wpsso / lib / std / media / slideshare.php

slideshare.php in WPSSO Core – Complete Schema Markup and Meta Tags trunk, at lib/std/media/slideshare.php

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1	<?php
2	/*
3	* License: GPLv3
4	* License URI: https://www.gnu.org/licenses/gpl.txt
5	* Copyright 2012-2026 Jean-Sebastien Morisset (https://wpsso.com/)
6	*/
7
8	if ( ! defined( 'ABSPATH' ) ) {
9
10	die( 'These aren\'t the droids you\'re looking for.' );
11	}
12
13	if ( ! class_exists( 'WpssoStdMediaSlideshare' ) ) {
14
15	class WpssoStdMediaSlideshare {
16
17	private $p; // Wpsso class object.
18
19	public function __construct( &$plugin ) {
20
21	$this->p =& $plugin;
22
23	if ( $this->p->debug->enabled ) {
24
25	$this->p->debug->mark();
26	}
27
28	/*
29	* Filter priorities:
30	*
31	* 10 = Youtube Videos.
32	* 20 = Vimeo Videos.
33	* 30 = Wistia Videos.
34	* 40 = Slideshare Presentations.
35	* 60 = Facebook Videos.
36	* 80 = Soundcloud Tracks.
37	* 100 = WP Media Library Video Blocks.
38	* 110 = WP Media Library Video Shortcodes.
39	* 1000 = Gravatar Images.
40	*/
41	$this->p->util->add_plugin_filters( $this, array(
42	'content_videos' => 2,
43	'video_details' => 3,
44	), $prio = 40 );
45	}
46
47	public function filter_content_videos( $videos, $content ) {
48
49	if ( $this->p->debug->enabled ) {
50
51	$this->p->debug->mark();
52	}
53
54	/*
55	* Example:
56	*
57	* <object type='application/x-shockwave-flash' wmode='opaque'
58	* data='http://static.slideshare.net/swf/ssplayer2.swf?id=29776875&doc=album-design-part-3-visuals-140107132112-phpapp01'
59	* width='650' height='533'>
60	*/
61	if ( preg_match_all( '/<object[^<>]? data=[\'"]([^\'"<>]+\.slideshare.net\/swf[^\'"]+)[\'"][^<>]>/i', $content, $all_matches, PREG_SET_ORDER ) ) {
62
63	if ( $this->p->debug->enabled ) {
64
65	$this->p->debug->log( count( $all_matches ) . ' x <object/> slideshare video tag(s) found' );
66	}
67
68	foreach ( $all_matches as $media ) {
69
70	$video_url = $media[ 1 ];
71
72	if ( $this->p->debug->enabled ) {
73
74	$this->p->debug->log( 'found video URL: ' . $video_url );
75	}
76
77	$videos[] = array( 'url' => $video_url );
78	}
79
80	} elseif ( $this->p->debug->enabled ) {
81
82	$this->p->debug->log( 'no <object/> slideshare video tag(s) found' );
83	}
84
85	return $videos;
86	}
87
88	public function filter_video_details( $mt_single_video, $args, $mod ) {
89
90	if ( $this->p->debug->enabled ) {
91
92	$this->p->debug->mark();
93	}
94
95	if ( ! empty( $args[ 'attach_id' ] ) ) {
96
97	if ( $this->p->debug->enabled ) {
98
99	$this->p->debug->log( 'exiting early: have attachment ID' );
100	}
101
102	return array();
103
104	} elseif ( false === strpos( $args[ 'url' ], 'slideshare.net' ) ) { // Optimize before preg_match().
105
106	if ( $this->p->debug->enabled ) {
107
108	$this->p->debug->log( 'exiting early: "slideshare.net" string not found in video URL' );
109	}
110
111	return array();
112
113	/*
114	* This matches both the iframe and object URLs.
115	*/
116	} elseif ( ! preg_match( '/^.(slideshare\.net)\/.(\/([0-9]+)\|\?id=([0-9]+).*)$/i', $args[ 'url' ], $match ) ) {
117
118	if ( $this->p->debug->enabled ) {
119
120	$this->p->debug->log( 'exiting early: slideshare video URL pattern not found' );
121	}
122
123	return array();
124	}
125
126	if ( $this->p->debug->enabled ) {
127
128	$this->p->debug->log( 'SlideShare video URL found but no video API modules' );
129	}
130
131	if ( $this->p->notice->is_admin_pre_notices() ) {
132
133	$this->p->msgs->pro_feature_video_found_notice( _x( 'SlideShare', 'video service name', 'wpsso' ), $mod );
134	}
135
136	return array();
137	}
138	}
139	}
140