这是一个针对帖子和媒体的完整解决方案（此代码专门针对作者，但您可以针对任何用户角色对其进行更改）。这还可以在不破坏核心文件的情况下修复帖子/媒体数量。
// Show only posts and media related to logged in author
add_action(\'pre_get_posts\', \'query_set_only_author\' );
function query_set_only_author( $wp_query ) {
global $current_user;
if( is_admin() && !current_user_can(\'edit_others_posts\') ) {
$wp_query->set( \'author\', $current_user->ID );
add_filter(\'views_edit-post\', \'fix_post_counts\');
add_filter(\'views_upload\', \'fix_media_counts\');
}
}
// Fix post counts
function fix_post_counts($views) {
global $current_user, $wp_query;
unset($views[\'mine\']);
$types = array(
array( \'status\' => NULL ),
array( \'status\' => \'publish\' ),
array( \'status\' => \'draft\' ),
array( \'status\' => \'pending\' ),
array( \'status\' => \'trash\' )
);
foreach( $types as $type ) {
$query = array(
\'author\' => $current_user->ID,
\'post_type\' => \'post\',
\'post_status\' => $type[\'status\']
);
$result = new WP_Query($query);
if( $type[\'status\'] == NULL ):
$class = ($wp_query->query_vars[\'post_status\'] == NULL) ? \' class="current"\' : \'\';
$views[\'all\'] = sprintf(
\'<a href="%1$s"%2$s>%4$s <span class="count">(%3$d)</span></a>\',
admin_url(\'edit.php?post_type=post\'),
$class,
$result->found_posts,
__(\'All\')
);
elseif( $type[\'status\'] == \'publish\' ):
$class = ($wp_query->query_vars[\'post_status\'] == \'publish\') ? \' class="current"\' : \'\';
$views[\'publish\'] = sprintf(
\'<a href="%1$s"%2$s>%4$s <span class="count">(%3$d)</span></a>\',
admin_url(\'edit.php?post_type=post\'),
$class,
$result->found_posts,
__(\'Publish\')
);
elseif( $type[\'status\'] == \'draft\' ):
$class = ($wp_query->query_vars[\'post_status\'] == \'draft\') ? \' class="current"\' : \'\';
$views[\'draft\'] = sprintf(
\'<a href="%1$s"%2$s>%4$s <span class="count">(%3$d)</span></a>\',
admin_url(\'edit.php?post_type=post\'),
$class,
$result->found_posts,
__(\'Draft\')
);
elseif( $type[\'status\'] == \'pending\' ):
$class = ($wp_query->query_vars[\'post_status\'] == \'pending\') ? \' class="current"\' : \'\';
$views[\'pending\'] = sprintf(
\'<a href="%1$s"%2$s>%4$s <span class="count">(%3$d)</span></a>\',
admin_url(\'edit.php?post_type=post\'),
$class,
$result->found_posts,
__(\'Pending\')
);
elseif( $type[\'status\'] == \'trash\' ):
$class = ($wp_query->query_vars[\'post_status\'] == \'trash\') ? \' class="current"\' : \'\';
$views[\'trash\'] = sprintf(
\'<a href="%1$s"%2$s>%4$s <span class="count">(%3$d)</span></a>\',
admin_url(\'edit.php?post_type=post\'),
$class,
$result->found_posts,
__(\'Trash\')
);
endif;
}
return $views;
}
// Fix media counts
function fix_media_counts($views) {
global $wpdb, $current_user, $post_mime_types, $avail_post_mime_types;
$views = array();
$count = $wpdb->get_results( "
SELECT post_mime_type, COUNT( * ) AS num_posts
FROM $wpdb->posts
WHERE post_type = \'attachment\'
AND post_author = $current_user->ID
AND post_status != \'trash\'
GROUP BY post_mime_type
", ARRAY_A );
foreach( $count as $row )
$_num_posts[$row[\'post_mime_type\']] = $row[\'num_posts\'];
$_total_posts = array_sum($_num_posts);
$detached = isset( $_REQUEST[\'detached\'] ) || isset( $_REQUEST[\'find_detached\'] );
if ( !isset( $total_orphans ) )
$total_orphans = $wpdb->get_var("
SELECT COUNT( * )
FROM $wpdb->posts
WHERE post_type = \'attachment\'
AND post_author = $current_user->ID
AND post_status != \'trash\'
AND post_parent < 1
");
$matches = wp_match_mime_types(array_keys($post_mime_types), array_keys($_num_posts));
foreach ( $matches as $type => $reals )
foreach ( $reals as $real )
$num_posts[$type] = ( isset( $num_posts[$type] ) ) ? $num_posts[$type] + $_num_posts[$real] : $_num_posts[$real];
$class = ( empty($_GET[\'post_mime_type\']) && !$detached && !isset($_GET[\'status\']) ) ? \' class="current"\' : \'\';
$views[\'all\'] = "<a href=\'upload.php\'$class>" . sprintf( __(\'All <span class="count">(%s)</span>\', \'uploaded files\' ), number_format_i18n( $_total_posts )) . \'</a>\';
foreach ( $post_mime_types as $mime_type => $label ) {
$class = \'\';
if ( !wp_match_mime_types($mime_type, $avail_post_mime_types) )
continue;
if ( !empty($_GET[\'post_mime_type\']) && wp_match_mime_types($mime_type, $_GET[\'post_mime_type\']) )
$class = \' class="current"\';
if ( !empty( $num_posts[$mime_type] ) )
$views[$mime_type] = "<a href=\'upload.php?post_mime_type=$mime_type\'$class>" . sprintf( translate_nooped_plural( $label[2], $num_posts[$mime_type] ), $num_posts[$mime_type] ) . \'</a>\';
}
$views[\'detached\'] = \'<a href="upload.php?detached=1"\' . ( $detached ? \' class="current"\' : \'\' ) . \'>\' . sprintf( __( \'Unattached <span class="count">(%s)</span>\', \'detached files\' ), $total_orphans ) . \'</a>\';
return $views;
}
