Source.php (20265B)
1 <?php 2 /** 3 * SimplePie 4 * 5 * A PHP-Based RSS and Atom Feed Framework. 6 * Takes the hard work out of managing a complete RSS/Atom solution. 7 * 8 * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without modification, are 12 * permitted provided that the following conditions are met: 13 * 14 * * Redistributions of source code must retain the above copyright notice, this list of 15 * conditions and the following disclaimer. 16 * 17 * * Redistributions in binary form must reproduce the above copyright notice, this list 18 * of conditions and the following disclaimer in the documentation and/or other materials 19 * provided with the distribution. 20 * 21 * * Neither the name of the SimplePie Team nor the names of its contributors may be used 22 * to endorse or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS 26 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS 28 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 * 35 * @package SimplePie 36 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue 37 * @author Ryan Parman 38 * @author Sam Sneddon 39 * @author Ryan McCue 40 * @link http://simplepie.org/ SimplePie 41 * @license http://www.opensource.org/licenses/bsd-license.php BSD License 42 */ 43 44 /** 45 * Handles `<atom:source>` 46 * 47 * Used by {@see SimplePie_Item::get_source()} 48 * 49 * This class can be overloaded with {@see SimplePie::set_source_class()} 50 * 51 * @package SimplePie 52 * @subpackage API 53 */ 54 class SimplePie_Source 55 { 56 var $item; 57 var $data = array(); 58 protected $registry; 59 60 public function __construct($item, $data) 61 { 62 $this->item = $item; 63 $this->data = $data; 64 } 65 66 public function set_registry(SimplePie_Registry $registry) 67 { 68 $this->registry = $registry; 69 } 70 71 public function __toString() 72 { 73 return md5(serialize($this->data)); 74 } 75 76 public function get_source_tags($namespace, $tag) 77 { 78 if (isset($this->data['child'][$namespace][$tag])) 79 { 80 return $this->data['child'][$namespace][$tag]; 81 } 82 83 return null; 84 } 85 86 public function get_base($element = array()) 87 { 88 return $this->item->get_base($element); 89 } 90 91 public function sanitize($data, $type, $base = '') 92 { 93 return $this->item->sanitize($data, $type, $base); 94 } 95 96 public function get_item() 97 { 98 return $this->item; 99 } 100 101 public function get_title() 102 { 103 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) 104 { 105 return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); 106 } 107 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) 108 { 109 return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); 110 } 111 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) 112 { 113 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); 114 } 115 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) 116 { 117 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); 118 } 119 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) 120 { 121 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); 122 } 123 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) 124 { 125 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 126 } 127 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) 128 { 129 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 130 } 131 132 return null; 133 } 134 135 public function get_category($key = 0) 136 { 137 $categories = $this->get_categories(); 138 if (isset($categories[$key])) 139 { 140 return $categories[$key]; 141 } 142 143 return null; 144 } 145 146 public function get_categories() 147 { 148 $categories = array(); 149 150 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) 151 { 152 $term = null; 153 $scheme = null; 154 $label = null; 155 if (isset($category['attribs']['']['term'])) 156 { 157 $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); 158 } 159 if (isset($category['attribs']['']['scheme'])) 160 { 161 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); 162 } 163 if (isset($category['attribs']['']['label'])) 164 { 165 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); 166 } 167 $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); 168 } 169 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) 170 { 171 // This is really the label, but keep this as the term also for BC. 172 // Label will also work on retrieving because that falls back to term. 173 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); 174 if (isset($category['attribs']['']['domain'])) 175 { 176 $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); 177 } 178 else 179 { 180 $scheme = null; 181 } 182 $categories[] = $this->registry->create('Category', array($term, $scheme, null)); 183 } 184 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) 185 { 186 $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); 187 } 188 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) 189 { 190 $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); 191 } 192 193 if (!empty($categories)) 194 { 195 return array_unique($categories); 196 } 197 198 return null; 199 } 200 201 public function get_author($key = 0) 202 { 203 $authors = $this->get_authors(); 204 if (isset($authors[$key])) 205 { 206 return $authors[$key]; 207 } 208 209 return null; 210 } 211 212 public function get_authors() 213 { 214 $authors = array(); 215 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) 216 { 217 $name = null; 218 $uri = null; 219 $email = null; 220 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) 221 { 222 $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 223 } 224 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) 225 { 226 $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); 227 } 228 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) 229 { 230 $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 231 } 232 if ($name !== null || $email !== null || $uri !== null) 233 { 234 $authors[] = $this->registry->create('Author', array($name, $uri, $email)); 235 } 236 } 237 if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) 238 { 239 $name = null; 240 $url = null; 241 $email = null; 242 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) 243 { 244 $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 245 } 246 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) 247 { 248 $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); 249 } 250 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) 251 { 252 $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 253 } 254 if ($name !== null || $email !== null || $url !== null) 255 { 256 $authors[] = $this->registry->create('Author', array($name, $url, $email)); 257 } 258 } 259 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) 260 { 261 $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); 262 } 263 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) 264 { 265 $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); 266 } 267 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) 268 { 269 $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); 270 } 271 272 if (!empty($authors)) 273 { 274 return array_unique($authors); 275 } 276 277 return null; 278 } 279 280 public function get_contributor($key = 0) 281 { 282 $contributors = $this->get_contributors(); 283 if (isset($contributors[$key])) 284 { 285 return $contributors[$key]; 286 } 287 288 return null; 289 } 290 291 public function get_contributors() 292 { 293 $contributors = array(); 294 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) 295 { 296 $name = null; 297 $uri = null; 298 $email = null; 299 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) 300 { 301 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 302 } 303 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) 304 { 305 $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); 306 } 307 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) 308 { 309 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 310 } 311 if ($name !== null || $email !== null || $uri !== null) 312 { 313 $contributors[] = $this->registry->create('Author', array($name, $uri, $email)); 314 } 315 } 316 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) 317 { 318 $name = null; 319 $url = null; 320 $email = null; 321 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) 322 { 323 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 324 } 325 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) 326 { 327 $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); 328 } 329 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) 330 { 331 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 332 } 333 if ($name !== null || $email !== null || $url !== null) 334 { 335 $contributors[] = $this->registry->create('Author', array($name, $url, $email)); 336 } 337 } 338 339 if (!empty($contributors)) 340 { 341 return array_unique($contributors); 342 } 343 344 return null; 345 } 346 347 public function get_link($key = 0, $rel = 'alternate') 348 { 349 $links = $this->get_links($rel); 350 if (isset($links[$key])) 351 { 352 return $links[$key]; 353 } 354 355 return null; 356 } 357 358 /** 359 * Added for parity between the parent-level and the item/entry-level. 360 */ 361 public function get_permalink() 362 { 363 return $this->get_link(0); 364 } 365 366 public function get_links($rel = 'alternate') 367 { 368 if (!isset($this->data['links'])) 369 { 370 $this->data['links'] = array(); 371 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link')) 372 { 373 foreach ($links as $link) 374 { 375 if (isset($link['attribs']['']['href'])) 376 { 377 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; 378 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); 379 } 380 } 381 } 382 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link')) 383 { 384 foreach ($links as $link) 385 { 386 if (isset($link['attribs']['']['href'])) 387 { 388 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; 389 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); 390 391 } 392 } 393 } 394 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) 395 { 396 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); 397 } 398 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) 399 { 400 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); 401 } 402 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) 403 { 404 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); 405 } 406 407 $keys = array_keys($this->data['links']); 408 foreach ($keys as $key) 409 { 410 if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key))) 411 { 412 if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) 413 { 414 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); 415 $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; 416 } 417 else 418 { 419 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; 420 } 421 } 422 elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) 423 { 424 $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; 425 } 426 $this->data['links'][$key] = array_unique($this->data['links'][$key]); 427 } 428 } 429 430 if (isset($this->data['links'][$rel])) 431 { 432 return $this->data['links'][$rel]; 433 } 434 435 return null; 436 } 437 438 public function get_description() 439 { 440 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle')) 441 { 442 return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); 443 } 444 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline')) 445 { 446 return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); 447 } 448 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) 449 { 450 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); 451 } 452 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) 453 { 454 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); 455 } 456 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) 457 { 458 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); 459 } 460 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) 461 { 462 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 463 } 464 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) 465 { 466 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 467 } 468 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) 469 { 470 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); 471 } 472 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) 473 { 474 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); 475 } 476 477 return null; 478 } 479 480 public function get_copyright() 481 { 482 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) 483 { 484 return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); 485 } 486 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) 487 { 488 return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); 489 } 490 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) 491 { 492 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 493 } 494 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) 495 { 496 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 497 } 498 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) 499 { 500 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 501 } 502 503 return null; 504 } 505 506 public function get_language() 507 { 508 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language')) 509 { 510 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 511 } 512 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language')) 513 { 514 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 515 } 516 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language')) 517 { 518 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); 519 } 520 elseif (isset($this->data['xml_lang'])) 521 { 522 return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); 523 } 524 525 return null; 526 } 527 528 public function get_latitude() 529 { 530 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) 531 { 532 return (float) $return[0]['data']; 533 } 534 elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) 535 { 536 return (float) $match[1]; 537 } 538 539 return null; 540 } 541 542 public function get_longitude() 543 { 544 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) 545 { 546 return (float) $return[0]['data']; 547 } 548 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) 549 { 550 return (float) $return[0]['data']; 551 } 552 elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) 553 { 554 return (float) $match[2]; 555 } 556 557 return null; 558 } 559 560 public function get_image_url() 561 { 562 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image')) 563 { 564 return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI); 565 } 566 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo')) 567 { 568 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); 569 } 570 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon')) 571 { 572 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); 573 } 574 575 return null; 576 } 577 }