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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) 2004-2009, Ryan Parman, Geoffrey 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 * @version 1.3-dev
37 * @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue
38 * @author Ryan Parman
39 * @author Geoffrey Sneddon
40 * @author Ryan McCue
41 * @link http://simplepie.org/ SimplePie
42 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43 * @todo phpDoc comments
44 */
45
46
47class SimplePie_Source
48{
49 var $item;
50 var $data = array();
51
52 public function __construct($item, $data)
53 {
54 $this->item = $item;
55 $this->data = $data;
56 }
57
58 public function __toString()
59 {
60 return md5(serialize($this->data));
61 }
62
63 public function get_source_tags($namespace, $tag)
64 {
65 if (isset($this->data['child'][$namespace][$tag]))
66 {
67 return $this->data['child'][$namespace][$tag];
68 }
69 else
70 {
71 return null;
72 }
73 }
74
75 public function get_base($element = array())
76 {
77 return $this->item->get_base($element);
78 }
79
80 public function sanitize($data, $type, $base = '')
81 {
82 return $this->item->sanitize($data, $type, $base);
83 }
84
85 public function get_item()
86 {
87 return $this->item;
88 }
89
90 public function get_title()
91 {
92 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
93 {
94 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
95 }
96 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
97 {
98 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
99 }
100 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
101 {
102 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
103 }
104 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
105 {
106 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
107 }
108 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
109 {
110 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
111 }
112 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
113 {
114 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
115 }
116 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
117 {
118 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
119 }
120 else
121 {
122 return null;
123 }
124 }
125
126 public function get_category($key = 0)
127 {
128 $categories = $this->get_categories();
129 if (isset($categories[$key]))
130 {
131 return $categories[$key];
132 }
133 else
134 {
135 return null;
136 }
137 }
138
139 public function get_categories()
140 {
141 $categories = array();
142
143 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
144 {
145 $term = null;
146 $scheme = null;
147 $label = null;
148 if (isset($category['attribs']['']['term']))
149 {
150 $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
151 }
152 if (isset($category['attribs']['']['scheme']))
153 {
154 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
155 }
156 if (isset($category['attribs']['']['label']))
157 {
158 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
159 }
160 $categories[] = new $this->item->feed->category_class($term, $scheme, $label);
161 }
162 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
163 {
164 // This is really the label, but keep this as the term also for BC.
165 // Label will also work on retrieving because that falls back to term.
166 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
167 if (isset($category['attribs']['']['domain']))
168 {
169 $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
170 }
171 else
172 {
173 $scheme = null;
174 }
175 $categories[] = new $this->item->feed->category_class($term, $scheme, null);
176 }
177 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
178 {
179 $categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
180 }
181 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
182 {
183 $categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
184 }
185
186 if (!empty($categories))
187 {
188 return SimplePie_Misc::array_unique($categories);
189 }
190 else
191 {
192 return null;
193 }
194 }
195
196 public function get_author($key = 0)
197 {
198 $authors = $this->get_authors();
199 if (isset($authors[$key]))
200 {
201 return $authors[$key];
202 }
203 else
204 {
205 return null;
206 }
207 }
208
209 public function get_authors()
210 {
211 $authors = array();
212 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
213 {
214 $name = null;
215 $uri = null;
216 $email = null;
217 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
218 {
219 $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
220 }
221 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
222 {
223 $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]));
224 }
225 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
226 {
227 $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
228 }
229 if ($name !== null || $email !== null || $uri !== null)
230 {
231 $authors[] = new $this->item->feed->author_class($name, $uri, $email);
232 }
233 }
234 if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
235 {
236 $name = null;
237 $url = null;
238 $email = null;
239 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
240 {
241 $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
242 }
243 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
244 {
245 $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]));
246 }
247 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
248 {
249 $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
250 }
251 if ($name !== null || $email !== null || $url !== null)
252 {
253 $authors[] = new $this->item->feed->author_class($name, $url, $email);
254 }
255 }
256 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
257 {
258 $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
259 }
260 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
261 {
262 $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
263 }
264 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
265 {
266 $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
267 }
268
269 if (!empty($authors))
270 {
271 return SimplePie_Misc::array_unique($authors);
272 }
273 else
274 {
275 return null;
276 }
277 }
278
279 public function get_contributor($key = 0)
280 {
281 $contributors = $this->get_contributors();
282 if (isset($contributors[$key]))
283 {
284 return $contributors[$key];
285 }
286 else
287 {
288 return null;
289 }
290 }
291
292 public function get_contributors()
293 {
294 $contributors = array();
295 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
296 {
297 $name = null;
298 $uri = null;
299 $email = null;
300 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
301 {
302 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
303 }
304 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
305 {
306 $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]));
307 }
308 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
309 {
310 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
311 }
312 if ($name !== null || $email !== null || $uri !== null)
313 {
314 $contributors[] = new $this->item->feed->author_class($name, $uri, $email);
315 }
316 }
317 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
318 {
319 $name = null;
320 $url = null;
321 $email = null;
322 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
323 {
324 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
325 }
326 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
327 {
328 $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]));
329 }
330 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
331 {
332 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
333 }
334 if ($name !== null || $email !== null || $url !== null)
335 {
336 $contributors[] = new $this->item->feed->author_class($name, $url, $email);
337 }
338 }
339
340 if (!empty($contributors))
341 {
342 return SimplePie_Misc::array_unique($contributors);
343 }
344 else
345 {
346 return null;
347 }
348 }
349
350 public function get_link($key = 0, $rel = 'alternate')
351 {
352 $links = $this->get_links($rel);
353 if (isset($links[$key]))
354 {
355 return $links[$key];
356 }
357 else
358 {
359 return null;
360 }
361 }
362
363 /**
364 * Added for parity between the parent-level and the item/entry-level.
365 */
366 public function get_permalink()
367 {
368 return $this->get_link(0);
369 }
370
371 public function get_links($rel = 'alternate')
372 {
373 if (!isset($this->data['links']))
374 {
375 $this->data['links'] = array();
376 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
377 {
378 foreach ($links as $link)
379 {
380 if (isset($link['attribs']['']['href']))
381 {
382 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
383 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
384 }
385 }
386 }
387 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
388 {
389 foreach ($links as $link)
390 {
391 if (isset($link['attribs']['']['href']))
392 {
393 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
394 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
395
396 }
397 }
398 }
399 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
400 {
401 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
402 }
403 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
404 {
405 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
406 }
407 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
408 {
409 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
410 }
411
412 $keys = array_keys($this->data['links']);
413 foreach ($keys as $key)
414 {
415 if (SimplePie_Misc::is_isegment_nz_nc($key))
416 {
417 if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
418 {
419 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
420 $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
421 }
422 else
423 {
424 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
425 }
426 }
427 elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
428 {
429 $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
430 }
431 $this->data['links'][$key] = array_unique($this->data['links'][$key]);
432 }
433 }
434
435 if (isset($this->data['links'][$rel]))
436 {
437 return $this->data['links'][$rel];
438 }
439 else
440 {
441 return null;
442 }
443 }
444
445 public function get_description()
446 {
447 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
448 {
449 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
450 }
451 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
452 {
453 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
454 }
455 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
456 {
457 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
458 }
459 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
460 {
461 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
462 }
463 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
464 {
465 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
466 }
467 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
468 {
469 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
470 }
471 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
472 {
473 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
474 }
475 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
476 {
477 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
478 }
479 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
480 {
481 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
482 }
483 else
484 {
485 return null;
486 }
487 }
488
489 public function get_copyright()
490 {
491 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
492 {
493 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
494 }
495 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
496 {
497 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
498 }
499 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
500 {
501 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
502 }
503 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
504 {
505 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
506 }
507 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
508 {
509 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
510 }
511 else
512 {
513 return null;
514 }
515 }
516
517 public function get_language()
518 {
519 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
520 {
521 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
522 }
523 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
524 {
525 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
526 }
527 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
528 {
529 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
530 }
531 elseif (isset($this->data['xml_lang']))
532 {
533 return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
534 }
535 else
536 {
537 return null;
538 }
539 }
540
541 public function get_latitude()
542 {
543 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
544 {
545 return (float) $return[0]['data'];
546 }
547 elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
548 {
549 return (float) $match[1];
550 }
551 else
552 {
553 return null;
554 }
555 }
556
557 public function get_longitude()
558 {
559 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
560 {
561 return (float) $return[0]['data'];
562 }
563 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
564 {
565 return (float) $return[0]['data'];
566 }
567 elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
568 {
569 return (float) $match[2];
570 }
571 else
572 {
573 return null;
574 }
575 }
576
577 public function get_image_url()
578 {
579 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
580 {
581 return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
582 }
583 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
584 {
585 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
586 }
587 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
588 {
589 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
590 }
591 else
592 {
593 return null;
594 }
595 }
596}
597
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 13:42:19 +0000