A few weeks back it was thank a plugin developer day. I love those guys. They make me happy. But I love them so much that I end up filling my website with plugins to achieve things that I could achieve with code.<\/p>\n
Nowadays I love code snippets.<\/strong> They\u2019re handy, like a million times handy. They\u2019re useful for developers and for people who want to customize their themes. Want to do something with WordPress and don\u2019t know how? Just search for a snippet \u2013 someone will usually have done it already.<\/p>\n But what if you had 100 useful WordPress code snippets in one place? It\u2019d be great, right? Surely no one could be bothered posting 100 snippets on a blog. That would take forever!<\/p>\n Yes, it did take forever.<\/p>\n If you\u2019ve got a lot of plugins or a lot of traffic you may need to increase your memory limit. You need to add this to your wp-config file:<\/p>\n Source: WP Snippets <\/a><\/p>\n Does what it says \u2013 set the number of days and reduce the size of your database.<\/p>\n Source: WPFrank<\/a><\/p>\n Filter which posts you want to show. This snippet is only showing \u201cFeatured.\u201d<\/p>\n Source: WP Snippets<\/a><\/p>\n Or\u2026 add a loop within the loop, but loop the loop sounds much cooler.<\/p>\n Source: WP Snippets<\/a><\/p>\n If you want to use a different stylesheet for different browsers you can use HTML conditional tags or you can use this.<\/p>\n Source: Lava 360<\/p>\n If you want to serve up something special to your mobile visitors you can use this snippet to find out when they have arrived on your website. To achieve this you have to visit detectmobilebrowsers.mobi<\/a> and upload it to your theme directory. Place at the top of your header file. Make sure you edit line 5 of this to your own theme.<\/p>\n Source: WP Recipes<\/a><\/p>\n This is a great snippet for speeding up your website. Paste it into .htaccess (remember to backup!)<\/p>\n Source: Thomas Griffin <\/a><\/p>\n WordPress already includes a copy of jQuery so there is actually no need to upload it on to your server. It must be above the wp_head function<\/p>\n You can now call your script after the wp_head function.<\/p>\n Source: Digging into WordPress <\/a><\/p>\n Need a quick maintenance mode? Use this snippet. Just comment it out when you don\u2019t want it switched on.<\/p>\n Source: WP Snippets<\/a><\/p>\n Find the default login address too cumbersome? You can change this by editing your .htaccess. Before to back it up before tinkering. Add this before the default WordPress code:<\/p>\n Source: Digging into WordPress<\/a><\/p>\n It\u2019s not been released yet but WordPress 3.1 comes with an admin bar a la WordPress.com. Here\u2019s how to remove it:<\/p>\n Source: WP Recipes <\/a><\/p>\n I love the autosave function but I do end up with loads of post revisions. Use this to limit the number.<\/p>\n Source: Lava 360<\/p>\n WordPress\u2019 autosave is very handy. This snippet lets you specify how often it happens. Copy to your Source: WP Zine<\/a><\/p>\n This is great for people building websites for clients who want to have their own branding all over the installation.<\/p>\n Source: WP Recipes <\/a><\/p>\n Don\u2019t just change your login logo, change your admin logo as well. Make sure you add your admin_logo.png to your images folder.<\/p>\n Source: WP Snippets<\/a><\/p>\n This goes nicely with the change of logo. Change the footer text to anything you like:<\/p>\n Source: Lava360<\/p>\n Your footer should display your copyright something along the lines of 2005 \u2013 2011. Usually people only have the current year, or they have some time in the past because they haven\u2019t updated it. Use this snippet to make the date dynamic so you don\u2019t have to worry about it every again.<\/p>\n Then insert this into your footer:<\/p>\n Source: WP Beginner<\/a><\/p>\n Everyone loves a favicon. They\u2019re so cute! Use this in your functions.php to add one:<\/p>\n Source: WP Beginner<\/a><\/p>\n This is a nice and simple way to register a custom background.<\/p>\n Source: DJAvupixel.com<\/p>\n Clients confused about why they have a menu section for \u201cposts\u201d? Do they end up creating posts instead of pages and then call you up asking you why their page isn\u2019t showing? Happened to all of us\u2026. Remove menus in the WordPress dashboard:<\/p>\n Source: WPRecipes<\/a><\/p>\n You can also remove sub menus. You can find the sub menu names in Source: WP Snippets<\/a><\/p>\n Want additional dashboard widgets to give some info to your clients? Use this snippet:<\/p>\n Source: WP Beginner <\/a><\/p>\n If you don\u2019t want clients to be able to update WordPress themselves you could use this piece of code to hide the nag message.<\/p>\n Source: WP Beginner<\/a><\/p>\n This could come in handy if you are creating websites for clients and you want to add extra contextual help.<\/p>\n Source: Smashing Magazine<\/a><\/p>\n Instead of displaying the date that your post was posted, you can make it relative \u2013 \u201c6 months ago\u201d or \u201c3 weeks ago\u201d or whatever. Use this in your posts\/comments\/pages<\/p>\n Source: WP Snippets<\/a><\/p>\n Want to automatically add a search box to your nav? Here\u2019s how:<\/p>\n Source: WP Recipes<\/a><\/p>\n The title attributes for your menu links can disrupt any jQuery that you\u2019re using for a dropdown. Use this to remove it.<\/p>\n Source: Dynamic WP<\/a><\/p>\n Want more control over the navigation output? This is a great snippet for it. Place this in your Source: Lava 360<\/p>\n Create those breadcrumb trails without the help of a plugin. Insert this into Insert into Source: WP Snippets<\/a><\/p>\n Want pagination at the bottom of your blog? Insert this into your Use CSS to style it how you want. If you want to keep widgets out of client\u2019s hands you can use this snippet:<\/p>\n Source: WP Snippets<\/a><\/p>\n Want to add shortcodes to widgets? We all do. Here\u2019s how:<\/p>\n Source: WP Snippets<\/a><\/p>\n Ever update your parent theme and then realise a few weeks later that you haven\u2019t added your Google Analytics tracking code? All those stats, lost! Add your tracking code to your functions instead:<\/p>\n Don\u2019t like the default WYSIWYG editor? Change it the default to the HTML editor using Source: WP Snippets <\/a><\/p>\n Can\u2019t stand courier? Use this to change your font. Paste into your functions.php<\/p>\n Source: WP Recipes<\/a><\/p>\n You can style the visual editor. Simply create your new CSS file \u2013 something like editor-style.css and then include the following snippet in your functions<\/p>\n Source: Andrew Ozz <\/a><\/p>\n By default the language of the spell checker in English. You can change it with the following snippet (which allows English and German)<\/p>\n Source: WP Engineer<\/a><\/p>\n WordPress, for some reason, still asks you to fill in your AIM and Yahoo IM. I don\u2019t know about you but I haven\u2019t logged into Yahoo IM for about 3 years, and AIM since before 2000. User this snippet to change it to the social media you actually use.<\/p>\n Then use this code wherever you want to display it:<\/p>\n Source: Thomas Griffin<\/a><\/p>\n This is a nice one. Power up your search functionality by highlighting the search term in the results. Above the modified line add:<\/p>\n Add the following to your Source: WP Recipes<\/a><\/p>\n Sometimes you don\u2019t want all of your posts and pages appearing in your search results. Use this snippet to shun whichever ones you want.<\/p>\n To exclude the subpage of a page you need to add it to the IS:<\/p>\n Source: WPEngineer<\/a><\/p>\n There may be sites that you have where you don\u2019t want users to be able to search. Use this snippet to remove the search functionality.<\/p>\n Source: WP Engineer<\/a><\/p>\n Manage a blog with multiple users? Use this snippet to set a maximum word count on your titles.<\/p>\n Source: WP Recipes <\/a><\/p>\n Make those pesky authors write more:<\/p>\n Source: WP Recipes<\/a><\/p>\n This snippet will let you add default text that appears in every new post.<\/p>\n Source: Justin Tadlock<\/a><\/p>\n You may want to add a custom piece of content under each post \u2013 perhaps a copyright notice, some advertising or you could just say \u201cthanks for reading!\u201d<\/p>\n\n
Some Words of Warning<\/h2>\n
\n
Basics<\/h2>\n
1. Increase Memory Limit<\/h3>\n
define('WP_MEMORY_LIMIT', '96M');<\/pre>\n2. Empty Trash Automatically<\/h3>\n
define('EMPTY_TRASH_DAYS', 1 ); \/\/Integer is the amount of days \r\n<\/pre>\n3. Filter the Loop<\/h3>\n
query_posts('showposts=5&category_name=featured');\r\nif ( have_posts() ) : while ( have_posts() ) : the_post();\r\n<h3><a href=\"<?php the_permalink(); ?>\"><?php the_title(); ?><\/a><\/h3> \r\n<p><?php the_content(); ?><\/p> \r\nendwhile; else:\r\nendif;\r\nwp_reset_query();\r\n<\/pre>\n4. Loop the loop<\/h3>\n
if (have_posts()) : \r\n \r\nwhile (have_posts()) : the_post(); \/\/ the post loop\r\n$temp_query = $wp_query; \/\/ store it\r\n$args = array( \r\n'paged' => $paged, \/\/ paginates\r\n'post_type'=>'post',\r\n'posts_per_page' => 3,\r\n'order' => 'DESC' \r\n); \r\n$wp_query = new WP_Query($args); \r\n \r\nwhile ($wp_query->have_posts()) : $wp_query->the_post(); \r\n\/\/ -- your new loop -- \/\/\r\n>endwhile; \r\n \r\nif (isset($wp_query)) {$wp_query = $temp_query;} \/\/ restore loop\r\n>endwhile; \r\n \r\nendif; \r\n<\/pre>\n5. Detect Browser<\/h3>\n
add_filter('body_class','browser_body_class'); \r\nfunction browser_body_class($classes) { \r\n \r\nglobal $is_lynx, $is_gecko, $is_IE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone; \r\n \r\nif($is_lynx) $classes[] = 'lynx'; \r\n \r\nelseif($is_gecko) $classes[] = 'gecko'; \r\n \r\nelseif($is_opera) $classes[] = 'opera'; \r\n \r\nelseif($is_NS4) $classes[] = 'ns4'; \r\n \r\nelseif($is_safari) $classes[] = 'safari'; \r\n \r\nelseif($is_chrome) $classes[] = 'chrome'; \r\n \r\nelseif($is_IE) $classes[] = 'ie'; \r\n \r\nelse $classes[] = 'unknown'; \r\n \r\nif($is_iphone) $classes[] = 'iphone'; \r\n \r\nreturn $classes; \r\n} \r\n<\/pre>\n6. Detect Mobile Users<\/h3>\n
include('mobile_device_detect.php'); \r\n$mobile = mobile_device_detect(); \r\n \r\nif ($mobile==true) { \r\nheader( 'Location: http:\/\/your-website.com\/?theme=Your_Mobile_Theme' ) ; \r\n} \r\n<\/pre>\n7. Leverage Browser Caching using .htaccess<\/h3>\n
## EXPIRES CACHING ##\r\nExpiresActive On\r\nExpiresByType image\/jpg \"access 1 year\" \r\nExpiresByType image\/jpeg \"access 1 year\" \r\nExpiresByType image\/gif \"access 1 year\" \r\nExpiresByType image\/png \"access 1 year\" \r\nExpiresByType text\/css \"access 1 month\" \r\nExpiresByType application\/pdf \"access 1 month\" \r\nExpiresByType text\/x-javascript \"access 1 month\" \r\nExpiresByType application\/x-shockwave-flash \"access 1 month\" \r\nExpiresByType image\/x-icon \"access 1 year\" \r\nExpiresDefault \"access 2 days\" \r\n## EXPIRES CACHING ##\r\n<\/pre>\n
8. Include jQuery the right way<\/h3>\n
<?php wp_enqueue_script(\"jquery\"); ?><\/pre>\n
9. Switch on Maintenance Mode<\/h3>\n
function maintenance_mode() { \r\n \r\nif ( !current_user_can( 'edit_themes' ) || !is_user_logged_in() ) { \r\ndie('Maintenance.'); \r\n} \r\n} \r\nadd_action('get_header', 'maintenance_mode'); \r\n<\/pre>\n10. Simpler Login Address<\/h3>\n
RewriteRule ^login$ http:\/\/yoursite.com\/wp-login.php [NC,L] \r\n<\/pre>\n
11. Remove WordPress 3.1 Admin Bar<\/h3>\n
remove_action('init', 'wp_admin_bar_init'); \r\n<\/pre>\n12. Limit Post Revisions<\/h3>\n
# Maximum 5 revisions #\r\ndefine('WP_POST_REVISIONS', 5); \r\n# Disable revisions #\r\ndefine('WP_POST_REVISIONS', false); \r\n<\/pre>\n13. Set Autosave time<\/h3>\n
wp-config.php<\/code><\/p>\n# Autosave interval set to 5 Minutes #\r\ndefine('AUTOSAVE_INTERVAL', 300); \r\n<\/pre>\nBranding<\/h2>\n
14. Customize WordPress Login Logo Without a Plugin<\/h3>\n
function my_custom_login_logo() { \r\necho '<style type=\"text\/css\"> \r\nh1 a { background-image:url('.get_bloginfo('template_directory').'\/images\/custom-login-logo.gif) !important; } \r\n<\/style>'; \r\n} \r\nadd_action('login_head', 'my_custom_login_logo'); \r\n<\/pre>\n15. Change Admin Logo<\/h3>\n
function custom_admin_logo() { \r\necho '<style type=\"text\/css\"> \r\n#header-logo { background-image: url('.get_bloginfo('template_directory').'\/images\/admin_logo.png) !important; } \r\n<\/style>'; \r\n} \r\nadd_action('admin_head', 'custom_admin_logo'); \r\n<\/pre>\n16. Change Footer Text in WP Admin<\/h3>\n
function remove_footer_admin () { \r\necho 'Siobhan is Awesome. Thank you <a href=\"http:\/\/wordpress.org\">WordPress<\/a> for giving me this filter.'; \r\n} \r\nadd_filter('admin_footer_text', 'remove_footer_admin'); \r\n<\/pre>\n17. Dynamic Copyright Date in Footer<\/h3>\n
function comicpress_copyright() { \r\n \r\nglobal $wpdb; \r\n$copyright_dates = $wpdb->get_results(\"\r\nSELECT\r\nYEAR(min(post_date_gmt)) AS firstdate,\r\nYEAR(max(post_date_gmt)) AS lastdate\r\nFROM\r\n$wpdb->posts\r\nWHERE\r\npost_status = 'publish' \r\n\"); \r\n$output = ''; \r\n \r\nif($copyright_dates) { \r\n$copyright = \"© \" . $copyright_dates[0]->firstdate; \r\n \r\nif($copyright_dates[0]->firstdate != $copyright_dates[0]->lastdate) { \r\n$copyright .= '-' . $copyright_dates[0]->lastdate; \r\n} \r\n$output = $copyright;\r\n} \r\n \r\nreturn $output;\r\n} \r\n<\/pre>\n<?php echo comicpress_copyright(); ?><\/pre>\n
18.Add Favicon<\/h3>\n
<span style=\"font-weight: normal;\"> <\/span> \r\n\/\/ add a favicon to your\r\nfunction blog_favicon() { \r\necho '<link rel=\"Shortcut Icon\" type=\"image\/x-icon\" href=\"'.get_bloginfo('wpurl').'\/favicon.ico\" \/>'; \r\n} \r\nadd_action('wp_head', 'blog_favicon'); \r\n<\/pre>\n19. Add Custom Background<\/h3>\n
\/\/ Add support for backgrounds\r\nadd_custom_background(); \r\n<\/pre>\n
Dashboard<\/h2>\n
20. Remove Menus in WordPress Dashboard<\/h3>\n
function remove_menus () { \r\n \r\nglobal $menu;\r\n$restricted = array(__('Dashboard'), __('Posts'), __('Media'), __('Links'), __('Pages'), __('Appearance'), __('Tools'), __('Users'), __('Settings'), __('Comments'), __('Plugins')); \r\nend ($menu); \r\n \r\nwhile (prev($menu)){ \r\n$value = explode(' ',$menu[key($menu)][0]); \r\n \r\nif(in_array($value[0] != NULL?$value[0]:\"\" , $restricted)){unset($menu[key($menu)]);} \r\n} \r\n} \r\nadd_action('admin_menu', 'remove_menus'); \r\n<\/pre>\n21. Remove sub menus from admin panel<\/h3>\n
wp-admin\/menu.php<\/code><\/p>\nfunction remove_submenus() { \r\n \r\nglobal $submenu;\r\nunset($submenu['index.php'][10]); \/\/ Removes 'Updates'.\r\nunset($submenu['themes.php'][5]); \/\/ Removes 'Themes'.\r\nunset($submenu['options-general.php'][15]); \/\/ Removes 'Writing'.\r\nunset($submenu['options-general.php'][25]); \/\/ Removes 'Discussion'.\r\n} \r\nadd_action('admin_menu', 'remove_submenus'); \r\n<\/pre>\n22. Add Custom Dashboard Widgets<\/h3>\n
add_action('wp_dashboard_setup', 'my_custom_dashboard_widgets'); \r\nfunction my_custom_dashboard_widgets() { \r\n \r\nglobal $wp_meta_boxes; \r\nwp_add_dashboard_widget('custom_help_widget', 'Theme Support', 'custom_dashboard_help'); \r\n} \r\nfunction custom_dashboard_help() { \r\necho '<p>Welcome to Custom Blog Theme! Need help? Contact the developer <a href=\"mailto:yourusername@gmail.com\">here<\/a>. For WordPress Tutorials visit: <a href=\"http:\/\/www.wpbeginner.com\" target=\"_blank\">WPBeginner<\/a><\/p>'; \r\n} \r\n<\/pre>\n23. Hide update message<\/h3>\n
add_action('admin_menu','wphidenag'); \r\nfunction wphidenag() { \r\nremove_action( 'admin_notices', 'update_nag', 3 ); \r\n} \r\n<\/pre>\n24. Edit the Help dropdown<\/h3>\n
\/\/hook loading of new page and edit page screens\r\nadd_action('load-page-new.php','add_custom_help_page'); \r\nadd_action('load-page.php','add_custom_help_page'); \r\nfunction add_custom_help_page() { \r\n\/\/the contextual help filter\r\nadd_filter('contextual_help','custom_page_help'); \r\n} \r\nfunction custom_page_help($help) { \r\n\/\/keep the existing help copy\r\necho $help; \r\n\/\/add some new copy\r\necho \"<h5>Custom Features<\/h5>\"; \r\necho \"<p>Content placed above the more divider will appear in column 1. Content placed below the divider will appear in column 2.<\/p>\"; \r\n} \r\n<\/pre>\n25. WordPress Relative Date<\/h3>\n
# For posts & pages #\r\n<?php echo human_time_diff(get_the_time('U'), current_time('timestamp')) . ' ago'; \r\n# For comments #\r\n<?php echo human_time_diff(get_comment_time('U'), current_time('timestamp')) . ' ago'; ?> \r\n<\/pre>\nNavigation<\/h2>\n
26. Automatically Add a Search Box to Your Nav Menu<\/h3>\n
add_filter('wp_nav_menu_items','add_search_box', 10, 2); \r\nfunction add_search_box($items, $args) { \r\nob_start(); \r\nget_search_form(); \r\n$searchform = ob_get_contents(); \r\nob_end_clean(); \r\n$items .= '<li>' . $searchform . '<\/li>'; \r\n \r\nreturn $items; \r\n} \r\n<\/pre>\n27. Remove Title from WordPress Menu Links<\/h3>\n
function my_menu_notitle( $menu ){ \r\n \r\nreturn $menu = preg_replace('\/ title=\\\"(.*?)\\\"\/', '', $menu ); \r\n} \r\nadd_filter( 'wp_nav_menu', 'my_menu_notitle' ); \r\nadd_filter( 'wp_page_menu', 'my_menu_notitle' ); \r\nadd_filter( 'wp_list_categories', 'my_menu_notitle' ); \r\n<\/pre>\n28. Edit Navigation Output<\/h3>\n
functions.php<\/code> file and edit the PHP for the results you want.<\/p>\nclass description_walker extends Walker_Nav_Menu\r\n{ \r\nfunction start_el(&amp;amp;amp;amp;amp;amp;amp;amp;amp;$output, $item, $depth, $args) \r\n{ \r\n \r\nglobal $wp_query; \r\n$indent = ( $depth ) ? str_repeat( \"\\t\", $depth ) : ''; \r\n$class_names = $value = ''; \r\n$classes = empty( $item->classes ) ? array() : (array) $item->classes; \r\n$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ); \r\n$class_names = '' : '\"'; \r\n$output .= $indent . '\r\n<li id=\"menu-item-'. $item->ID . '\"' . $value . $class_names .'>'; \r\n$attributes = ! empty( $item->attr_title ) ? ' title=\"' . esc_attr( $item->attr_title ) .'\"' : ''; \r\n$attributes .= ! empty( $item->target ) ? ' target=\"' . esc_attr( $item->target ) .'\"' : ''; \r\n$attributes .= ! empty( $item->xfn ) ? ' rel=\"' . esc_attr( $item->xfn ) .'\"' : ''; \r\n$attributes .= ! empty( $item->url ) ? ' href=\"' . esc_attr( $item->url ) .'\"' : ''; \r\n \r\nif($depth != 0) \r\n{ \r\n$description = $append = $prepend = \"\"; \r\n} \r\n$item_output = $args->before; \r\n$item_output .= '<a' . $attributes . '>'; \r\n$item_output .= $args->link_before .$prepend.apply_filters( 'the_title', $item->title, $item->ID ).$append; \r\n$item_output .= $description.$args->link_after; \r\n$item_output .= '<\/a>'; \r\n$item_output .= $args->after; \r\n$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); \r\n} \r\n} \r\n<\/pre>\n29. Breadcrumbs without a plugin<\/h3>\n
functions.php<\/code><\/p>\nfunction the_breadcrumb() { \r\necho '<ul id=\"crumbs\">'; \r\n \r\nif (!is_home()) { \r\necho '<li><a href=\"'; \r\necho get_option('home'); \r\necho '\">'; \r\necho 'Home'; \r\necho \"<\/a><\/li>\"; \r\n \r\nif (is_category() || is_single()) { \r\necho '<li>'; \r\nthe_category(' <\/li><li> '); \r\n \r\nif (is_single()) { \r\necho \"<\/li><li>\"; \r\nthe_title(); \r\necho '<\/li>'; \r\n} \r\n} elseif (is_page()) { \r\necho '<li>'; \r\necho the_title(); \r\necho '<\/li>'; \r\n} \r\n} \r\n \r\nelseif (is_tag()) {single_tag_title();} \r\n \r\nelseif (is_day()) {echo\"<li>Archive for \"; the_time('F jS, Y'); echo'<\/li>';} \r\n \r\nelseif (is_month()) {echo\"<li>Archive for \"; the_time('F, Y'); echo'<\/li>';} \r\n \r\nelseif (is_year()) {echo\"<li>Archive for \"; the_time('Y'); echo'<\/li>';} \r\n \r\nelseif (is_author()) {echo\"<li>Author Archive\"; echo'<\/li>';} \r\n \r\nelseif (isset($_GET['paged']) && !empty($_GET['paged'])) {echo \"<li>Blog Archives\"; echo'<\/li>';} \r\n \r\nelseif (is_search()) {echo\"<li>Search Results\"; echo'<\/li>';} \r\necho '<\/ul>'; \r\n} \r\n<\/pre>\nheader.php<\/code><\/p>\n<?php the_breadcrumb(); ?><\/pre>\n
30. Pagination<\/h3>\n
functions.php<\/code><\/p>\nfunction my_paginate_links() { \r\n \r\nglobal $wp_rewrite, $wp_query; \r\n$wp_query->query_vars['paged'] > 1 ? $current = $wp_query->query_vars['paged'] : $current = 1; \r\n$pagination = array( \r\n'base' => @add_query_arg('paged','%#%'),\r\n'format' => '',\r\n'total' => $wp_query->max_num_pages,\r\n'current' => $current,\r\n'prev_text' => __('\u00ab Previous'),\r\n'next_text' => __('Next \u00bb'),\r\n'end_size' => 1,\r\n'mid_size' => 2,\r\n'show_all' => true, \r\n'type' => 'list' \r\n); \r\n \r\nif ( $wp_rewrite->using_permalinks() ) \r\n$pagination['base'] = user_trailingslashit( trailingslashit( remove_query_arg( 's', get_pagenum_link( 1 ) ) ) . 'page\/%#%\/', 'paged' ); \r\n \r\nif ( !empty( $wp_query->query_vars['s'] ) ) \r\n$pagination['add_args'] = array( 's' => get_query_var( 's' ) ); \r\necho paginate_links( $pagination ); \r\n} \r\n<\/pre>\n
\nSource: WPEngineer<\/a><\/p>\nWidgets<\/h2>\n
31. Disable standard widgets<\/h3>\n
function unregister_default_wp_widgets() { \r\nunregister_widget('WP_Widget_Calendar'); \r\nunregister_widget('WP_Widget_Search'); \r\nunregister_widget('WP_Widget_Recent_Comments'); \r\n} \r\nadd_action('widgets_init', 'unregister_default_wp_widgets', 1); \r\n<\/pre>\n32. Add Shortcodes to Widgets<\/h3>\n
add_filter('widget_text', 'do_shortcode') \r\n<\/pre>\nAnalytics<\/h2>\n
33. Google Analytics Without Editing Theme<\/h3>\n
<?php \r\n \r\nadd_action('wp_footer', 'ga'); \r\nfunction ga() { ?> \r\n\/\/ Paste your Google Analytics code here\r\n<?php } ?> \r\n<\/pre>\n
\nSource: LG Creative<\/a><\/p>\nText Editor<\/h2>\n
34. Set the Default Text Editor<\/h3>\n
functions.php<\/code><\/p>\n# This sets the Visual Editor as >default #\r\nadd_filter( 'wp_default_editor', create_function('', 'return \"tinymce\";') ); \r\n# This sets the HTML Editor as >default #\r\nadd_filter( 'wp_default_editor', create_function('', 'return \"html\";') ); \r\n<\/pre>\n35. Change the HTML Editor Font<\/h3>\n
function change_editor_font(){ \r\necho \"<style type='text\/css'> \r\n#editorcontainer textarea#content { \r\nfont-family: Monaco, Consolas, \\\"Andale Mono\\\", \\\"Dejavu Sans Mono\\\", monospace; \r\nfont-size:14px; \r\ncolor:#333;\r\n} \r\n<\/style>\"; \r\n} add_action(\"admin_print_styles\", \"change_editor_font\"); \r\n<\/pre>\n36. Style the Visual Editor<\/h3>\n
function change_editor_font(){ \r\necho \"<style type='text\/css'> \r\n#editorcontainer textarea#content { \r\nfont-family: Monaco, Consolas, \\\"Andale Mono\\\", \\\"Dejavu Sans Mono\\\", monospace; \r\nfont-size:14px; \r\ncolor:#333;\r\n} \r\n<\/style>\"; \r\n} add_action(\"admin_print_styles\", \"change_editor_font\"); \r\n<\/pre>\n37. Change the Spell Check Language<\/h3>\n
function fb_mce_external_languages($initArray){ \r\n$initArray['spellchecker_languages'] = '+German=de, English=en'; \r\n \r\nreturn $initArray; \r\n} \r\nadd_filter('tiny_mce_before_init', 'fb_mce_external_languages'); \r\n<\/pre>\nUsers<\/h2>\n
38. Add Custom User Contact Info<\/h3>\n
\/* BEGIN Custom User Contact Info *\/ \r\nfunction extra_contact_info($contactmethods) { \r\nunset($contactmethods['aim']); \r\nunset($contactmethods['yim']); \r\nunset($contactmethods['jabber']); \r\n$contactmethods['facebook'] = 'Facebook'; \r\n$contactmethods['twitter'] = 'Twitter'; \r\n$contactmethods['linkedin'] = 'LinkedIn'; \r\n \r\nreturn $contactmethods; \r\n} \r\nadd_filter('user_contactmethods', 'extra_contact_info'); \r\n\/* END Custom User Contact Info *\/ \r\n<\/pre>\n<a href=\"<?php the_author_meta('facebook', $current_author->ID); ?>\"><\/a> \r\n<\/pre>\nSearch<\/h2>\n
39. Highlight search terms<\/h3>\n
\nOpen search.php<\/code> and find the the_title() function<\/code>
\nReplace with:<\/p>\necho $title; \r\n<\/pre>\n
<?php \r\n<span style=\"white-space: pre;\"> <\/span>$title <span style=\"white-space: pre;\"> <\/span>= get_the_title(); \r\n<span style=\"white-space: pre;\"> <\/span>$keys= explode(\" \",$s); \r\n<span style=\"white-space: pre;\"> <\/span>$title <span style=\"white-space: pre;\"> <\/span>= preg_replace('\/('.implode('|', $keys) .')\/iu',\r\n<span style=\"white-space: pre;\"> <\/span>'<strong class=\"search-excerpt\">\\0<\/strong>',\r\n<span style=\"white-space: pre;\"> <\/span>$title); \r\n?> \r\n<\/pre>\nstyle.css<\/code>. Add:<\/p>\nstrong.search-excerpt { background: yellow; } \r\n<\/pre>\n40. Exclude Posts and Pages from Search Results<\/h3>\n
\/\/ search filter\r\nfunction fb_search_filter($query) { \r\n \r\nif ( !$query->is_admin && $query->is_search) { \r\n$query->set('post__not_in', array(40, 9) ); \/\/ id of page or post\r\n} \r\n \r\nreturn $query; \r\n} \r\nadd_filter( 'pre_get_posts', 'fb_search_filter' ); \r\n<\/pre>\n\/\/ search filter\r\nfunction fb_search_filter($query) { \r\n \r\nif ( !$query->is_admin && $query->is_search) { \r\n$pages = array(2, 40, 9); \/\/ id of page or post\r\n\/\/ find children to id\r\n>foreach( $pages as $page ) { \r\n$childrens = get_pages( array('child_of' => $page, 'echo' => 0) ); \r\n} \r\n\/\/ add id to array \r\n>for($i = 0; $i < sizeof($childrens); ++$i) { $pages[] = $childrens[$i]->ID; \r\n} \r\n$query->set('post__not_in', $pages ); \r\n} \r\n \r\nreturn $query; \r\n} \r\nadd_filter( 'pre_get_posts', 'fb_search_filter' ); \r\n<\/pre>\n41. Disable WordPress Search<\/h3>\n
function fb_filter_query( $query, $error = true ) { \r\n \r\nif ( is_search() ) { \r\n$query->is_search = false; \r\n$query->query_vars[s] = false; \r\n$query->query[s] = false; \r\n\/\/ to error\r\n>if ( $error == true ) \r\n$query->is_404 = true; \r\n} \r\n} \r\nadd_action( 'parse_query', 'fb_filter_query' ); \r\nadd_filter( 'get_search_form', create_function( '$a', \"return null;\" ) ); \r\n<\/pre>\nPosts<\/h2>\n
42. Set a Maximum Word Count on Post Titles<\/h3>\n
function maxWord($title){ \r\n \r\nglobal $post;\r\n$title = $post->post_title; \r\n \r\nif (str_word_count($title) >= 10 ) \/\/set this to the maximum number of words\r\nwp_die( __('Error: your post title is over the maximum word count.') ); \r\n} \r\nadd_action('publish_post', 'maxWord'); \r\n<\/pre>\n43. Set Minimum Word Count on Posts<\/h3>\n
function minWord($content){ \r\n \r\nglobal $post;\r\n$num = 100; \/\/set this to the minimum number of words\r\n$content = $post->post_content;\r\n \r\nif (str_word_count($content) < $num) \t wp_die( __('Error: your post is below the minimum word count.') ); } add_action('publish_post', 'minWord');<\/pre>\n44. Add Default Text to your Posts<\/h3>\n
<?php \r\n \r\nadd_filter( 'default_content', 'my_editor_content' ); \r\nfunction my_editor_content( $content ) { \r\n$content = \"This is some custom content I'm adding to the post editor because I hate re-typing it.\"; \r\n \r\nreturn $content;\r\n} \r\n?> \r\n<\/pre>\n45. Add Custom Content Under Each Post<\/h3>\n
function add_post_content($content) { \r\n \r\nif(!is_feed() && !is_home()) { \r\n$content .= '<p>This article is copyright © '.date('Y').' '.bloginfo('name').'<\/p>'; \r\n} \r\n \r\nreturn $content;\r\n} \r\nadd_filter('the_content', 'add_post_content'); \r\n<\/pre>\n