1 <?php
  2 
  3     /**
  4      * Vanilla various configurations.
  5      * 
  6      * @author Nevma, http://www.nevma.gr, info@nevma.gr
  7      * 
  8      * @license http://www.gnu.org/licenses/gpl-3.0.en.html GPLv3
  9      */
 10 
 11 
 12 
 13     /**
 14      * Cleans up frontend elements from the HEAD like print styles, etc. 
 15      * 
 16      * @return void
 17      */
 18 
 19     function vanilla_config_cleanup_head () {
 20 
 21         // Only care for the frontend.
 22 
 23         if ( is_admin() ) {
 24              return;
 25         }
 26 
 27         // Remove WP head crap.
 28 
 29         remove_action( 'wp_head', 'rel_canonical' );
 30         remove_action( 'wp_head', 'rsd_link' );
 31         remove_action( 'wp_head', 'feed_links', 2 );
 32         remove_action( 'wp_head', 'feed_links_extra', 3 );
 33         remove_action( 'wp_head', 'wp_shortlink_wp_head' );
 34         remove_action( 'wp_head', 'wlwmanifest_link' );
 35         remove_action( 'wp_head', 'wp_generator' );
 36         remove_action( 'wp_head', 'index_rel_link' );
 37         remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 );
 38         remove_action( 'wp_head', 'start_post_rel_link', 10, 0 );
 39         remove_action( 'wp_head', 'adjacent_posts_rel_link', 10, 0 );
 40 
 41     }
 42 
 43     
 44 
 45     /**
 46      * Stops transformations of quotes to smart quotes, apostrophes, dashes, 
 47      * in post and comment contents etc. 
 48      * 
 49      * @return void
 50      */
 51 
 52     function vanilla_config_no_texturize () {
 53 
 54         // Only care for the frontend.
 55 
 56         if ( is_admin() ) {
 57              return;
 58         }
 59 
 60         // Fixes double apostrophe issue.
 61 
 62         remove_filter( 'the_content',  'wptexturize' );
 63         remove_filter( 'the_title',    'wptexturize' );
 64         remove_filter( 'the_excerpt',  'wptexturize' );
 65         remove_filter( 'comment_text', 'wptexturize' );
 66 
 67     }
 68 
 69     
 70 
 71     /**
 72      * Cleans up and fixes various frontend details like elements from the HEAD
 73      * emojis, print styles, etc. 
 74      * 
 75      * @return void
 76      */
 77 
 78     function vanilla_config_no_emojis () {
 79 
 80         // Only care for the frontend.
 81 
 82         if ( is_admin() ) {
 83              return;
 84         }
 85 
 86         // Disables emojis everywhere.
 87 
 88         remove_action( 'wp_head',             'print_emoji_detection_script', 7 );
 89         remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
 90         remove_action( 'wp_print_styles',     'print_emoji_styles' );
 91         remove_action( 'admin_print_styles',  'print_emoji_styles' );    
 92         remove_filter( 'the_content_feed',    'wp_staticize_emoji' );
 93         remove_filter( 'comment_text_rss',    'wp_staticize_emoji' );  
 94         remove_filter( 'wp_mail',             'wp_staticize_emoji_for_email' );
 95 
 96     }
 97 
 98        
 99 
100     /**
101      * Sets up capabilities that this theme supports.
102      * 
103      * @return void
104      */
105 
106     function vanilla_config_setup_theme_support () {
107         
108         // Add HTML5 elements theme support.
109 
110         add_theme_support( 
111             'html5', 
112             array( 
113                 'comment-list', 
114                 'comment-form', 
115                 'search-form', 
116                 'gallery', 
117                 'caption' 
118             )
119         );
120 
121         // Use post thumbnails.
122 
123         add_theme_support( 'post-thumbnails' );
124 
125         // Support page excerpts. 
126 
127         add_post_type_support( 'page', array( 'excerpt' ) );
128 
129     }
130 
131 
132     
133     /**
134      * Returns the JPEG compression quality level that WordPress will use when
135      * creating new images like thumbnail sizes, etc.
136      * 
137      * @return int The JPEG compression quality level.
138      */
139 
140     function vanilla_config_jpeg_quality () {
141 
142         if ( defined( 'VANILLA_JPEG_QUALITY' ) ) {
143             return VANILLA_JPEG_QUALITY; 
144         } else {
145             return 75;
146         }
147 
148     }
149 
150 
151     
152     /**
153      * Returns excerpt length according to what the developer has defined in 
154      * their functions.php.
155      * 
156      * @return int The excerpt length.
157      */
158 
159     function vanilla_config_excerpt_length () {
160 
161         if ( defined( 'VANILLA_EXCERPT_LENGTH' ) ) {
162             return VANILLA_EXCERPT_LENGTH; 
163         } else {
164             return 25;
165         }
166 
167     }
168 
169 
170 
171     /**
172      * Returns the posts excerpt suffix according to what the developer has 
173      * defined in their functions.php.
174      * 
175      * @return string The posts excerpt suffix.
176      */
177 
178     function vanilla_config_excerpt_more () {
179 
180         if ( defined( 'VANILLA_EXCERPT_MORE' ) ) {
181             return VANILLA_EXCERPT_MORE;
182         } else {
183             return '&hellip;';
184         }
185 
186     }
187 
188 
189 
190     /**
191      * Registers a custom WordPress die handler for the Vanilla framework.
192      * 
193      * @param string $message   The WordPress error page message.
194      * @param string $title     The WordPress error page title.
195      * @param array  $arguments Extra error information arguments.
196      * 
197      * @return void
198      */
199 
200     function vanilla_config_die_handler ( $message, $title = 'Die, dying, dead', $arguments = array() ) {
201 
202         // In case user is accessing the wp-admin not logged in.
203 
204         if ( strpos( $_SERVER['REQUEST_URI'], '/wp-admin/' ) !== false && ! is_user_logged_in() ) {
205 
206             // Help them remember their correct login url by adding a hint to the error message.
207 
208             $message .= '
209                 </p>
210                 <p>
211                     If you cannot remember your login page url, 
212                     then you should ask the Nevma team. 
213                     They will tell you, but it&apos;s a secret between you and them!
214                 </p>
215                 <p>
216                     <strong>Hint:</strong> 
217                     It is the page where the <em>&ldquo;user logs in&rdquo;</em>&hellip; 
218                     Get it?
219             ';
220             
221         }
222 
223         nocache_headers();
224 
225 
226 
227         // Otherwise just show the current error
228 
229         include( locate_template( array( 'inc/vanilla/base/vanilla-error.php' ), false, false ) );
230 
231         die();
232     
233     }
234 
235 
236 
237     /**
238      * Returns the name of the custom die handler for the Vanilla framework.
239      * 
240      * @return void
241      */
242     
243     function vanilla_config_return_die_handler_name () {
244 
245         return 'vanilla_config_die_handler';
246     
247     }
248     
249 ?>

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