Limit character in content and title in wordpress

• Snippets

function break_text($text, $length = 500){ if(strlen($text)<$length+10) return $text;//don't cut if too short $break_pos = strpos($text, ' ', $length);//find next space after desired length $visible = substr($text, 0, $break_pos); return balanceTags($visible) . " […]"; }

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function break_text($text, $length = 500){     if(strlen($text)<$length+10) return $text;//don't cut if too short       $break_pos = strpos($text, ' ', $length);//find next space after desired length     $visible = substr($text, 0, $break_pos);     return balanceTags($visible) . " […]"; }

or with readmore

function limit_text($text){ if(is_front_page()) { $length = 250; if(strlen($text)<$length+10) return $text; //don't cut if too short $break_pos = strpos($text, ' ', $length); //find next space after desired length $visible = substr($text, 0, $break_pos); return balanceTags($visible) . "... <a href='".get_permalink()."'>read more</a>"; }else{ return $text; } }

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function limit_text($text){     if(is_front_page())   {     $length = 250;     if(strlen($text)<$length+10) return $text; //don't cut if too short     $break_pos = strpos($text, ' ', $length); //find next space after desired length     $visible = substr($text, 0, $break_pos);     return balanceTags($visible) . "... <a href='".get_permalink()."'>read more</a>";   }else{     return $text;   }   }

 

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Remove Admin Menus

• Snippets

add_action( 'admin_menu', 'remove_admin_menus' ); add_action( 'admin_menu', 'remove_admin_submenus' ); //Remove top level admin menus function remove_admin_menus() { remove_menu_page( 'edit-comments.php' ); remove_menu_page( 'link-manager.php' ); remove_menu_page( 'tools.php' ); remove_menu_page( 'plugins.php' ); remove_menu_page( 'users.php' ); remove_menu_page( 'options-general.php' ); remove_menu_page( 'upload.php' ); remove_menu_page( 'edit.php' ); remove_menu_page( 'edit.php?post_type=page' ); remove_menu_page( 'themes.php' ); } //Remove sub level admin menus function remove_admin_submenus() { remove_submenu_page( 'themes.php', 'theme-editor.php' ); remove_submenu_page( 'themes.php', 'themes.php' ); remove_submenu_page( 'edit.php', 'edit-tags.php?taxonomy=post_tag' ); remove_submenu_page( 'edit.php', 'edit-tags.php?taxonomy=category' ); remove_submenu_page( 'edit.php', 'post-new.php' ); remove_submenu_page( 'themes.php', 'nav-menus.php' ); remove_submenu_page( 'themes.php', 'widgets.php' ); remove_submenu_page( 'themes.php', 'theme-editor.php' ); remove_submenu_page( 'plugins.php', 'plugin-editor.php' ); remove_submenu_page( 'plugins.php', 'plugin-install.php' ); remove_submenu_page( 'users.php', 'users.php' ); remove_submenu_page( 'users.php', 'user-new.php' ); remove_submenu_page( 'upload.php', 'media-new.php' ); remove_submenu_page( 'options-general.php', 'options-writing.php' ); remove_submenu_page( 'options-general.php', 'options-discussion.php' ); remove_submenu_page( 'options-general.php', 'options-reading.php' ); remove_submenu_page( 'options-general.php', 'options-discussion.php' ); remove_submenu_page( 'options-general.php', 'options-media.php' ); remove_submenu_page( 'options-general.php', 'options-privacy.php' ); remove_submenu_page( 'options-general.php', 'options-permalinks.php' ); remove_submenu_page( 'index.php', 'update-core.php' ); }

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add_action( 'admin_menu', 'remove_admin_menus' ); add_action( 'admin_menu', 'remove_admin_submenus' );   //Remove top level admin menus function remove_admin_menus() {     remove_menu_page( 'edit-comments.php' );     remove_menu_page( 'link-manager.php' );     remove_menu_page( 'tools.php' );     remove_menu_page( 'plugins.php' );     remove_menu_page( 'users.php' );     remove_menu_page( 'options-general.php' );     remove_menu_page( 'upload.php' );     remove_menu_page( 'edit.php' );     remove_menu_page( 'edit.php?post_type=page' );     remove_menu_page( 'themes.php' ); }     //Remove sub level admin menus function remove_admin_submenus() {     remove_submenu_page( 'themes.php', 'theme-editor.php' );     remove_submenu_page( 'themes.php', 'themes.php' );     remove_submenu_page( 'edit.php', 'edit-tags.php?taxonomy=post_tag' );     remove_submenu_page( 'edit.php', 'edit-tags.php?taxonomy=category' );     remove_submenu_page( 'edit.php', 'post-new.php' );     remove_submenu_page( 'themes.php', 'nav-menus.php' );     remove_submenu_page( 'themes.php', 'widgets.php' );     remove_submenu_page( 'themes.php', 'theme-editor.php' );     remove_submenu_page( 'plugins.php', 'plugin-editor.php' );     remove_submenu_page( 'plugins.php', 'plugin-install.php' );     remove_submenu_page( 'users.php', 'users.php' );     remove_submenu_page( 'users.php', 'user-new.php' );     remove_submenu_page( 'upload.php', 'media-new.php' );     remove_submenu_page( 'options-general.php', 'options-writing.php' );     remove_submenu_page( 'options-general.php', 'options-discussion.php' );     remove_submenu_page( 'options-general.php', 'options-reading.php' );     remove_submenu_page( 'options-general.php', 'options-discussion.php' );     remove_submenu_page( 'options-general.php', 'options-media.php' );     remove_submenu_page( 'options-general.php', 'options-privacy.php' );     remove_submenu_page( 'options-general.php', 'options-permalinks.php' );     remove_submenu_page( 'index.php', 'update-core.php' ); }

 

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Display admin menu urls – debug

• Snippets

add_action( 'admin_init', 'wpse_136058_debug_admin_menu' ); function wpse_136058_debug_admin_menu() { echo '<pre>' . print_r( $GLOBALS[ 'menu' ], TRUE) . '</pre>'; }

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add_action( 'admin_init', 'wpse_136058_debug_admin_menu' );   function wpse_136058_debug_admin_menu() {       echo '<pre>' . print_r( $GLOBALS[ 'menu' ], TRUE) . '</pre>'; }

 

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Hide page visual editor if certain template is selected

• Snippets

add_action( 'init', 'remove_editor_init' ); function remove_editor_init() { // If not in the admin, return. if ( ! is_admin() ) { return; } // Get the post ID on edit post with filter_input super global inspection. $current_post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT ); // Get the post ID on update post with filter_input super global inspection. $update_post_id = filter_input( INPUT_POST, 'post_ID', FILTER_SANITIZE_NUMBER_INT ); // Check to see if the post ID is set, else return. if ( isset( $current_post_id ) ) { $post_id = absint( $current_post_id ); } else if ( isset( $update_post_id ) ) { $post_id = absint( $update_post_id ); } else { return; } // Don't do anything unless there is a post_id. if ( isset( $post_id ) ) { // Get the template of the current post. $template_file = get_post_meta( $post_id, '_wp_page_template', true ); // Example of removing page editor for page-your-template.php template. if ( 'page-your-template.php' === $template_file ) { remove_post_type_support( 'page', 'editor' ); // Other features can also be removed in addition to the editor. See: https://codex.wordpress.org/Function_Reference/remove_post_type_support. } } }

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add_action( 'init', 'remove_editor_init' );   function remove_editor_init() {     // If not in the admin, return.     if ( ! is_admin() ) {        return;     }       // Get the post ID on edit post with filter_input super global inspection.     $current_post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );     // Get the post ID on update post with filter_input super global inspection.     $update_post_id = filter_input( INPUT_POST, 'post_ID', FILTER_SANITIZE_NUMBER_INT );       // Check to see if the post ID is set, else return.     if ( isset( $current_post_id ) ) {        $post_id = absint( $current_post_id );     } else if ( isset( $update_post_id ) ) {        $post_id = absint( $update_post_id );     } else {        return;     }       // Don't do anything unless there is a post_id.     if ( isset( $post_id ) ) {        // Get the template of the current post.        $template_file = get_post_meta( $post_id, '_wp_page_template', true );          // Example of removing page editor for page-your-template.php template.        if (  'page-your-template.php' === $template_file ) {            remove_post_type_support( 'page', 'editor' );            // Other features can also be removed in addition to the editor. See: https://codex.wordpress.org/Function_Reference/remove_post_type_support.        }     } }

 

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has_post_thumbnail() not working

• Snippets

Assuming that you’re in The Loop, you can fix this problem, by replacing:

if ( has_post_thumbnail() ) { // do a bunch of stuff }

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if ( has_post_thumbnail() ) {      // do a bunch of stuff }

with

$featured_image_url = wp_get_attachment_url( get_post_thumbnail_id( get_the_ID() ) ); if ( ! empty( $featured_image_url ) ) { // do a bunch of stuff }

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$featured_image_url = wp_get_attachment_url( get_post_thumbnail_id( get_the_ID() ) ); if  ( ! empty( $featured_image_url ) ) {      // do a bunch of stuff }

 

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