// 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 );
}
Customize Recovery Mode Email Recipient
@replace {{email}}
// Customize the email address to which recovery mode email is sent when site encounters a fatal error
add_filter( 'recovery_mode_email', function( $email ) {
$email['to'] = '{{email}}';
return $email;
} );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 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 } );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;
}
}
} );Set Default Customizer Color Palette
@replace @arr
// Set 8 colors that will be used to fill the color picker palette in the Customizer
add_filter( 'generate_default_color_palettes', function ( $palettes ) {
return array(
'#040404',
'#5b5549',
'#9b5c4d',
'#d3ac58',
'#296a7f',
'#272727',
'#adada8',
'#f5f5f5',
);
} );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 );
} );Remove Comment Form URL Field
// Remove the URL field from the WordPress comment form
add_filter( 'comment_form_default_fields', function ( $fields ) {
unset( $fields['url'] );
return $fields;
} );
Advanced Forms for Your WordPress-Powered Website. Disable All Tooltips
// Disable all administrative tooltips for Gravity Forms
add_filter( 'gform_tooltips', '__return_empty_array' );Limit Countries
@replace {{_formID}}
// Filter the countries that are selectable in an address field
add_filter( 'gform_pre_render{{_formID}}', 'typewheel_limit_countries' );
add_filter( 'gform_pre_validation{{_formID}}', 'typewheel_limit_countries' );
add_filter( 'gform_pre_submission_filter{{_formID}}', 'typewheel_limit_countries' );
add_filter( 'gform_admin_pre_render{{_formID}}', 'typewheel_limit_countries' );
function typewheel_limit_countries( $form ) {
add_filter( 'gform_countries', function( $countries ) {
return array( 'Brazil', 'United States', 'Netherlands', 'United Kingdom' );
});
return $form;
}Prevent Submission When Pressing Enter
<?php // Disables form submission when pressing Enter, unless user has tabbed to a form button.
add_action( 'gform_pre_render', function ( $form ) { ?>
<script type="text/javascript">
jQuery(document).bind('gform_post_render', function() {
jQuery(document).on( 'keypress', '.gform_wrapper', function (e) {
var code = e.keyCode || e.which;
if ( code == 13 && ! jQuery( e.target ).is( 'textarea,input[type="submit"],input[type="button"]' ) ) {
e.preventDefault();
return false;
}
});
});
</script>
<?php return $form;
} );Customizing Your 404 Page Not Found
@replace {{title}}, {{text}}
// Set a custom title for the 404 page
add_filter( 'generate_404_title', function ( $title ) {
return '{{title}}';
} );
// Set custom text for the 404 page
add_filter( 'generate_404_text', function ( $text ) {
return '{{text}}';
} );
// Hide the search form from content area on the 404 page
add_filter( 'get_search_form', function ( $form ) {
if ( is_404() && did_action( 'generate_after_entry_header' ) && ! did_action( 'generate_after_content' ) )
return '';
return $form;
} );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;
} );Change Header Logo HREF
@replace {{link}}
// Change the URL to which the header logo links
add_filter( 'generate_logo_href', function( $url ) {
return '{{link}}';
});
Create fields once. Use everywhere. Remove Welcome Panel
// Remove the welcome panel for new WordPress installs
remove_action( 'welcome_panel', 'wp_welcome_panel' );