get_the_ID() is broken. function get_the_ID() { return get_post()->ID; } It tries to use the member ID on a function that returns a post object sometimes: /* * @return WP_Post|null WP_Post on success or null on failure */ function get_post( $post = null, $output = OBJECT, $filter=”raw” ) { get_posts() can return NULL, and NULL has … Read more
Two ways to handle this. a. Attach a timer to the notice: You could attach a 3-second timer (or however long you wish) to the notice, as follows: <?php set_transient( “my-plugin”, “alive”, 3 ); add_action( ‘admin_notices’, function() { //Syntax correction if ( “alive” == get_transient( “my-plugin” ) ) { ?> <div class=”notice notice-success is-dismissible”> <p><?php … Read more
There is no such action in the front end (in a theme) by default. Simply use a custom action like do_action( ‘theme_notices’ ); and hook into this one.
I think a better implementation would be a “message” class e.g.: class WPSE_224485_Message { private $_message; function __construct( $message ) { $this->_message = $message; add_action( ‘admin_notices’, array( $this, ‘render’ ) ); } function render() { printf( ‘<div class=”updated”>%s</div>’, $this->_message ); } } This allows you to instantiate the message at any time prior to rendering: … Read more
WP_DEBUG has no impact on PHP error output. In addition to error_reporting setting, set display_errors=0 in your php.ini file. It’s enabled by default for development. But you’ll want it off on production servers.
WordPress uses the jQuery migrate script to ensure backwards compatibility for any plugins or themes you might be using which use functionality removed from newer versions of jQuery. With the release of WordPress 4.5, it appears they have upgraded the version of jQuery migrate from v1.2.1 to v1.4.0 – Having a quick scan through the … Read more