<\/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":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - 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