The DB_ constant prefix in WordPress is generally considered reserved for DB_NAME, DB_HOST, DB_USER and DB_PASS. Using it for plugin-specific constants is, in my opinion, not a great idea. The only implication it might pose is if other plugins try to use the constants, but that’s purely theoretical. The proper way to do this is … Read more
You can use WP_Query to get almost any post data out of your WordPress install. $sub_pages = new WP_Query( array( ‘post_parent’ => 3, ‘post_type’ => ‘page’ ) ); print_r($sub_pages->posts); This would get you the following: Array ( [0] => WP_Post Object ( [ID] => 94 [post_author] => 1 [post_date] => 2015-08-20 11:19:27 [post_date_gmt] => 2015-08-20 … Read more
It contains the main instance of the WP class, which is primarily responsible for parsing the request URL and querying the appropriate posts, as well as sending headers and handling 404s. It can be used for things like getting the current request URL. If it’s declared in a function but not used, it’s likely a … Read more
Store it in your theme options. Read the series of articles called The Complete Guide To The WordPress Settings API. Spare no effort to read it, especially 4th article about Theme Options.
A convenient way to use $wpdb in plugins, with custom tables and custom functions is write a class or a couple of functions that get the wp object, and configure it. An example: /* Return global wpdb aready setup with custom tables */ my_plugin_get_db( wpdb $wpdb = NULL ) { static $db; if ( is_null($db) … Read more
If you use locate_template() instead of get_template_part() you can use all variables in that script: include(locate_template(‘include-modal-video.php’)); Then, <h2>00: <?php echo $video; ?></h2> will work.
If you’re using a class, it would be class MyShortcode { static $instance = 0; function __construct($args = array()) { add_action( ‘init’, array(&$this, ‘init’) ); } function init() { add_shortcode(‘myshortcode’, array(&$this, ‘shortcode’)); } static function shortcode($atts) { //this is the code of your shortcode // you can increment your counter self::$instance++; } }
Don’t use global variables. You can do it like this without global variable: global $current_user; echo get_user_meta( $current_user->ID, ‘last-login’, true );
global $wp_meta_boxes returns NULL
I think the best way to do it is to index all the posts and search through them in database. This method should be the fastest when you perform a search because you can filter posts, create the pagination etc. Check this tutorial https://rudrastyh.com/wordpress/search-across-wp-multisite.html Another way is to to something with switch_to_blog() function – I … Read more