application.php
1 month ago
document.php
1 month ago
object.php
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registry.php
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route.php
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version.php
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document.php
666 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package VikWP - Libraries |
| 4 | * @subpackage adapter.application |
| 5 | * @author E4J s.r.l. |
| 6 | * @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved. |
| 7 | * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
| 8 | * @link https://vikwp.com |
| 9 | */ |
| 10 | |
| 11 | // No direct access |
| 12 | defined('ABSPATH') or die('No script kiddies please!'); |
| 13 | |
| 14 | /** |
| 15 | * Document class, provides an easy interface to parse and display a document |
| 16 | * using the Joomla standard functions. |
| 17 | * |
| 18 | * @since 10.0 |
| 19 | */ |
| 20 | class JDocument |
| 21 | { |
| 22 | /** |
| 23 | * An array to cache the meta data set using this class. |
| 24 | * |
| 25 | * @var array |
| 26 | */ |
| 27 | protected $data = []; |
| 28 | |
| 29 | /** |
| 30 | * A list containing all the style declarations loaded. |
| 31 | * |
| 32 | * @var array |
| 33 | */ |
| 34 | protected $styleDeclarations = []; |
| 35 | |
| 36 | /** |
| 37 | * Array of scripts options. |
| 38 | * |
| 39 | * @var array |
| 40 | * @since 10.1.14 |
| 41 | */ |
| 42 | protected $scriptOptions = []; |
| 43 | |
| 44 | /** |
| 45 | * Array of scripts declarations to be |
| 46 | * appended after the body. |
| 47 | * |
| 48 | * @var array |
| 49 | * @since 10.1.29 |
| 50 | */ |
| 51 | protected $ajaxScripts = []; |
| 52 | |
| 53 | /** |
| 54 | * Adds the possibility to override the callback used to register |
| 55 | * something within the head. |
| 56 | * |
| 57 | * @param callable |
| 58 | * @since 10.1.51 |
| 59 | */ |
| 60 | public $attachToHeadCustomCallback = null; |
| 61 | |
| 62 | /** |
| 63 | * Sets a meta tag in the front-end only. |
| 64 | * |
| 65 | * @param string $name Name of the meta HTML tag. |
| 66 | * @param mixed $content Value of the meta HTML tag as array or string. |
| 67 | * @param string $attribute Attribute to use in the meta HTML tag. |
| 68 | * |
| 69 | * @return self This object to support chaining. |
| 70 | * |
| 71 | * @since 10.1.66 Robots are now treated differently. |
| 72 | * |
| 73 | * @uses attachToHead() |
| 74 | */ |
| 75 | public function setMetaData($name, $content, $attribute = 'name') |
| 76 | { |
| 77 | if ($name === 'robots') |
| 78 | { |
| 79 | add_filter('wp_robots', function($robots) use ($content) { |
| 80 | if (!$content) |
| 81 | { |
| 82 | return $robots; |
| 83 | } |
| 84 | |
| 85 | $robots = []; |
| 86 | |
| 87 | // obtain all the directives from the content (separated by a comma) |
| 88 | $directives = preg_split("/\s*,\s*/", $content); |
| 89 | |
| 90 | foreach ($directives as $directive) |
| 91 | { |
| 92 | // obtain key-val pairs (separated by a colon) |
| 93 | $directive = preg_split("/\s*:\s*/", $directive); |
| 94 | |
| 95 | $key = strtolower(array_shift($directive)); |
| 96 | |
| 97 | if (count($directive) == 0) |
| 98 | { |
| 99 | // attribute only, use true as value |
| 100 | $val = true; |
| 101 | } |
| 102 | else |
| 103 | { |
| 104 | $val = implode(':', $directive); |
| 105 | } |
| 106 | |
| 107 | $robots[$key] = $val; |
| 108 | } |
| 109 | |
| 110 | return $robots; |
| 111 | }); |
| 112 | } |
| 113 | else |
| 114 | { |
| 115 | $attribute = empty($attribute) || !is_string($attribute) ? 'name' : $attribute; |
| 116 | |
| 117 | if (is_scalar($content)) |
| 118 | { |
| 119 | $content = array($content); |
| 120 | } |
| 121 | |
| 122 | $this->attachToHead(function() use ($name, $content, $attribute) |
| 123 | { |
| 124 | foreach ($content as $cont) |
| 125 | { |
| 126 | echo "<meta {$attribute}=\"{$name}\" content=\"" . esc_attr($cont) . "\" />\n"; |
| 127 | } |
| 128 | }, true); |
| 129 | } |
| 130 | |
| 131 | $this->data[$name] = $content; |
| 132 | |
| 133 | return $this; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Gets a meta tag. |
| 138 | * Since Wordpress doesn't own a system to handle meta data, |
| 139 | * we can only return a cached version of the data set using this class. |
| 140 | * |
| 141 | * @param string $name Name of the meta HTML tag. |
| 142 | * |
| 143 | * @return string |
| 144 | */ |
| 145 | public function getMetaData($name) |
| 146 | { |
| 147 | if (isset($this->data[$name])) |
| 148 | { |
| 149 | return $this->data[$name]; |
| 150 | } |
| 151 | |
| 152 | return ''; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Sets the title of the document in the front-end only. |
| 157 | * |
| 158 | * @param string $title The title to be set. |
| 159 | * |
| 160 | * @return self This object to support chaining. |
| 161 | * |
| 162 | * @link https://developer.wordpress.org/reference/hooks/wp_title/ (Wordpress < 4.4) |
| 163 | * @link https://developer.wordpress.org/reference/functions/wp_get_document_title/ (Wordpress 4.4+) |
| 164 | */ |
| 165 | public function setTitle($title) |
| 166 | { |
| 167 | /** |
| 168 | * We should use the hook 'pre_get_document_title' (available from WP >= v4.4), |
| 169 | * instead of 'wp_title', or the title won't actually be set. |
| 170 | * |
| 171 | * @since 10.1.23 |
| 172 | */ |
| 173 | add_filter('pre_get_document_title', function() use ($title) |
| 174 | { |
| 175 | return $title; |
| 176 | }); |
| 177 | |
| 178 | return $this; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Return the title of the document. |
| 183 | * |
| 184 | * @return string |
| 185 | * |
| 186 | * @link https://developer.wordpress.org/reference/hooks/wp_title/ (Wordpress < 4.4) |
| 187 | * @link https://developer.wordpress.org/reference/functions/wp_get_document_title/ (Wordpress 4.4+) |
| 188 | */ |
| 189 | public function getTitle() |
| 190 | { |
| 191 | global $wp_version; |
| 192 | |
| 193 | if (version_compare($wp_version, '4.4', '>=')) |
| 194 | { |
| 195 | return wp_get_document_title(); |
| 196 | } |
| 197 | |
| 198 | return wp_title('»', false); |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * Sets the description of the document. |
| 203 | * |
| 204 | * @param string $desc The description to be set. |
| 205 | * |
| 206 | * @return self This object to support chaining. |
| 207 | * |
| 208 | * @uses setMetaData() |
| 209 | */ |
| 210 | public function setDescription($desc) |
| 211 | { |
| 212 | return $this->setMetaData('description', (string) $desc); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Return the description of the document. |
| 217 | * |
| 218 | * @return string |
| 219 | * |
| 220 | * @uses getMetaData() |
| 221 | */ |
| 222 | public function getDescription() |
| 223 | { |
| 224 | return $this->getMetaData('description'); |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Adds a linked script to the page. |
| 229 | * |
| 230 | * @param string $url URL to the linked script. |
| 231 | * @param array $options Array of options. Example: array('version' => 'auto', 'conditional' => 'lt IE 9') |
| 232 | * @param array $attribs Array of attributes. Example: array('id' => 'scriptid', 'async' => 'async', 'data-test' => 1) |
| 233 | * |
| 234 | * @return self This object to support chaining. |
| 235 | * |
| 236 | * @link https://developer.wordpress.org/reference/functions/wp_register_script/ |
| 237 | */ |
| 238 | public function addScript($url, $options = [], $attribs = []) |
| 239 | { |
| 240 | // check if the script should be loaded using WP native libs |
| 241 | $version = array_key_exists('version', $options) ? $options['version'] : null; |
| 242 | $footer = array_key_exists('footer', $options) ? (bool) $options['footer'] : false; |
| 243 | $id = empty($attribs['id']) ? md5($url) : $attribs['id']; |
| 244 | |
| 245 | /** |
| 246 | * Use filter to approve/deny the loading of the given script. |
| 247 | * |
| 248 | * @param boolean $load The recursive filtered value (default 'true'). |
| 249 | * @param string $url The resource URL. |
| 250 | * @param string $id The script ID attribute. |
| 251 | * @param string $version The script version, if specified. |
| 252 | * @param boolean $footer True whether the script is going to be loaded in the footer. |
| 253 | * |
| 254 | * @return boolean True to load the resource, false to ignore it. |
| 255 | * |
| 256 | * @since 10.1.25 |
| 257 | */ |
| 258 | $load = apply_filters('vik_before_include_script', true, $url, $id, $version, $footer); |
| 259 | |
| 260 | if ($load) |
| 261 | { |
| 262 | // make sure this is not an AJAX call |
| 263 | if (!wp_doing_ajax()) |
| 264 | { |
| 265 | // if the headers have been sent, the script must be registered in the footer. |
| 266 | if (headers_sent()) |
| 267 | { |
| 268 | $footer = true; |
| 269 | } |
| 270 | |
| 271 | // the default array of dependencies |
| 272 | $deps = [ |
| 273 | 'jquery-core', |
| 274 | 'jquery-ui-core', |
| 275 | ]; |
| 276 | |
| 277 | /** |
| 278 | * Added support to custom dependencies. |
| 279 | * |
| 280 | * @since 10.1.38 |
| 281 | */ |
| 282 | if (!empty($options['dependencies'])) |
| 283 | { |
| 284 | // join default dependencies with the given ones |
| 285 | $deps = array_merge($deps, (array) $options['dependencies']); |
| 286 | // get rid of duplicates |
| 287 | $deps = array_values(array_unique($deps)); |
| 288 | } |
| 289 | |
| 290 | // loads scripts always after jQuery Core (included by Wordpress) |
| 291 | wp_register_script($id, $url, $deps, $version, $footer); |
| 292 | wp_enqueue_script($id); |
| 293 | } |
| 294 | // since the footer is already printed, we need to each our script directly |
| 295 | else if ($url) |
| 296 | { |
| 297 | if ($version) |
| 298 | { |
| 299 | $url .= '?ver=' . $version; |
| 300 | } |
| 301 | |
| 302 | echo '<script type="text/javascript" src="' . $url . '"></script>'; |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | return $this; |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Adds a script to the page. |
| 311 | * |
| 312 | * @param string $content Script snippet. |
| 313 | * @param string $type Scripting mime (defaults to 'text/javascript'). |
| 314 | * |
| 315 | * @return self This object to support chaining. |
| 316 | * |
| 317 | * @uses attachToHead() |
| 318 | */ |
| 319 | public function addScriptDeclaration($content, $type = 'text/javascript') |
| 320 | { |
| 321 | /** |
| 322 | * Always use the script declaration without checking |
| 323 | * if it has been already loaded. |
| 324 | * |
| 325 | * @since 10.1.17 |
| 326 | */ |
| 327 | $this->attachToHead(function() use ($content, $type) |
| 328 | { |
| 329 | /** |
| 330 | * Use "joomla-options new" class in case we are attaching a JSON string. |
| 331 | * The "new" word means that the options has to be loaded. |
| 332 | * |
| 333 | * @since 10.1.14 |
| 334 | */ |
| 335 | $class = $type == 'application/json' ? ' class="joomla-options new"' : ''; |
| 336 | |
| 337 | echo "<script type=\"{$type}\"{$class}>\n{$content}\n</script>\n"; |
| 338 | }); |
| 339 | |
| 340 | return $this; |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Adds a linked stylesheet to the page. |
| 345 | * |
| 346 | * @param string $url URL to the linked style sheet. |
| 347 | * @param array $options Array of options. Example: array('version' => 'auto', 'conditional' => 'lt IE 9') |
| 348 | * @param array $attribs Array of attributes. Example: array('id' => 'stylesheet', 'data-test' => 1) |
| 349 | * |
| 350 | * @return self This object to support chaining. |
| 351 | * |
| 352 | * @link https://codex.wordpress.org/Function_Reference/wp_register_style |
| 353 | */ |
| 354 | public function addStyleSheet($url, $options = [], $attribs = []) |
| 355 | { |
| 356 | $version = array_key_exists('version', $options) ? $options['version'] : null; |
| 357 | $media = array_key_exists('media', $options) ? (string) $options['media'] : 'all'; |
| 358 | $id = empty($attribs['id']) ? md5($url) : $attribs['id']; |
| 359 | |
| 360 | /** |
| 361 | * Use filter to approve/deny the loading of the given stylesheet. |
| 362 | * |
| 363 | * @param boolean $load The recursive filtered value (default 'true'). |
| 364 | * @param string $url The resource URL. |
| 365 | * @param string $id The stylesheet ID attribute. |
| 366 | * @param string $version The stylesheet version, if specified. |
| 367 | * |
| 368 | * @return boolean True to load the resource, false to ignore it. |
| 369 | * |
| 370 | * @since 10.1.25 |
| 371 | */ |
| 372 | $load = apply_filters('vik_before_include_style', true, $url, $id, $version); |
| 373 | |
| 374 | if ($load) |
| 375 | { |
| 376 | // attach the style to the <head> only if the headers haven't been sent |
| 377 | // and if we are not doing an AJAX call |
| 378 | if (!headers_sent() && !wp_doing_ajax()) |
| 379 | { |
| 380 | $deps = []; |
| 381 | |
| 382 | /** |
| 383 | * Added support to custom dependencies. |
| 384 | * |
| 385 | * @since 10.1.38 |
| 386 | */ |
| 387 | if (!empty($options['dependencies'])) |
| 388 | { |
| 389 | // join default dependencies with the given ones |
| 390 | $deps = array_merge($deps, (array) $options['dependencies']); |
| 391 | // get rid of duplicates |
| 392 | $deps = array_values(array_unique($deps)); |
| 393 | } |
| 394 | |
| 395 | wp_register_style($id, $url, $deps, $version, $media); |
| 396 | wp_enqueue_style($id); |
| 397 | } |
| 398 | // otherwise print the style in the document <body> |
| 399 | else |
| 400 | { |
| 401 | if ($version) |
| 402 | { |
| 403 | $url .= '?ver=' . $version; |
| 404 | } |
| 405 | |
| 406 | echo '<link rel="stylesheet" id="' . $id . '" href="' . $url . '" type="text/css" media="' . $media . '">'; |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | return $this; |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Adds a stylesheet declaration to the page. |
| 415 | * |
| 416 | * @param string $content Style declaration. |
| 417 | * @param string $type Type of stylesheet (defaults to 'text/css'). |
| 418 | * |
| 419 | * @return self This object to support chaining. |
| 420 | * |
| 421 | * @uses attachToHead() |
| 422 | */ |
| 423 | public function addStyleDeclaration($content, $type = 'text/css') |
| 424 | { |
| 425 | if (!in_array($content, $this->styleDeclarations)) |
| 426 | { |
| 427 | $this->attachToHead(function() use ($content, $type) |
| 428 | { |
| 429 | echo "<style type=\"{$type}\">\n{$content}\n</style>\n"; |
| 430 | }); |
| 431 | |
| 432 | $this->styleDeclarations[] = $content; |
| 433 | } |
| 434 | |
| 435 | return $this; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Internal method execute a callback within the <head> tags. |
| 440 | * The callback will be attached to the wp_head or admin_head hooks |
| 441 | * depending on the section we are currently using. |
| 442 | * |
| 443 | * @param mixed $callback The callback or the function name to attach. |
| 444 | * @param boolean $frontOnly True to attach the method only in the front-end. |
| 445 | * |
| 446 | * @return void |
| 447 | * |
| 448 | * @link https://codex.wordpress.org/Plugin_API/Action_Reference/wp_head |
| 449 | * @link https://codex.wordpress.org/Plugin_API/Action_Reference/admin_head |
| 450 | * @link https://developer.wordpress.org/reference/hooks/wp_print_footer_scripts/ |
| 451 | * @link https://developer.wordpress.org/reference/hooks/admin_print_footer_scripts/ |
| 452 | */ |
| 453 | protected function attachToHead($callback, $frontOnly = false) |
| 454 | { |
| 455 | $app = JFactory::getApplication(); |
| 456 | |
| 457 | // make sure we are in the front-end or the back-end is allowed |
| 458 | if ($app->isSite() || !$frontOnly) |
| 459 | { |
| 460 | /** |
| 461 | * If provided, use the custom callback instead. |
| 462 | * |
| 463 | * @since 10.1.51 |
| 464 | */ |
| 465 | if (is_callable($this->attachToHeadCustomCallback)) |
| 466 | { |
| 467 | // invoke callback and teminate |
| 468 | return call_user_func_array($this->attachToHeadCustomCallback, [$callback]); |
| 469 | } |
| 470 | |
| 471 | // make sure we are not doing an AJAX call |
| 472 | if (!wp_doing_ajax()) |
| 473 | { |
| 474 | $head_hook = $app->isAdmin() ? 'admin_head' : 'wp_head'; |
| 475 | |
| 476 | // make sure that the head hook that we are using haven't been called yet, |
| 477 | // otherwise our script will never be executed |
| 478 | if (!headers_sent() && !did_action($head_hook)) |
| 479 | { |
| 480 | // admin_head hook for the back-end <head> |
| 481 | // wp_head hook for the front-end <head> |
| 482 | add_action($head_hook, $callback); |
| 483 | } |
| 484 | else |
| 485 | { |
| 486 | // admin_print_footer_scripts hook for the back-end <footer> |
| 487 | // wp_footer wp_print_footer_scripts for the front-end <footer> |
| 488 | add_action($app->isAdmin() ? 'admin_print_footer_scripts' : 'wp_print_footer_scripts', $callback); |
| 489 | |
| 490 | /** |
| 491 | * NOTE: do not use 'wp_footer' hook because it prints the script declarations |
| 492 | * always before the <script> tags, causing errors for missing resources. |
| 493 | */ |
| 494 | } |
| 495 | } |
| 496 | // we need to invoke our callback directly |
| 497 | else |
| 498 | { |
| 499 | // push scripts within the AJAX callbacks |
| 500 | $this->ajaxScripts[] = $callback; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * Returns the AJAX scripts that should be included after |
| 507 | * the body in order to properly access all the needed elements. |
| 508 | * |
| 509 | * @return string |
| 510 | * |
| 511 | * @since 10.1.29 |
| 512 | */ |
| 513 | public function getAjaxScripts() |
| 514 | { |
| 515 | // start buffering |
| 516 | ob_start(); |
| 517 | |
| 518 | // iterate registered scripts |
| 519 | foreach ($this->ajaxScripts as $callback) |
| 520 | { |
| 521 | // invoke the callback to print the script |
| 522 | call_user_func($callback); |
| 523 | } |
| 524 | |
| 525 | // catch buffer |
| 526 | $js = ob_get_contents(); |
| 527 | // clear buffer |
| 528 | ob_end_clean(); |
| 529 | |
| 530 | // empty list |
| 531 | $this->ajaxScripts = []; |
| 532 | |
| 533 | return $js; |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * Add options for script. |
| 538 | * |
| 539 | * @param string $key Name in Storage. |
| 540 | * @param mixed $options Scrip options as array or string. |
| 541 | * @param boolean $merge Whether merge with existing (true) or replace (false). |
| 542 | * |
| 543 | * @return self This object to support chaining. |
| 544 | * |
| 545 | * @since 10.1.14 |
| 546 | */ |
| 547 | public function addScriptOptions($key, $options, $merge = true) |
| 548 | { |
| 549 | if (empty($this->scriptOptions[$key])) |
| 550 | { |
| 551 | $this->scriptOptions[$key] = []; |
| 552 | } |
| 553 | |
| 554 | if ($merge && is_array($options)) |
| 555 | { |
| 556 | $this->scriptOptions[$key] = array_replace_recursive($this->scriptOptions[$key], $options); |
| 557 | } |
| 558 | else |
| 559 | { |
| 560 | $this->scriptOptions[$key] = $options; |
| 561 | } |
| 562 | |
| 563 | return $this; |
| 564 | } |
| 565 | |
| 566 | /** |
| 567 | * Get script(s) options. |
| 568 | * |
| 569 | * @param string $key Name in Storage. |
| 570 | * |
| 571 | * @return array Options for given $key, or all script options. |
| 572 | * |
| 573 | * @since 10.1.14 |
| 574 | */ |
| 575 | public function getScriptOptions($key = null) |
| 576 | { |
| 577 | if ($key) |
| 578 | { |
| 579 | return (empty($this->scriptOptions[$key])) ? [] : $this->scriptOptions[$key]; |
| 580 | } |
| 581 | else |
| 582 | { |
| 583 | return $this->scriptOptions; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | /** |
| 588 | * Returns the document charset encoding. |
| 589 | * |
| 590 | * @return string |
| 591 | * |
| 592 | * @since 10.1.20 |
| 593 | */ |
| 594 | public function getCharset() |
| 595 | { |
| 596 | $output = get_option('blog_charset'); |
| 597 | |
| 598 | if (!$output) |
| 599 | { |
| 600 | $output = 'UTF-8'; |
| 601 | } |
| 602 | |
| 603 | return $output; |
| 604 | } |
| 605 | |
| 606 | /** |
| 607 | * Returns the document language. |
| 608 | * |
| 609 | * @return string |
| 610 | * |
| 611 | * @since 10.1.20 |
| 612 | */ |
| 613 | public function getLanguage() |
| 614 | { |
| 615 | return strtolower(JFactory::getLanguage()->getTag()); |
| 616 | } |
| 617 | |
| 618 | /** |
| 619 | * Returns the document direction declaration. |
| 620 | * |
| 621 | * @return string |
| 622 | * |
| 623 | * @since 10.1.20 |
| 624 | */ |
| 625 | public function getDirection() |
| 626 | { |
| 627 | if (function_exists('is_rtl')) |
| 628 | { |
| 629 | $output = is_rtl() ? 'rtl' : 'ltr'; |
| 630 | } |
| 631 | else |
| 632 | { |
| 633 | $output = 'ltr'; |
| 634 | } |
| 635 | |
| 636 | return $output; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Adds `<link>` tags to the head of the document. |
| 641 | * |
| 642 | * $relType defaults to 'rel' as it is the most common relation type used |
| 643 | * ('rev' refers to reverse relation, 'rel' indicates normal, forward relation). |
| 644 | * Typical tag: `<link href="index.php" rel="Start">`. |
| 645 | * |
| 646 | * @param string $href The link that is being related. |
| 647 | * @param string $relation Relation of link. |
| 648 | * @param string $relType Relation type attribute. Either rel or rev (default: 'rel'). |
| 649 | * @param array $attribs Associative array of remaining attributes. |
| 650 | * |
| 651 | * @return self This object to support chaining. |
| 652 | * |
| 653 | * @since 10.1.48 |
| 654 | */ |
| 655 | public function addHeadLink(string $href, string $relation, string $relType = 'rel', array $attribs = []) |
| 656 | { |
| 657 | $this->attachToHead(function() use ($href, $relation, $relType, $attribs) |
| 658 | { |
| 659 | JLoader::import('adapter.utilities.array'); |
| 660 | echo "<link href=\"{$href}\" {$relType}=\"$relation\" " . ArrayHelper::toString($attribs) . " />\n"; |
| 661 | }); |
| 662 | |
| 663 | return $this; |
| 664 | } |
| 665 | } |
| 666 |