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Remove Welcome Panel

// Remove the welcome panel for new WordPress installs
remove_action( 'welcome_panel', 'wp_welcome_panel' );

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Replace Numbered Months with Named Months in Date Field

<?php // Replace the numbered months with named months in a Gravity Forms dropdown date field
add_action( 'wp_footer', function () { ?>

   <script type="text/javascript">
      jQuery(document).ready(function( $ ) {
         $('.gfield_date_dropdown_month select option').each( function(i, option) {
            switch( option.value ) {
               case '1': option.innerHTML = 'January'; break;
               case '2': option.innerHTML = 'February'; break;
               case '3': option.innerHTML = 'March'; break;
               case '4': option.innerHTML = 'April'; break;
               case '5': option.innerHTML = 'May'; break;
               case '6': option.innerHTML = 'June'; break;
               case '7': option.innerHTML = 'July'; break;
               case '8': option.innerHTML = 'August'; break;
               case '9': option.innerHTML = 'September'; break;
               case '10': option.innerHTML = 'October'; break;
               case '11': option.innerHTML = 'November'; break;
               case '12': option.innerHTML = 'December'; break;
            }
         });
      });
   </script>

<?php } );

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Auto-Link Caption to Same URL As the Image’s Link

Add link-the-caption as Additional CSS Class on image block. Caption should contain no other links.

// Auto-link image caption to the same URL as that to which the image has been linked
jQuery(document).ready(function( $ ) {

   $('.link-the-caption').each( function() {

      let image_link = $(this).attr('href');
      let image_caption = $(this).next().html();

      $(this).next().html('<a href="'+image_link+'">'+image_caption+'</a>');

   });

});

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Move Navigation Below Page Header

// Renders the navigation below the page header instead of before
add_action( 'after_setup_theme', function () {

   remove_action( 'generate_after_header', 'generate_add_navigation_after_header', 5 );
   add_action( 'generate_after_header', 'generate_add_navigation_after_header', 15 );

} );

Source

Custom Merge Tags

<?php // Introduce additional merge tags for use throughout Gravity Forms
add_filter( 'gform_replace_merge_tags', function ( $text, $form, $entry, $url_encode, $esc_html, $nl2br, $format ) {

   $custom_merge_tags = array(
      '{date_ymd}'  => date( 'Y.m-M.d', strtotime( $entry['date_created'] ) ),
      '{timestamp}' => time(),
      '{site_url}'  => get_site_url(),
      '{site_name}' => get_bloginfo( 'name' )
   );
    
   return str_replace( array_keys( $custom_merge_tags ), array_values( $custom_merge_tags ), $text);

}, 10, 7 );

// Add our custom merge tags to the dropdown
add_action( 'gform_admin_pre_render', function ( $form ) { ?>

   <script type="text/javascript">
      gform.addFilter('gform_merge_tags', function (mergeTags, elementId, hideAllFields, excludeFieldTypes, isPrepop, option) {
         mergeTags["custom"].tags.push({ tag: '{date_ymd}', label: 'Entry Date (Y.m-M.d)' });
         mergeTags["custom"].tags.push({ tag: '{timestamp}', label: 'Current Time (UNIX Timestamp)' });
         mergeTags["custom"].tags.push({ tag: '{site_url}', label: 'Site URL' });
         mergeTags["custom"].tags.push({ tag: '{site_name}', label: 'Site Name' });
         return mergeTags;
      } );
   </script>

   <?php return $form;

} );

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Notification Interception

@replace {{_formID}}, {{email}}

// Sends all Gravity Form notifications to the specified email address
add_filter( 'gform_notification{{_formID}}', function ( $notification, $form, $entry ) {

   $notification['toType'] = 'email';
   $notification['to'] = '{{email}}';

   return $notification;

}, 10, 3 );

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Sync Roles Across Multisite Network

@requires @plugin Members

// Sync roles across multisite network by hooking to Members plugin (https://wordpress.org/plugins/members/)
add_action( 'members_role_updated', function() {

   if ( function_exists( 'get_sites' ) && class_exists( 'WP_Site_Query' ) ) {

      $roles = get_option( 'wp_user_roles' );
      $sites = get_sites( array( 'fields' => 'ids' ) );

      foreach ( $sites as $site_id ) {
         update_blog_option( $site_id, 'wp_' . $site_id . '_user_roles', $roles );
      }

   }

} );

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