\n <\/td>\n | <?php<\/span><\/td>\n <\/tr>\n \n <\/td>\n | /**<\/span><\/td>\n <\/tr>\n \n <\/td>\n | * Add rewrite tags<\/span><\/td>\n <\/tr>\n \n <\/td>\n | *<\/span><\/td>\n <\/tr>\n \n <\/td>\n | * @link https://codex.wordpress.org/Rewrite_API/add_rewrite_tag<\/span><\/td>\n <\/tr>\n \n <\/td>\n | */<\/span><\/td>\n <\/tr>\n \n <\/td>\n | function<\/span> myplugin_rewrite_tag<\/span>() {<\/td>\n <\/tr>\n \n <\/td>\n | add_rewrite_tag( '%book-author%'<\/span>, '([^&]+)'<\/span> );<\/td>\n <\/tr>\n \n <\/td>\n | }<\/td>\n <\/tr>\n | \n <\/td>\n | add_action('init'<\/span>, 'myplugin_rewrite_tag'<\/span>, 10<\/span>, 0<\/span>);<\/td>\n <\/tr>\n <\/table>\n<\/div>\n\n\n <\/div>\n\n <\/div>\n<\/div>\n\n <\/div>\n | | | | | | | | |