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Auto-Link Twitter Usernames

// Automatically link Twitter usernames (i.e. any text in the form of @username)
add_filter( 'the_content', 'typewheel_link_twitter_username' );   
add_filter( 'the_excerpt', 'typewheel_link_twitter_username' );
add_filter( 'comment_text', 'typewheel_link_twitter_username' );

function typewheel_link_twitter_username( $content ) {
   return preg_replace( '/([^a-zA-Z0-9-_&])@([0-9a-zA-Z_]+)/', '$1<a href="https://twitter.com/$2" target="_blank" rel="nofollow">@$2</a>', $content );
}
 

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Numbered List Rows in Gravity Forms

/* Numbered List Rows in Gravity Forms */
body .gform_wrapper .gform_fields .gfield_list {
    counter-reset: gf-list-counter;
}
body .gform_wrapper .gform_fields .gfield_list .gfield_list_header::before {
    width: 1.5em;
    content: '';
}
body .gform_wrapper .gform_fields .gfield_list .gfield_list_group::before {
    width: 1.5em;
    line-height: 2.25;
    font-weight: bold;
    counter-increment: gf-list-counter;
    content: counter(gf-list-counter);
}

#

Disallow Specific Terms in WordPress Search

@replace @arr $restricted

// Disallow users from searching specific terms on your site
add_filter( 'pre_get_posts', function( $query ) {

   $restricted = array(
      'term-1',
      'term-2'
   );

   if ( $query->is_search && $query->is_main_query() ) {

      $stripped = trim( str_replace( $restricted, '', $query->get('s') ) );

      if ( $stripped == '' )
         $query->set( 'p', -1 );
      else
         $query->set( 's', $stripped );

   }

} );

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Order Form List Table By Most Recent

// Order form list table by most recent
add_filter( 'gform_form_list_forms', function( $forms, $search_query, $active, $sort_column, $sort_direction, $trash ) {

    if ( ! rgget( 'orderby' ) ) {

        usort( $forms, function( $a, $b ) {
            return $b->id <=> $a->id;
        } );

    }

	return $forms;

}, 10, 6 );

#

Change Loading Spinner

@replace {{img-src}}

// Set a custom image src for the spinner that runs when processing AJAX requests
add_filter( 'gform_ajax_spinner_url', function( $image_src, $form ) {
   return '{{img-src}}';
}, 10, 2 );

#

Add Google Font(s) to Typography Customizer

@replace font-slug, font[name]:@str, font[variants]:@arr, font[category]:@str

// Add Google Fonts to the typography font options in the customizer
add_filter( 'generate_typography_customize_list', function ( $fonts ) {

   $fonts['monoton'] = array( 
      'name' => 'Monoton',
      'variants' => array( '400' ),
      'category' => 'cursive'
   );

   $fonts['fanwood_text'] = array(
      'name' => 'Fanwood Text',
      'variants' => array( '400', '400i' ),
      'category' => 'serif'
   );
	
   return $fonts;

} );

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Increase width of form editor sidebar

// Increase width of form editor sidebar
add_action( 'admin_print_styles', function() {

    if ( class_exists( 'GFCommon' ) && GFCommon::is_form_editor() ) {

        echo '<style>
                .gforms_edit_form .form_editor_fields_container { max-width: calc( 100% - 744px ); }
                .gforms_edit_form .form_editor_fields_container.droppable { padding-right: 712px; }
                .gforms_edit_form .editor-sidebar .sidebar,
                .gforms_edit_form .editor-sidebar .sidebar .sidebar__nav { width: 520px; }
                .gforms_edit_form .editor-sidebar .sidebar .add-buttons li { width: 25%; }
              </style>';

    }

} );

#

Add CSS Class to Filled Fields

@replace {{class}}

<?php
// Checks whether form inputs are filled and adds a targetable class if they have value
add_action( 'wp_footer', function () { ?>

   <script type="text/javascript">
      jQuery(document).ready( function() {
         function checkFilledInputs() {
            jQuery('textarea,input').each( function() { toggleFilledInputs(this); });
            jQuery('textarea,input').change( function() { toggleFilledInputs(this); });
         }

         function toggleFilledInputs(e) {
            if ( jQuery(e).val().trim().length > 0 ) {
               jQuery(e).addClass('{{class}}');
            } else {
               jQuery(e).removeClass('{{class}}');
            }
         }

         jQuery(document).bind('gform_post_render', function() { checkFilledInputs(); });
         
         checkFilledInputs();
      });
   </script>

<?php } );

#

Fix Center Alignment of Main Nav Menu Items With Children

@replace {{gp-layout-setting-menu-item-width}}

/* Fixes center alignment of main nav menu items that show children in a dropdown */
.main-navigation.mobile-header-navigation ul li.menu-item-has-children a {
   padding-right: {{gp-layout-setting-menu-item-width}};
}
.main-navigation.mobile-header-navigation ul li.menu-item-has-children span.dropdown-menu-toggle {
   position: absolute;
   right: 0;
}

#

Change Header Logo HREF

@replace {{link}}

// Change the URL to which the header logo links
add_filter( 'generate_logo_href', function( $url ) {
    return '{{link}}';
});

#

Set parent for post created with APC to embed post

@replace {{form_id}}

// Set parent for post created with APC to post on which form is embedded
add_action( 'gform_advancedpostcreation_post_after_creation_{{form_id}}',

    function( $post_id, $feed, $entry, $form ) {

        wp_update_post( array(
            'ID' => $post_id,
            'post_parent' => GFCommon::replace_variables( '{embed_post:ID}', $form, $entry )
        ) );

    },

10, 4 );

#

Redirect Solitary Search Results to the Post

// If a search results returns only a single post, then redirect the user to that post
add_action( 'template_redirect', function () {

   if ( is_search() ) {

      global $wp_query;

      if ( $wp_query->post_count == 1 && $wp_query->max_num_pages == 1 ) {

         wp_redirect( get_permalink( $wp_query->posts['0']->ID ) );
         exit;

      }

   }

} );

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