WordPress-Handbuch WordPress-Handbuch
WordPress-Handbuch
/ listing-22-2.css
Created
March 22, 2019 11:33
The meta tags for building a WordPress theme's style.css file from the scratch
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| /* | |
| Theme Name: WH HTML Theme | |
| Theme URI: https://wordpress-handbuch.com | |
| Author: WordPress-Handbuch | |
| Author URI: https://wordpress-handbuch.com | |
| Description: Just the meta tags for building a style.css file from the scratch | |
| Version: 0.1 | |
| License: GNU General Public License v2 or later | |
| License URI: http://www.gnu.org/licenses/gpl-2.0.html | |
| Text Domain: whhtmltheme |
WordPress-Handbuch
/ listing-21-1.php
Last active
April 19, 2019 14:24
Basic functions.php for a Twenty Nineteen child theme
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| <?php | |
| add_action( 'wp_enqueue_scripts', 'twentynineteen_child_enqueue_styles' ); | |
| function twentynineteen_child_enqueue_styles() { | |
| $parent_style = 'twentynineteen-style'; | |
| wp_enqueue_style( $parent_style, get_template_directory_uri() . '/style.css' ); | |
| wp_enqueue_style( 'twentynineteen-child-style', | |
| get_stylesheet_directory_uri() . '/style.css', | |
| array( $parent_style ), | |
| filemtime(get_stylesheet_directory() . '/style.css') | |
| ); |
WordPress-Handbuch
/ listing-20-1.php
Last active
April 11, 2019 07:18
Example WordPress 5 widget to display a configurable number of event entries from the database, originally populated through a new custom post type
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| <?php | |
| /** | |
| * @package WH_Event_Widget | |
| * @version 1.0.0 | |
| */ | |
| /* | |
| Plugin Name: WH Event Widget | |
| Plugin URI: https://wordpress-handbuch.com | |
| Description: Anzeige aktueller Veranstaltungen | |
| Author: Johannes Mustermann |
WordPress-Handbuch
/ listing-19-5.php
Last active
April 10, 2019 09:29
Adding a custom taxonomy wh_eventtype to the custom post type wh_event (WordPress 5 needs show_in_rest for the metaboxes to appear)
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| <?php | |
| /** | |
| * Plugin Name: WH Custom Post Type | |
| * Version: 0.4 | |
| */ | |
| function add_wh_events() { | |
| $labels = array( | |
| 'name' => 'Veranstaltungen', | |
| 'singular_name' => 'Veranstaltung', | |
| 'add_new' => 'Erstellen', |
WordPress-Handbuch
/ listing-19-4.php
Last active
April 10, 2019 09:22
Replace custom post type overview columns with custom fields from the meta-box configuration (WordPress 5 example for event dates and locations)
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| <?php | |
| /** | |
| * Plugin Name: WH Custom Post Type | |
| * Version: 0.3 | |
| */ | |
| function add_wh_events() { | |
| $labels = array( | |
| 'name' => 'Veranstaltungen', | |
| 'singular_name' => 'Veranstaltung', | |
| 'add_new' => 'Erstellen', |
WordPress-Handbuch
/ listing-19-3.php
Created
March 14, 2019 09:36
Extending a WordPress theme's single.php template file to output custom post fields (meta-boxes), (tested for Twenty Nineteen)
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| if ( $custom = get_post_custom() ) { | |
| $location = ( isset($custom['location'][0] )) ? 'in ' . $custom['location'][0] : ''; | |
| $eventdate = ( isset($custom['eventdate'][0] )) ? 'am ' . date_i18n(get_option( 'date_format' ), strtotime($custom['eventdate'][0])) : ''; | |
| if ( !empty( $location ) || !empty ($location)) { | |
| echo ' <h3 class="comments-area">Veranstaltung ' . $location . ' ' . $eventdate . '</h3>'; | |
| } | |
| } |
WordPress-Handbuch
/ listing-19-2.php
Last active
April 10, 2019 09:12
Extending a custom post type by custom fields through the meta-box mechanism (WordPress 5 verified)
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| <?php | |
| /** | |
| * Plugin Name: WH Custom Post Type | |
| * Version: 0.2 | |
| */ | |
| function add_wh_events() { | |
| $labels = array( | |
| 'name' => 'Veranstaltungen', | |
| 'singular_name' => 'Veranstaltung', | |
| 'add_new' => 'Erstellen', |
WordPress-Handbuch
/ listing-18-14.php
Last active
April 11, 2019 07:06
Anti spam measure: Remove all links in WordPress comments when the comment form is being submitted, using a filter hook
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| function wh_remove_comment_links( $content ) { | |
| global $allowedtags; | |
| $tags = $allowedtags; | |
| unset( $tags['a'] ); | |
| $content = addslashes( wp_kses( stripslashes( $content ), $tags ) ); | |
| return $content; | |
| } | |
| add_filter( 'pre_comment_content', 'wh_remove_comment_links' ); |
WordPress-Handbuch
/ listing-18-13.php
Last active
April 11, 2019 07:05
Remove website field from WordPress' comment form through filter hook in functions.php
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| function wh_emove_url_from_comment_form( $fields ) { | |
| unset( $fields['url'] ); | |
| return $fields; | |
| } | |
| add_filter( 'comment_form_default_fields', 'wh_remove_url_from_comment_form' ); |
WordPress-Handbuch
/ listing-18-12.php
Last active
April 11, 2019 07:03
Exchange the backend WordPress note in the footer with an own message, via filter hook in functions.php
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| function wh_wordpress_backend_footer () { | |
| echo 'WordPress sauber installiert und konfiguriert dank des umfassenden und sagenhaften <a href="https://wordpress-handbuch.com" target="_blank">WordPress-Handbuchs</a></p>'; | |
| } | |
| add_filter('admin_footer_text', 'wh_wordpress_backend_footer'); |