| 1 |
<?php |
| 2 |
|
| 3 |
class SimpleTags_Client_Autolinks { |
| 4 |
|
| 5 |
public static $posts = array(); |
| 6 |
public static $link_tags = array(); |
| 7 |
public static $tagged_link_count = 0; |
| 8 |
|
| 9 |
/** |
| 10 |
* Constructor |
| 11 |
* |
| 12 |
* @return void |
| 13 |
* @author WebFactory Ltd |
| 14 |
*/ |
| 15 |
public function __construct() { |
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|
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if ( 1 === (int) SimpleTags_Plugin::get_option_value( 'active_auto_links' ) ) { |
| 18 |
|
| 19 |
$auto_link_priority = SimpleTags_Plugin::get_option_value( 'auto_link_priority' ); |
| 20 |
if ( 0 === (int) $auto_link_priority ) { |
| 21 |
$auto_link_priority = 12; |
| 22 |
} |
| 23 |
|
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// Auto link tags |
| 25 |
add_filter( 'the_posts', array( __CLASS__, 'the_posts' ), 10 ); |
| 26 |
|
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//legacy |
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if ( 'no' !== SimpleTags_Plugin::get_option_value( 'auto_link_views' ) && (int)SimpleTags_Plugin::get_option_value( 'auto_link_tags' ) > 0 ) { |
| 29 |
add_filter( 'the_content', array( __CLASS__, 'the_content' ), $auto_link_priority ); |
| 30 |
add_filter( 'the_title', array( __CLASS__, 'the_title' ) ); |
| 31 |
} |
| 32 |
|
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//new UI |
| 34 |
add_filter('the_content', array( __CLASS__, 'taxopress_autolinks_the_content'), 12); |
| 35 |
add_filter('the_title', array( __CLASS__, 'taxopress_autolinks_the_title'), 12); |
| 36 |
} |
| 37 |
|
| 38 |
} |
| 39 |
|
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/** |
| 41 |
* Stock posts ID as soon as possible |
| 42 |
* TODO: test if post_type allow post_tag before keep post ID |
| 43 |
* |
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* @param array $posts |
| 45 |
* |
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* @return array |
| 47 |
*/ |
| 48 |
public static function the_posts( $posts ) { |
| 49 |
if ( ! empty( $posts ) && is_array( $posts ) ) { |
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foreach ( (array) $posts as $post ) { |
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self::$posts[] = (int) $post->ID; |
| 52 |
} |
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|
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self::$posts = array_unique( self::$posts ); |
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} |
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|
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return $posts; |
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} |
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|
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/** |
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* Get tags from current post views |
| 62 |
* |
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* @return array |
| 64 |
*/ |
| 65 |
public static function get_tags_from_current_posts($options = false) { |
| 66 |
|
| 67 |
if ( is_array( self::$posts ) && count( self::$posts ) > 0 ) { |
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// Generate SQL from post id |
| 69 |
$postlist = implode( "', '", self::$posts ); |
| 70 |
|
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// Generate key cache |
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$key = md5( maybe_serialize( $postlist ) ); |
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|
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$results = array(); |
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|
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if($options){ |
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$term_taxonomy = $options['taxonomy']; |
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}else{ |
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$term_taxonomy = 'post_tag'; |
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} |
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|
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// Get cache if exist |
| 83 |
$cache = wp_cache_get( 'generate_keywords', 'simple-tags' ); |
| 84 |
if ( $options || false === $cache ) |
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{ |
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foreach ( self::$posts as $object_id ) { |
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// Get terms |
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$terms = get_object_term_cache( $object_id, $term_taxonomy ); |
| 89 |
if ( false === $terms || is_wp_error( $terms ) ) { |
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$terms = wp_get_object_terms( $object_id, $term_taxonomy ); |
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} |
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|
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if ( false !== $terms && ! is_wp_error( $terms ) ) { |
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$results = array_merge( $results, $terms ); |
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} |
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} |
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|
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$cache[ $key ] = $results; |
| 99 |
wp_cache_set( 'generate_keywords', $cache, 'simple-tags' ); |
| 100 |
} else { |
| 101 |
if ( isset( $cache[ $key ] ) ) { |
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return $cache[ $key ]; |
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} |
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} |
| 105 |
|
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return $results; |
| 107 |
} |
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|
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return array(); |
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} |
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|
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/** |
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* Get all available local tags |
| 114 |
* |
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* @return array |
| 116 |
*/ |
| 117 |
public static function get_all_post_tags($options = false) { |
| 118 |
if ( is_array( self::$posts ) && count( self::$posts ) > 0 ) { |
| 119 |
// Generate SQL from post id |
| 120 |
$postlist = implode( "', '", self::$posts ); |
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|
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// Generate key cache |
| 123 |
$key = md5( maybe_serialize( $postlist ) ); |
| 124 |
|
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if($options){ |
| 126 |
$term_taxonomy = $options['taxonomy']; |
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}else{ |
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$term_taxonomy = 'post_tag'; |
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} |
| 130 |
$results = get_tags(['taxonomy' => $term_taxonomy]); |
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// Get cache if exist |
| 132 |
$cache = wp_cache_get( 'generate_keywords', 'simple-tags' ); |
| 133 |
if ( $options || false === $cache ) { |
| 134 |
foreach ( self::$posts as $object_id ) { |
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// Get terms |
| 136 |
$terms = get_object_term_cache( $object_id, $term_taxonomy ); |
| 137 |
if ( false === $terms || is_wp_error( $terms ) ) { |
| 138 |
$terms = wp_get_object_terms( $object_id, $term_taxonomy ); |
| 139 |
} |
| 140 |
|
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if ( false !== $terms && ! is_wp_error( $terms ) ) { |
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$results = array_merge( $results, $terms ); |
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} |
| 144 |
} |
| 145 |
|
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$cache[ $key ] = $results; |
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wp_cache_set( 'generate_keywords', $cache, 'simple-tags' ); |
| 148 |
} else { |
| 149 |
if ( isset( $cache[ $key ] ) ) { |
| 150 |
return $cache[ $key ]; |
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} |
| 152 |
} |
| 153 |
|
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return $results; |
| 155 |
} |
| 156 |
|
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return array(); |
| 158 |
} |
| 159 |
|
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/** |
| 161 |
* Get links for each tag for auto link feature |
| 162 |
* |
| 163 |
*/ |
| 164 |
public static function prepare_auto_link_tags($options = false) { |
| 165 |
global $post; |
| 166 |
if($options){ |
| 167 |
$auto_link_min = (int) $options['autolink_usage_min']; |
| 168 |
$unattached_terms = (int) $options['unattached_terms']; |
| 169 |
$autolink_min_char = (int) $options['autolink_min_char']; |
| 170 |
$autolink_max_char = (int) $options['autolink_max_char']; |
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$ignore_attached = (int) $options['ignore_attached']; |
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$term_taxonomy = $options['taxonomy']; |
| 173 |
}else{ |
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$auto_link_min = (int) SimpleTags_Plugin::get_option_value( 'auto_link_min' ); |
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$unattached_terms = (int) SimpleTags_Plugin::get_option_value( 'auto_link_all' ); |
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$autolink_min_char = 0; |
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$autolink_max_char = 0; |
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$ignore_attached = 0; |
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$term_taxonomy = 'post_tag'; |
| 180 |
} |
| 181 |
|
| 182 |
if ( 0 === $auto_link_min ) { |
| 183 |
$auto_link_min = 1; |
| 184 |
} |
| 185 |
if( 1 === $unattached_terms ){ |
| 186 |
$terms = self::get_all_post_tags($options); |
| 187 |
}else{ |
| 188 |
$terms = self::get_tags_from_current_posts($options); |
| 189 |
} |
| 190 |
|
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foreach ( (array) $terms as $term ) { |
| 192 |
if($ignore_attached > 0){ |
| 193 |
if(has_term( $term->term_id, $term_taxonomy, $post )){ |
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continue; |
| 195 |
} |
| 196 |
} |
| 197 |
|
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//min character check |
| 199 |
$min_char_pass = true; |
| 200 |
if($autolink_min_char > 0){ |
| 201 |
$min_char_pass = strlen($term->name) >= $autolink_min_char ? true : false; |
| 202 |
} |
| 203 |
//max character check |
| 204 |
$max_char_pass = true; |
| 205 |
if($autolink_max_char > 0){ |
| 206 |
$max_char_pass = strlen($term->name) <= $autolink_max_char ? true : false; |
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} |
| 208 |
|
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if ( $term->count >= $auto_link_min && $min_char_pass && $max_char_pass ) { |
| 210 |
self::$link_tags[ $term->name ] = esc_url( get_term_link( $term, $term->taxonomy ) ); |
| 211 |
} |
| 212 |
} |
| 213 |
|
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return true; |
| 215 |
} |
| 216 |
|
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/** |
| 218 |
* Replace text by link to tag |
| 219 |
* |
| 220 |
* @param string $content |
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* |
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* @return string |
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*/ |
| 224 |
public static function the_content( $content = '' ) { |
| 225 |
global $post; |
| 226 |
|
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// Show only on singular view ? Check context |
| 228 |
if ( 'singular' === SimpleTags_Plugin::get_option_value( 'auto_link_views' ) && ! is_singular() ) { |
| 229 |
return $content; |
| 230 |
} |
| 231 |
|
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// Show only on single view ? Check context |
| 233 |
if ( 'single' === SimpleTags_Plugin::get_option_value( 'auto_link_views' ) && ! is_single() ) { |
| 234 |
return $content; |
| 235 |
} |
| 236 |
|
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// user preference for this post ? |
| 238 |
$meta_value = get_post_meta( $post->ID, '_exclude_autolinks', true ); |
| 239 |
if ( ! empty( $meta_value ) || is_admin() ) { |
| 240 |
return $content; |
| 241 |
} |
| 242 |
|
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// Get currents tags if no exists |
| 244 |
self::prepare_auto_link_tags(); |
| 245 |
|
| 246 |
// Shuffle array |
| 247 |
SimpleTags_Client::random_array( self::$link_tags ); |
| 248 |
|
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// HTML Rel (tag/no-follow) |
| 250 |
$rel = SimpleTags_Client::get_rel_attribut(); |
| 251 |
|
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// only continue if the database actually returned any links |
| 253 |
if ( ! isset( self::$link_tags ) || ! is_array( self::$link_tags ) || empty( self::$link_tags ) ) { |
| 254 |
return $content; |
| 255 |
} |
| 256 |
|
| 257 |
// Case option ? |
| 258 |
$case = ( 1 === (int) SimpleTags_Plugin::get_option_value( 'auto_link_case' ) ) ? 'i' : ''; |
| 259 |
$strpos_fnc = ( 'i' === $case ) ? 'stripos' : 'strpos'; |
| 260 |
|
| 261 |
// Prepare exclude terms array |
| 262 |
$excludes_terms = explode( ',', SimpleTags_Plugin::get_option_value( 'auto_link_exclude' ) ); |
| 263 |
if ( empty( $excludes_terms ) ) { |
| 264 |
$excludes_terms = array(); |
| 265 |
} else { |
| 266 |
$excludes_terms = array_filter( $excludes_terms, '_delete_empty_element' ); |
| 267 |
$excludes_terms = array_unique( $excludes_terms ); |
| 268 |
} |
| 269 |
|
| 270 |
$z = 0; |
| 271 |
foreach ( (array) self::$link_tags as $term_name => $term_link ) { |
| 272 |
// Force string for tags "number" |
| 273 |
$term_name = (string) $term_name; |
| 274 |
|
| 275 |
// Exclude terms ? next... |
| 276 |
if ( in_array( $term_name, (array) $excludes_terms, true ) ) { |
| 277 |
continue; |
| 278 |
} |
| 279 |
|
| 280 |
// Make a first test with PHP function, economize CPU with regexp |
| 281 |
if ( false === $strpos_fnc( $content, $term_name ) ) { |
| 282 |
continue; |
| 283 |
} |
| 284 |
|
| 285 |
if ( 1 === (int) SimpleTags_Plugin::get_option_value( 'auto_link_dom' ) && class_exists( 'DOMDocument' ) && class_exists( 'DOMXPath' ) ) { |
| 286 |
self::replace_by_links_dom( $content, $term_name, $term_link, $case, $rel ); |
| 287 |
} else { |
| 288 |
self::replace_by_links_regexp( $content, $term_name, $term_link, $case, $rel ); |
| 289 |
|
| 290 |
|
| 291 |
} |
| 292 |
|
| 293 |
$z ++; |
| 294 |
|
| 295 |
if ( $z > (int) SimpleTags_Plugin::get_option_value( 'auto_link_max_by_post' ) ) { |
| 296 |
break; |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
|
| 301 |
return $content; |
| 302 |
} |
| 303 |
|
| 304 |
/** |
| 305 |
* Replace text by link, except HTML tag, and already text into link, use DOMdocument. |
| 306 |
* https://stackoverflow.com/questions/4044812/regex-domdocument-match-and-replace-text-not-in-a-link |
| 307 |
* |
| 308 |
* @param string $content |
| 309 |
* @param string $search |
| 310 |
* @param string $replace |
| 311 |
* @param string $case |
| 312 |
* @param string $rel |
| 313 |
* |
| 314 |
* @return void |
| 315 |
*/ |
| 316 |
private static function replace_by_links_dom( &$content, $search = '', $replace = '', $case = '', $rel = '', $options = false ) { |
| 317 |
$dom = new DOMDocument(); |
| 318 |
|
| 319 |
//replace html entity with their entity code |
| 320 |
foreach(taxopress_html_character_and_entity() as $enity => $code){ |
| 321 |
$content = str_replace($enity, $code,$content); |
| 322 |
} |
| 323 |
$content = str_replace('&#','|--|',$content);//https://github.com/TaxoPress/TaxoPress/issues/824 |
| 324 |
$content = str_replace('&','&',$content); //https://github.com/TaxoPress/TaxoPress/issues/770*/ |
| 325 |
//$content = utf8_decode($content); |
| 326 |
|
| 327 |
libxml_use_internal_errors(true); |
| 328 |
// loadXml needs properly formatted documents, so it's better to use loadHtml, but it needs a hack to properly handle UTF-8 encoding |
| 329 |
$result = $dom->loadHtml( mb_convert_encoding( $content, 'HTML-ENTITIES', "UTF-8" ) ); |
| 330 |
|
| 331 |
if ( false === $result ) { |
| 332 |
return; |
| 333 |
} |
| 334 |
|
| 335 |
if($options){ |
| 336 |
$autolink_case = $options['autolink_case']; |
| 337 |
$html_exclusion = $options['html_exclusion']; |
| 338 |
$exclude_class = $options['autolink_exclude_class']; |
| 339 |
$title_attribute = $options['autolink_title_attribute']; |
| 340 |
$same_usage_max = $options['autolink_same_usage_max']; |
| 341 |
$max_by_post = $options['autolink_usage_max']; |
| 342 |
$link_class = isset($options['link_class']) ? taxopress_format_class($options['link_class']) : ''; |
| 343 |
}else{ |
| 344 |
$autolink_case = 'lowercase'; |
| 345 |
$html_exclusion = []; |
| 346 |
$exclude_class = ''; |
| 347 |
$title_attribute = SimpleTags_Plugin::get_option_value( 'auto_link_title' ); |
| 348 |
$same_usage_max = SimpleTags_Plugin::get_option_value( 'auto_link_max_by_tag' ); |
| 349 |
$max_by_post = SimpleTags_Plugin::get_option_value( 'auto_link_max_by_post' ); |
| 350 |
$link_class = ''; |
| 351 |
} |
| 352 |
|
| 353 |
//auto link exclusion |
| 354 |
$exclusion = '[not(ancestor::a)]'; |
| 355 |
if(count($html_exclusion) > 0){ |
| 356 |
foreach($html_exclusion as $exclude_ancestor){ |
| 357 |
$exclusion .= '[not(ancestor::'.strtolower($exclude_ancestor).')]'; |
| 358 |
} |
| 359 |
} |
| 360 |
|
| 361 |
// Prepare exclude terms array |
| 362 |
$excludes_class = explode( ',', $exclude_class ); |
| 363 |
if ( !empty( $excludes_class ) ) { |
| 364 |
$excludes_class = array_filter( $excludes_class ); |
| 365 |
$excludes_class = array_unique( $excludes_class ); |
| 366 |
if(count($excludes_class) > 0){ |
| 367 |
foreach($excludes_class as $idclass ){ |
| 368 |
if(substr( trim($idclass), 0, 1 ) === "#"){ |
| 369 |
$div_id = ltrim(trim($idclass), "#"); |
| 370 |
$exclusion .= "[not(ancestor::div/@id='$div_id')]"; |
| 371 |
}else{ |
| 372 |
$div_class = ltrim(trim($idclass), "."); |
| 373 |
$exclusion .= "[not(ancestor::div/@class='$div_class')]"; |
| 374 |
} |
| 375 |
} |
| 376 |
} |
| 377 |
} |
| 378 |
|
| 379 |
|
| 380 |
$xpath = new DOMXPath( $dom ); |
| 381 |
$j = 0; |
| 382 |
$replaced_count = 0; |
| 383 |
foreach ( $xpath->query( '//text()'.$exclusion.'' ) as $node ) { |
| 384 |
|
| 385 |
$substitute = '<a href="' . $replace . '" class="st_tag internal_tag '.$link_class.'" ' . $rel . ' title="' . esc_attr( sprintf( $title_attribute, $search ) ) . "\">$search</a>"; |
| 386 |
$link_openeing = '<a href="' . $replace . '" class="st_tag internal_tag '.$link_class.'" ' . $rel . ' title="' . esc_attr( sprintf( $title_attribute, $search ) ) . "\">"; |
| 387 |
$link_closing = '</a>'; |
| 388 |
$upperterm = strtoupper($search); |
| 389 |
$lowerterm = strtolower($search); |
| 390 |
|
| 391 |
$remaining_usage = $max_by_post-self::$tagged_link_count; |
| 392 |
if( $same_usage_max > $remaining_usage){ |
| 393 |
$same_usage_max = $remaining_usage; |
| 394 |
} |
| 395 |
|
| 396 |
if($same_usage_max > 0 ){ |
| 397 |
if ( 'i' === $case ) { |
| 398 |
if($autolink_case === 'none'){//retain case |
| 399 |
$replaced = preg_replace('/(?<!\w)' . preg_quote($search, "/") . '(?!\w)/i', "$link_openeing$0$link_closing", $node->wholeText, $same_usage_max, $rep_count); |
| 400 |
}elseif($autolink_case === 'uppercase'){//uppercase |
| 401 |
$replaced = preg_replace('/(?<!\w)' . preg_quote($search, "/") . '(?!\w)/i', "$link_openeing$upperterm$link_closing", $node->wholeText, $same_usage_max, $rep_count); |
| 402 |
}elseif($autolink_case === 'termcase'){//termcase |
| 403 |
$replaced = preg_replace('/(?<!\w)' . preg_quote($search, "/") . '(?!\w)/i', "$link_openeing$search$link_closing", $node->wholeText, $same_usage_max, $rep_count); |
| 404 |
}else {//lowercase |
| 405 |
$replaced = preg_replace('/(?<!\w)' . preg_quote($search, "/") . '(?!\w)/i', "$link_openeing$lowerterm$link_closing", $node->wholeText, $same_usage_max, $rep_count); |
| 406 |
} |
| 407 |
} else { |
| 408 |
$replaced = str_replace( $search, $substitute, $node->wholeText ); |
| 409 |
} |
| 410 |
|
| 411 |
if($replaced && !empty(trim($replaced))){ |
| 412 |
$j ++; |
| 413 |
if($rep_count > 0){ |
| 414 |
$replaced_count = $replaced_count+$rep_count; |
| 415 |
self::$tagged_link_count = self::$tagged_link_count+$rep_count; |
| 416 |
} |
| 417 |
} |
| 418 |
$newNode = $dom->createDocumentFragment(); |
| 419 |
$newNode->appendXML( $replaced ); |
| 420 |
$node->parentNode->replaceChild( $newNode, $node ); |
| 421 |
if ( $replaced_count >= $same_usage_max || 0 === (int) $same_usage_max ) {// Limit replacement at 1 by default, or options value ! |
| 422 |
break; |
| 423 |
} |
| 424 |
}else{ |
| 425 |
break; |
| 426 |
} |
| 427 |
} |
| 428 |
|
| 429 |
// get only the body tag with its contents, then trim the body tag itself to get only the original content |
| 430 |
$content = mb_substr( $dom->saveHTML( $xpath->query( '//body' )->item( 0 ) ), 6, - 7, "UTF-8" ); |
| 431 |
$content = str_replace('|--|','&#',$content);//https://github.com/TaxoPress/TaxoPress/issues/824 |
| 432 |
$content = str_replace('<','<',$content); |
| 433 |
$content = str_replace('>','>',$content); |
| 434 |
foreach(taxopress_html_character_and_entity(true) as $enity => $code){ |
| 435 |
$content = str_replace($enity, $code,$content); |
| 436 |
} |
| 437 |
$content = str_replace('&','&',$content); //https://github.com/TaxoPress/TaxoPress/issues/770 |
| 438 |
$content = str_replace(';amp;',';',$content); //https://github.com/TaxoPress/TaxoPress/issues/810 |
| 439 |
|
| 440 |
} |
| 441 |
|
| 442 |
/** |
| 443 |
* Replace text by link, except HTML tag, and already text into link, use PregEXP. |
| 444 |
* |
| 445 |
* @param string $content |
| 446 |
* @param string $search |
| 447 |
* @param string $replace |
| 448 |
* @param string $case |
| 449 |
* @param string $rel |
| 450 |
*/ |
| 451 |
private static function replace_by_links_regexp( &$content, $search = '', $replace = '', $case = '', $rel = '', $options = false ) { |
| 452 |
|
| 453 |
if($options){ |
| 454 |
$autolink_case = $options['autolink_case']; |
| 455 |
$html_exclusion = $options['html_exclusion']; |
| 456 |
$exclude_class = $options['autolink_exclude_class']; |
| 457 |
$title_attribute = $options['autolink_title_attribute']; |
| 458 |
$same_usage_max = $options['autolink_same_usage_max']; |
| 459 |
$max_by_post = $options['autolink_usage_max']; |
| 460 |
$link_class = isset($options['link_class']) ? taxopress_format_class($options['link_class']) : ''; |
| 461 |
}else{ |
| 462 |
$autolink_case = 'lowercase'; |
| 463 |
$html_exclusion = []; |
| 464 |
$exclude_class = ''; |
| 465 |
$title_attribute = SimpleTags_Plugin::get_option_value( 'auto_link_title' ); |
| 466 |
$same_usage_max = SimpleTags_Plugin::get_option_value( 'auto_link_max_by_tag' ); |
| 467 |
$max_by_post = SimpleTags_Plugin::get_option_value( 'auto_link_max_by_post' ); |
| 468 |
$link_class = ''; |
| 469 |
} |
| 470 |
|
| 471 |
$must_tokenize = true; // will perform basic tokenization |
| 472 |
$tokens = null; // two kinds of tokens: markup and text |
| 473 |
|
| 474 |
$j = 0; |
| 475 |
$filtered = ''; // will filter text token by token |
| 476 |
|
| 477 |
$match = '/(\PL|\A)(' . preg_quote( $search, '/' ) . ')(\PL|\Z)\b/u' . $case; |
| 478 |
$substitute = '$1<a href="' . $replace . '" class="st_tag internal_tag '.$link_class.'" ' . $rel . ' title="' . esc_attr( sprintf( $title_attribute, $search ) ) . "\">$2</a>$3"; |
| 479 |
|
| 480 |
//$match = "/\b" . preg_quote($search, "/") . "\b/".$case; |
| 481 |
//$substitute = '<a href="'.$replace.'" class="st_tag internal_tag '.$link_class.'" '.$rel.' title="'. esc_attr( sprintf( __('Posts tagged with %s', 'simple-tags'), $search ) )."\">$0</a>"; |
| 482 |
// for efficiency only tokenize if forced to do so |
| 483 |
if ( $must_tokenize ) { |
| 484 |
// this regexp is taken from PHP Markdown by Michel Fortin: http://www.michelf.com/projects/php-markdown/ |
| 485 |
$comment = '(?s:<!(?:--.*?--\s*)+>)|'; |
| 486 |
$processing_instruction = '(?s:<\?.*?\?>)|'; |
| 487 |
$tag = '(?:<[/!$]?[-a-zA-Z0-9:]+\b(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*>)'; |
| 488 |
|
| 489 |
$markup = $comment . $processing_instruction . $tag; |
| 490 |
$flags = PREG_SPLIT_DELIM_CAPTURE; |
| 491 |
$tokens = preg_split( "{($markup)}", $content, - 1, $flags ); |
| 492 |
$must_tokenize = false; |
| 493 |
|
| 494 |
} |
| 495 |
|
| 496 |
// there should always be at least one token, but check just in case |
| 497 |
$anchor_level = 0; |
| 498 |
|
| 499 |
if ( isset( $tokens ) && is_array( $tokens ) && count( $tokens ) > 0 ) { |
| 500 |
$i = 0; |
| 501 |
$ancestor = ''; |
| 502 |
foreach ( $tokens as $token ) { |
| 503 |
if ( ++ $i % 2 && $token !== '' ) |
| 504 |
{ // this token is (non-markup) text |
| 505 |
|
| 506 |
|
| 507 |
$pass_check = true; |
| 508 |
|
| 509 |
if(!empty(trim($ancestor))){ |
| 510 |
|
| 511 |
//auto link exclusion |
| 512 |
if(count($html_exclusion) > 0){ |
| 513 |
foreach($html_exclusion as $exclude_ancestor){ |
| 514 |
if(taxopress_starts_with( $ancestor, '<'.strtolower($exclude_ancestor).'' )){ |
| 515 |
$pass_check = false; |
| 516 |
break; |
| 517 |
} |
| 518 |
} |
| 519 |
} |
| 520 |
|
| 521 |
|
| 522 |
// Prepare exclude terms array |
| 523 |
$excludes_class = explode( ',', $exclude_class ); |
| 524 |
if ( !empty( $excludes_class ) ) { |
| 525 |
$excludes_class = array_filter( $excludes_class ); |
| 526 |
$excludes_class = array_unique( $excludes_class ); |
| 527 |
if(count($excludes_class) > 0){ |
| 528 |
foreach($excludes_class as $idclass ){ |
| 529 |
if(substr( trim($idclass), 0, 1 ) === "#"){ |
| 530 |
$div_id = ltrim(trim($idclass), "#"); |
| 531 |
if ( preg_match_all('/<[a-z \'"]*id="'.$div_id.'"/i', $ancestor, $matches) || preg_match_all('/<[a-z \'"]*id=\''.$div_id.'\'/i', $ancestor, $matches)) { |
| 532 |
$pass_check = false; |
| 533 |
break; |
| 534 |
} |
| 535 |
}else{ |
| 536 |
$div_class = ltrim(trim($idclass), "."); |
| 537 |
if ( preg_match_all('/<[a-z ]*class="'.$div_class.'"/i', $ancestor, $matches) || preg_match_all('/<[a-z ]*class=\''.$div_class.'\'/i', $ancestor, $matches)) { |
| 538 |
$pass_check = false; |
| 539 |
break; |
| 540 |
} |
| 541 |
} |
| 542 |
} |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
|
| 547 |
} |
| 548 |
if ( $anchor_level === 0 && $pass_check ) { // linkify if not inside anchor tags |
| 549 |
if ( preg_match( $match, $token ) ) { // use preg_match for compatibility with PHP 4 |
| 550 |
$j ++; |
| 551 |
|
| 552 |
|
| 553 |
$remaining_usage = $max_by_post-self::$tagged_link_count; |
| 554 |
if( $same_usage_max > $remaining_usage){ |
| 555 |
$same_usage_max = $remaining_usage; |
| 556 |
} |
| 557 |
|
| 558 |
|
| 559 |
if ( $same_usage_max > 0 ) {// Limit replacement at 1 by default, or options value ! |
| 560 |
$token = preg_replace( $match, $substitute, $token, $same_usage_max, $rep_count ); // only PHP 5 supports calling preg_replace with 5 arguments |
| 561 |
self::$tagged_link_count = self::$tagged_link_count+$rep_count; |
| 562 |
} |
| 563 |
$must_tokenize = true; // re-tokenize next time around |
| 564 |
} |
| 565 |
} |
| 566 |
} else { // this token is markup |
| 567 |
if ( preg_match( "#<\s*a\s+[^>]*>#i", $token ) ) { // found <a ...> |
| 568 |
$ancestor = $token; |
| 569 |
$anchor_level ++; |
| 570 |
} elseif ( preg_match( "#<\s*/\s*a\s*>#i", $token ) ) { // found </a> |
| 571 |
$anchor_level --; |
| 572 |
}elseif(taxopress_starts_with( $token, "</" )){ |
| 573 |
$ancestor = ''; |
| 574 |
}else{ |
| 575 |
$ancestor = $token; |
| 576 |
} |
| 577 |
} |
| 578 |
$filtered .= $token; // this token has now been filtered |
| 579 |
} |
| 580 |
$content = $filtered; // filtering completed for this link |
| 581 |
} |
| 582 |
} |
| 583 |
|
| 584 |
/** |
| 585 |
* Replace text of title by link to tag |
| 586 |
* |
| 587 |
* @param string $content |
| 588 |
* |
| 589 |
* @return string |
| 590 |
*/ |
| 591 |
public static function the_title( $title = '' ) { |
| 592 |
global $post; |
| 593 |
|
| 594 |
if ( 0 === (int) SimpleTags_Plugin::get_option_value( 'auto_link_title_excl' ) ) { |
| 595 |
return $title; |
| 596 |
} |
| 597 |
|
| 598 |
// Show only on singular view ? Check context |
| 599 |
if ( 'singular' === SimpleTags_Plugin::get_option_value( 'auto_link_views' ) && ! is_singular() ) { |
| 600 |
return $title; |
| 601 |
} |
| 602 |
|
| 603 |
// Show only on single view ? Check context |
| 604 |
if ( 'single' === SimpleTags_Plugin::get_option_value( 'auto_link_views' ) && ! is_single() ) { |
| 605 |
return $title; |
| 606 |
} |
| 607 |
|
| 608 |
// user preference for this post ? |
| 609 |
$meta_value = get_post_meta( $post->ID, '_exclude_autolinks', true ); |
| 610 |
if ( ! empty( $meta_value ) || is_admin() ) { |
| 611 |
return $title; |
| 612 |
} |
| 613 |
|
| 614 |
// Get currents tags if no exists |
| 615 |
self::prepare_auto_link_tags(); |
| 616 |
|
| 617 |
// Shuffle array |
| 618 |
SimpleTags_Client::random_array( self::$link_tags ); |
| 619 |
|
| 620 |
// HTML Rel (tag/no-follow) |
| 621 |
$rel = SimpleTags_Client::get_rel_attribut(); |
| 622 |
|
| 623 |
// only continue if the database actually returned any links |
| 624 |
if ( ! isset( self::$link_tags ) || ! is_array( self::$link_tags ) || empty( self::$link_tags ) ) { |
| 625 |
return $title; |
| 626 |
} |
| 627 |
|
| 628 |
// Case option ? |
| 629 |
$case = ( 1 === (int) SimpleTags_Plugin::get_option_value( 'auto_link_case' ) ) ? 'i' : ''; |
| 630 |
$strpos_fnc = ( 'i' === $case ) ? 'stripos' : 'strpos'; |
| 631 |
|
| 632 |
// Prepare exclude terms array |
| 633 |
$excludes_terms = explode( ',', SimpleTags_Plugin::get_option_value( 'auto_link_exclude' ) ); |
| 634 |
if ( empty( $excludes_terms ) ) { |
| 635 |
$excludes_terms = array(); |
| 636 |
} else { |
| 637 |
$excludes_terms = array_filter( $excludes_terms, '_delete_empty_element' ); |
| 638 |
$excludes_terms = array_unique( $excludes_terms ); |
| 639 |
} |
| 640 |
|
| 641 |
|
| 642 |
$z = 0; |
| 643 |
foreach ( (array) self::$link_tags as $term_name => $term_link ) { |
| 644 |
// Force string for tags "number" |
| 645 |
$term_name = (string) $term_name; |
| 646 |
|
| 647 |
// Exclude terms ? next... |
| 648 |
if ( in_array( $term_name, (array) $excludes_terms, true ) ) { |
| 649 |
continue; |
| 650 |
} |
| 651 |
|
| 652 |
// Make a first test with PHP function, economize CPU with regexp |
| 653 |
if ( false === $strpos_fnc( $title, $term_name ) ) { |
| 654 |
continue; |
| 655 |
} |
| 656 |
|
| 657 |
if ( 1 === (int) SimpleTags_Plugin::get_option_value( 'auto_link_dom' ) && class_exists( 'DOMDocument' ) && class_exists( 'DOMXPath' ) ) { |
| 658 |
self::replace_by_links_dom( $title, $term_name, $term_link, $case, $rel ); |
| 659 |
} else { |
| 660 |
self::replace_by_links_regexp( $title, $term_name, $term_link, $case, $rel ); |
| 661 |
} |
| 662 |
|
| 663 |
$z ++; |
| 664 |
|
| 665 |
if ( $z > (int) SimpleTags_Plugin::get_option_value( 'auto_link_max_by_post' ) ) { |
| 666 |
break; |
| 667 |
} |
| 668 |
} |
| 669 |
|
| 670 |
return $title; |
| 671 |
} |
| 672 |
|
| 673 |
|
| 674 |
/** |
| 675 |
* Replace text by link to tag |
| 676 |
* |
| 677 |
* @param string $content |
| 678 |
* |
| 679 |
* @return string |
| 680 |
*/ |
| 681 |
public static function taxopress_autolinks_the_content( $content = '' ) { |
| 682 |
global $post; |
| 683 |
|
| 684 |
|
| 685 |
if(!is_object($post) || is_admin() ){ |
| 686 |
return $content; |
| 687 |
} |
| 688 |
|
| 689 |
$post_tags = taxopress_get_autolink_data(); |
| 690 |
|
| 691 |
|
| 692 |
// user preference for this post ? |
| 693 |
$meta_value = get_post_meta( $post->ID, '_exclude_autolinks', true ); |
| 694 |
if ( ! empty( $meta_value ) ) { |
| 695 |
return $content; |
| 696 |
} |
| 697 |
|
| 698 |
if (count($post_tags) > 0) { |
| 699 |
|
| 700 |
foreach ($post_tags as $post_tag) { |
| 701 |
|
| 702 |
// Get option |
| 703 |
$embedded = (isset($post_tag['embedded']) && is_array($post_tag['embedded']) && count($post_tag['embedded']) > 0) ? $post_tag['embedded'] : false; |
| 704 |
|
| 705 |
if (!$embedded) { |
| 706 |
continue; |
| 707 |
} |
| 708 |
|
| 709 |
if (!in_array($post->post_type, $embedded )) { |
| 710 |
continue; |
| 711 |
} |
| 712 |
|
| 713 |
if ($post_tag['autolink_display'] === 'post_title') { |
| 714 |
continue; |
| 715 |
} |
| 716 |
|
| 717 |
//reset added article link count |
| 718 |
self::$tagged_link_count = 0; |
| 719 |
//reset tags just in case |
| 720 |
self::$link_tags = []; |
| 721 |
// Get currents tags if no exists |
| 722 |
self::prepare_auto_link_tags($post_tag); |
| 723 |
|
| 724 |
// Shuffle array |
| 725 |
SimpleTags_Client::random_array( self::$link_tags ); |
| 726 |
|
| 727 |
// HTML Rel (tag/no-follow) |
| 728 |
$rel = SimpleTags_Client::get_rel_attribut(); |
| 729 |
|
| 730 |
// only continue if the database actually returned any links |
| 731 |
if ( ! isset( self::$link_tags ) || ! is_array( self::$link_tags ) || empty( self::$link_tags ) ) { |
| 732 |
$can_continue = false; |
| 733 |
}else{ |
| 734 |
$can_continue = true; |
| 735 |
} |
| 736 |
|
| 737 |
if( $can_continue ){ |
| 738 |
|
| 739 |
// Case option ? |
| 740 |
$case = ( 1 === (int) $post_tag['ignore_case'] ) ? 'i' : ''; |
| 741 |
$strpos_fnc = ( 'i' === $case ) ? 'stripos' : 'strpos'; |
| 742 |
|
| 743 |
// Prepare exclude terms array |
| 744 |
$excludes_terms = explode( ',', $post_tag['auto_link_exclude'] ); |
| 745 |
if ( empty( $excludes_terms ) ) { |
| 746 |
$excludes_terms = array(); |
| 747 |
} else { |
| 748 |
$excludes_terms = array_filter( $excludes_terms, '_delete_empty_element' ); |
| 749 |
$excludes_terms = array_unique( $excludes_terms ); |
| 750 |
} |
| 751 |
|
| 752 |
$z = 0; |
| 753 |
foreach ( (array) self::$link_tags as $term_name => $term_link ) { |
| 754 |
$z ++; |
| 755 |
// Force string for tags "number" |
| 756 |
$term_name = (string) $term_name; |
| 757 |
|
| 758 |
// Exclude terms ? next... |
| 759 |
if ( in_array( $term_name, (array) $excludes_terms, true ) ) { |
| 760 |
continue; |
| 761 |
} |
| 762 |
|
| 763 |
// Make a first test with PHP function, economize CPU with regexp |
| 764 |
if ( false === $strpos_fnc( $content, $term_name ) ) { |
| 765 |
continue; |
| 766 |
} |
| 767 |
|
| 768 |
if ( 1 === (int) $post_tag['autolink_dom'] && class_exists( 'DOMDocument' ) && class_exists( 'DOMXPath' ) ) { |
| 769 |
self::replace_by_links_dom( $content, $term_name, $term_link, $case, $rel, $post_tag ); |
| 770 |
}else if ( class_exists( 'DOMDocument' ) && class_exists( 'DOMXPath' ) ) {//force php dom if class exist for optimization purpose |
| 771 |
self::replace_by_links_dom( $content, $term_name, $term_link, $case, $rel, $post_tag ); |
| 772 |
} else { |
| 773 |
self::replace_by_links_regexp( $content, $term_name, $term_link, $case, $rel, $post_tag ); |
| 774 |
} |
| 775 |
if ( self::$tagged_link_count >= (int) $post_tag['autolink_usage_max'] ) { |
| 776 |
break; |
| 777 |
} |
| 778 |
} |
| 779 |
} |
| 780 |
} |
| 781 |
|
| 782 |
} |
| 783 |
|
| 784 |
return $content; |
| 785 |
} |
| 786 |
|
| 787 |
|
| 788 |
|
| 789 |
|
| 790 |
/** |
| 791 |
* Replace text by link to tag |
| 792 |
* |
| 793 |
* @param string $title |
| 794 |
* |
| 795 |
* @return string |
| 796 |
*/ |
| 797 |
public static function taxopress_autolinks_the_title( $title = '' ) { |
| 798 |
global $post; |
| 799 |
|
| 800 |
if(!is_object($post) || is_admin() ){ |
| 801 |
return $title; |
| 802 |
} |
| 803 |
|
| 804 |
$post_tags = taxopress_get_autolink_data(); |
| 805 |
|
| 806 |
|
| 807 |
// user preference for this post ? |
| 808 |
$meta_value = get_post_meta( $post->ID, '_exclude_autolinks', true ); |
| 809 |
if ( ! empty( $meta_value ) ) { |
| 810 |
return $title; |
| 811 |
} |
| 812 |
|
| 813 |
if (count($post_tags) > 0) { |
| 814 |
|
| 815 |
foreach ($post_tags as $post_tag) { |
| 816 |
|
| 817 |
// Get option |
| 818 |
$embedded = (isset($post_tag['embedded']) && is_array($post_tag['embedded']) && count($post_tag['embedded']) > 0) ? $post_tag['embedded'] : false; |
| 819 |
|
| 820 |
if (!$embedded) { |
| 821 |
continue; |
| 822 |
} |
| 823 |
|
| 824 |
if (!in_array($post->post_type, $embedded )) { |
| 825 |
continue; |
| 826 |
} |
| 827 |
|
| 828 |
if ($post_tag['autolink_display'] === 'post_content') { |
| 829 |
continue; |
| 830 |
} |
| 831 |
//reset added article link count |
| 832 |
self::$tagged_link_count = 0; |
| 833 |
//reset tags just in case |
| 834 |
self::$link_tags = []; |
| 835 |
// Get currents tags if no exists |
| 836 |
self::prepare_auto_link_tags($post_tag); |
| 837 |
|
| 838 |
// Shuffle array |
| 839 |
SimpleTags_Client::random_array( self::$link_tags ); |
| 840 |
|
| 841 |
// HTML Rel (tag/no-follow) |
| 842 |
$rel = SimpleTags_Client::get_rel_attribut(); |
| 843 |
|
| 844 |
// only continue if the database actually returned any links |
| 845 |
if ( ! isset( self::$link_tags ) || ! is_array( self::$link_tags ) || empty( self::$link_tags ) ) { |
| 846 |
$can_continue = false; |
| 847 |
}else{ |
| 848 |
$can_continue = true; |
| 849 |
} |
| 850 |
|
| 851 |
if( $can_continue ){ |
| 852 |
|
| 853 |
// Case option ? |
| 854 |
$case = ( 1 === (int) $post_tag['ignore_case'] ) ? 'i' : ''; |
| 855 |
$strpos_fnc = ( 'i' === $case ) ? 'stripos' : 'strpos'; |
| 856 |
|
| 857 |
// Prepare exclude terms array |
| 858 |
$excludes_terms = explode( ',', $post_tag['auto_link_exclude'] ); |
| 859 |
if ( empty( $excludes_terms ) ) { |
| 860 |
$excludes_terms = array(); |
| 861 |
} else { |
| 862 |
$excludes_terms = array_filter( $excludes_terms, '_delete_empty_element' ); |
| 863 |
$excludes_terms = array_unique( $excludes_terms ); |
| 864 |
} |
| 865 |
|
| 866 |
$z = 0; |
| 867 |
foreach ( (array) self::$link_tags as $term_name => $term_link ) { |
| 868 |
$z ++; |
| 869 |
// Force string for tags "number" |
| 870 |
$term_name = (string) $term_name; |
| 871 |
|
| 872 |
// Exclude terms ? next... |
| 873 |
if ( in_array( $term_name, (array) $excludes_terms, true ) ) { |
| 874 |
continue; |
| 875 |
} |
| 876 |
|
| 877 |
// Make a first test with PHP function, economize CPU with regexp |
| 878 |
if ( false === $strpos_fnc( $title, $term_name ) ) { |
| 879 |
continue; |
| 880 |
} |
| 881 |
|
| 882 |
if ( 1 === (int) $post_tag['autolink_dom'] && class_exists( 'DOMDocument' ) && class_exists( 'DOMXPath' ) ) { |
| 883 |
self::replace_by_links_dom( $title, $term_name, $term_link, $case, $rel, $post_tag ); |
| 884 |
}else if ( class_exists( 'DOMDocument' ) && class_exists( 'DOMXPath' ) ) {//force php dom if class exist for optimization purpose |
| 885 |
self::replace_by_links_dom( $title, $term_name, $term_link, $case, $rel, $post_tag ); |
| 886 |
} else { |
| 887 |
self::replace_by_links_regexp( $title, $term_name, $term_link, $case, $rel, $post_tag ); |
| 888 |
} |
| 889 |
|
| 890 |
if ( self::$tagged_link_count >= (int) $post_tag['autolink_usage_max'] ) { |
| 891 |
break; |
| 892 |
} |
| 893 |
} |
| 894 |
} |
| 895 |
} |
| 896 |
|
| 897 |
} |
| 898 |
|
| 899 |
|
| 900 |
return $title; |
| 901 |
} |
| 902 |
|
| 903 |
} |
| 904 |
|
