php 获取YouTube视频信息
YouTube的视频地址格式
https://www.youtube.com/watch?v=[VIDEO_ID]
例子：https://www.youtube.com/watch?v=psvkyf3PzjE
// 根据video id 获取YouTube视频信息
function getYouTubeInfo($video_id){
$content = file_get_contents("http://youtube.com/get_video_info?video_id=" . $video_id);
parse_str($content, $ytarr);
return $ytarr;
}
$video_id = 'psvkyf3PzjE';
$ytinfo = getYouTubeInfo($video_id);
echo '<meta http-equiv="content-type" content="text/html;charset=utf-8">';
echo '<p><strong>'.$ytinfo['title'].'</strong></p>'; // 标题
echo '<p><img src="'.$ytinfo['thumbnail_url'].'"></p>'; // 缩略图
echo '<p><img src="'.$ytinfo['iurlmq'].'"></p>'; // 中图
echo '<p><img src="'.$ytinfo['iurl'].'"></p>'; // 大图
echo '<pre>';
print_r($ytinfo);
echo '</pre>';
输出：
更多信息：
Array
(
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[hl] => zh_HK
[iv_load_policy] => 1
[length_seconds] => 151
[adsense_video_doc_id] => yt_psvkyf3PzjE
[iv_allow_in_place_switch] => 1
[plid] => AAT-OeiZGx1hsKAp
[title] => 10 Amazing Practical Jokes
[ptchn] => vGMGQC8gNkd4gwxSbABIlw
[sw] => 1.0
[pyv_in_related_cafe_experiment_id] =>
[ad_device] => 1
[rmktPingThreshold] => 0
[use_cipher_signature] => False
[account_playback_token] => QUFFLUhqay1iUzhSU0V5RUZreHlFb3JDcUx3eVJOSnVRd3xBQ3Jtc0trVHRiY1RxejNPNmt4ZHlUS0dNSzgzOUFTOW5Pd05mN2kxenNaWU12UGxzWExRVzlFZG1vdmxFRDZpNXBfVUQzdGpYbEZNbXZ3SG9PX0VucHlaQmJxWEtJbWNUVk9qYTFiUi03NGpJNU5pbkNhaXdMOA==
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[ptk] => Quirkology%2Buser
[tag_for_child_directed] => False
[ad_host] => ca-host-pub-8542631585713003
[gut_tag] => /4061/ytunknown/main
[track_embed] => 1
[iurl] => http://i1.ytimg.com/vi/psvkyf3PzjE/hqdefault.jpg
[has_cc] => True
[ytfocEnabled] => 1
[aid] => P82cR0jfshg
[view_count] => 8955678
[enablecsi] => 1
[csi_page_type] => embed
[idpj] => -5
[pltype] => content
[instream_long] => False
[timestamp] => 1405424575
[ad_eurl] => http://www.youtube.com/video/psvkyf3PzjE
[video_verticals] => [3, 33, 211, 539, 937]
[no_get_video_log] => 1
[c] => WEB
[avg_rating] => 4.87036008516
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[iurlsd] => http://i1.ytimg.com/vi/psvkyf3PzjE/sddefault.jpg
[loeid] => 903802,908561,941365,950844
[afv] => True
[cafe_experiment_id] =>
[dashmpd] => http://manifest.googlevideo.com/api/manifest/dash/upn/f2nEB_KIghU/id/o-AKm8X5p-waOfjKuduWXVRoaCAHWLVisXWk4acX1jqKuq/signature/C73E49120EA6BB8825C670AF1EF28837D096D227.01BF67F4E38FC40D5DA612E8ACC2CB7F3D9DF11E/mws/yes/ipbits/0/sparams/as%2Cid%2Cip%2Cipbits%2Citag%2Cplayback_host%2Csource%2Cexpire/as/fmp4_audio_clear%2Cwebm_audio_clear%2Cfmp4_sd_hd_clear%2Cwebm_sd_hd_clear/mt/1405424547/fexp/902408%2C903802%2C908561%2C924213%2C924217%2C924222%2C930008%2C934024%2C934030%2C936927%2C941365%2C950844/itag/0/expire/1405447200/ip/114.142.144.2/sver/3/key/yt5/ms/au/mv/m/source/youtube/playback_host/r1---sn-i3b7rn7k.googlevideo.com
[as_launched_in_country] => 1
[iv_invideo_url] => http://www.youtube.com/annotations_invideo?cap_hist=1&cta=2&video_id=psvkyf3PzjE
[cc_asr] => 1
[eventid] => vxPFU4bgLozf4QL30oGQDQ
[advideo] => 1
[allow_embed] => 1
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[status] => ok
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[shortform] => True
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[keywords] => quirkology,jokes,magic,psychology,bets
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[allow_ratings] => 1
[allow_html5_ads] => 1
[cc3_module] => 1
[ad_logging_flag] => 1
[focEnabled] => 1
[tmi] => 1
[cut_ad_for_ypc] => False
[author] => Quirkology
[dash] => 1
[allowed_ads] => [8, 1, 2, 10, 0]
[iurlhq] => http://i1.ytimg.com/vi/psvkyf3PzjE/hqdefault.jpg
[cc_module] => http://s.ytimg.com/yts/swfbin/player-vflq0-BLs/subtitle_module.swf
[host_language] => zh
[midroll_freqcap] => 420.0
[uid] => vGMGQC8gNkd4gwxSbABIlw
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[baseUrl] => http://googleads.g.doubleclick.net/pagead/viewthroughconversion/962985656/
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[video_id] => psvkyf3PzjE
)本文讲解了如何通过php 来获取YouTube视频信息 ，更多相关内容请关注php中文网。
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