hooks - Read For Learn

wp_mail – Remove sitename from email subject

Finally, I wrote some code and it worked very well. I hope it helps. Put this in your functions.php file //remove sitename from email subject add_filter(‘wp_mail’, ’email_subject_remove_sitename’); function email_subject_remove_sitename($email) { $blogname = wp_specialchars_decode(get_option(‘blogname’), ENT_QUOTES); $email[‘subject’] = str_replace(“[“.$blogname.”] – “, “”, $email[‘subject’]); $email[‘subject’] = str_replace(“[“.$blogname.”]”, “”, $email[‘subject’]); return $email; }

Hook into $wpdb

query – you will get sql as argument of the callback. add_filter(‘query’, ‘some_callback_that_change_query’); function some_callback_that_change_query($sql){ remove_filter(‘query’, ‘some_callback_that_change_query’); // your banny wrote add_filter(‘query’, ‘some_callback_that_change_query’); return $sql; }

How to hook into the CPT’s title placeholder?

I use a code which differs from yours a little bit. There is no need to get the current screen using the enter_title_here-filter because you have already a post-object: /** * Filter: Modifies the standard placeholder text * @param string $title * @param WP_Post $post * @return string */ function my_enter_title_here( $title, $post ) { … Read more

is it possible to get the hook name in add_action?

The name of the current hook is always current_filter(). Despite its name, this function returns the name of actions too. Usage example: Move the textarea in a comment form. The current priority is: key( $GLOBALS[‘wp_filter’][ $hook ] ).

Send data to 3rd party api with wp_remote_post on wp_login

The ‘body’ needs to be an array, not including the ‘json_encode($user)’ piece. $response = wp_remote_post( ‘myapp.com/endpoint’, array( ‘method’ => ‘POST’, ‘headers’ => array(‘Content-Type’ => ‘application/json; charset=utf-8’), ‘body’ => $user ) ); I have this in my function since I also had issues with the body being an object: if (is_object($user) && !is_array($user)) $user = json_decode(json_encode($user), … Read more

Remove title attribute from images

I would strongly discourage this. A better, more sustainable practice would be to educate your clients on the value of the title attribute and teach them how to use it properly. Simply removing it is putting a bandage on the symptom, not combating the disease. However, if you do want to remove the attribute anyway, … Read more

Custom theme hooks / filters – passing arguments

If you want theme_content hook to run with arguments that you pass to theme_content() function you need to write it like this: function theme_content($args) { do_action(‘theme_content’, $args); }

why doesnt is_home() work in functions.php

At the time functions.php is included during bootup, WordPress has no idea on the contents of the query, and doesn’t know the nature of the page. is_home will return false. Wrap the code in a function and have it triggered by the wp hook, which comes after the global query object has been hydrated with … Read more

Hook into wp_head(); in a plugin

Did you try this? function hook_header() { $example_position = get_theme_mod( ‘logo_placement’ ); if( $example_position != ” ) { switch ( $example_position ) { case ‘left’: // Do nothing. The theme already aligns the logo to the left break; case ‘right’: echo ‘<style type=”text/css”>’; echo ‘#main-header #logo{ float: right; }’; echo ‘</style>’; break; case ‘center’: echo … Read more

Show modified time if post is actually modified

Loosely what you have should work already. However few things are off. Calling these function without time format will produce values like 1:36 pm (depending on your site’s settings), which are not exactly comparable. Post modified time can be less than published in some cases, like scheduled posts. So I would write it along the … Read more

+ More