actions - Read For Learn

How can I remove “Proudly powered by WordPress” from twentyeleven without modifying footer.php?

There are 3 methods. Somewhat weird but since this text is internationalized you can filter the output. This is just an example to remove the text, the link is still present in the source. add_filter(‘gettext’, ‘remove_powered_by’, 20, 3); function remove_powered_by( $translated_text, $untranslated_text, $domain ) { $custom_field_text=”Proudly powered by %s”; if ( !is_admin() && $untranslated_text === … Read more

Using action hooks inside of a shortcode

Try this: function example_shortcode( $atts ) { $shortcode_output = “<p>Some shortcode content.</p>”; $shortcode_output .= “<p>More shortcode content.</p>”; ob_start(); do_action(‘below_shortcode’); $below_shortcode = ob_get_contents(); ob_end_clean(); $shortcode_output .= $below_shortcode return $shortcode_output; }

A Post is saved twice or more during add_action(save_post)

One of the two IDs might be a post revision. To prevent this behaviour, I always have this checks in my save_postdata function: // Autosave, do nothing if ( defined( ‘DOING_AUTOSAVE’ ) && DOING_AUTOSAVE ) return; // AJAX? Not used here if ( defined( ‘DOING_AJAX’ ) && DOING_AJAX ) return; // Check user permissions if … Read more

How to make post and comment count unclickable with dashboard_glance_items hook

The dashboard_glance_items filter is only useful for modifying the extra elements. The posts/comments data elements have already been displayed. Here are three ideas: Method #1 – Use the dashboard_glance_items filter: You can use the following filter setup, to remove the posts/pages/comments elements from the output of wp_dashboard_right_now(). The trick is simple, foul WordPress to think … Read more

Difference between hooks Plugin_loaded and admin_int?

plugins_loaded fires once activated plugins have loaded. This fires on both admin and public screens. admin_init fires as an admin screen or script is being initialized. This fires only on admin screens. The typical order for firing of hooks on the admin screen is: muplugins_loaded – this is the first hook available to must-use plugins … Read more

RSS feed with specific keyword

You can modify the list of posts displayed in feed using pre_get_posts action. And to target only feeds, you can use is_feed conditional tag. So such code can look like this: add_action( ‘pre_get_posts’, function ( $query ) { if ( ! is_admin() && is_feed() && $query->is_main_query() ) { if ( isset($_GET[‘q’]) && trim($_GET[‘q’]) ) { … Read more

How can I tell if I’m on a login page? [duplicate]

Paste this function in your functions.php or a plugin file: function is_login_page() { return in_array($GLOBALS[‘pagenow’], array(‘wp-login.php’, ‘wp-register.php’)); } and then you can use it like this: if(is_login_page()){ //this is a login page }else{ //not the page you are looking for }

add_action customize_register not working

You always need to be sure that three things are defined (section, setting and control). If you are adding a control to an already defined section, i.e. title_tagline, then you don’t need to re-register it, but always define the setting and the control. //adding setting for copyright text add_action(‘customize_register’, ‘theme_copyright_customizer’); function theme_copyright_customizer($wp_customize) { //adding section … Read more

Using the ‘draft_to_publish’ hook (post status transition)

You certainly have the right hook, but keep in mind that you are hooking your functionality specifically to the draft_to_publish action, i.e. to the specific case of a post-object pre-existing in the database with draft status being updated to publish. Note that this action ignores drafts which are automatically saved by WordPress when a new … Read more

What is a good way to pass a variable from add_action to a Theme?

Use an object to keep the value of the variable and a custom action to print it out. In your theme’s functions.php, create a class, or better: move the class to a separate file. class PassCheck { private $passed = ‘no’; public function check() { if ( is_user_logged_in() ) $this->passed = ‘yes’; } public function … Read more

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