如何解析你管的代码在php

我需要应该在你管的URL追加11位数字代码。
```
like www.youtube.com/embed/XzqagJTsNrc. 
```

源代码

$url= htmlentities($this->linkify($row['tweetText'])); 

$youtube=explode(' ',$url).

阵列输出。

Array 
(
[0] => VW 
[1] => @ 
[2] => European 
[3] => Motor 
[4] => Show 
[5] => Brussels 
[6] => - 
[7] => Behind 
[8] => the 
[9] => scene 
[10] => (part 
[11] => 1): 
[12] => &amp;nbsp;&lt;a 
[13] => class=&quot;twtlnk&quot; 
[14] => rel=&quot;nofollow&quot; 
[15] => href=&quot;http://youtu.be/XzqagJTsNrc&quot; 
[16] => target=\&quot;_blank\&quot;&gt;http://youtu.be/XzqagJTsNrc&lt;/a&gt;&nbsp; 
[17] => via 
[18] => &amp;nbsp;&lt;a 
[19] => class=&quot;twthand&quot; 
[20] => href=&quot;https://twitter.com/youtube&quot; 
[21] => rel=&quot;nofollow&quot; 
[22] => target=\&quot;_blank\&quot; 
[23] => &gt;@youtube&lt;/a&gt; 
)

我已使用正则表达式

  $text = preg_replace('~ 

      https?://   # Required scheme. Either http or https. 
      (?:[0-9A-Z-]+\.)? # Optional subdomain. 
      (?:    # Group host alternatives. 
      youtu\.be/  # Either youtu.be, 
      | youtube   # or youtube.com or 
      (?:-nocookie)? # youtube-nocookie.com 
      \.com   # followed by 
      \S*    # Allow anything up to VIDEO_ID, 
      [^\w\s-]  # but char before ID is non-ID char. 
      )     # End host alternatives. 
      ([\w-]{11})  # $1: VIDEO_ID is exactly 11 chars. 
      (?=[^\w-]|$)  # Assert next char is non-ID or EOS. 
      (?!    # Assert URL is not pre-linked. 
      [?=&+%\w.-]* # Allow URL (query) remainder. 
      (?:    # Group pre-linked alternatives. 
      [\'"][^<>]*> # Either inside a start tag, 
      | </a>   # or inside <a> element text contents. 
      )    # End recognized pre-linked alts. 
      )     # End negative lookahead assertion. 
      [?=&+%\w.-]*  # Consume any URL (query) remainder. 
      ~ix', 
      '<a href="http://www.youtube.com/watch?v=$1">$1</a>', 
      $youtube); 

      print_r($text);

阵列返回

Array 
(
[0] => VW 
[1] => @ 
[2] => European 
[3] => Motor 
[4] => Show 
[5] => Brussels 
[6] => - 
[7] => Behind 
[8] => the 
[9] => scene 
[10] => (part 
[11] => 1): 
[12] => &amp;nbsp;&lt;a 
[13] => class=&quot;twtlnk&quot; 
[14] => rel=&quot;nofollow&quot; 
[15] => href=&quot;<a href="http://www.youtube.com/watch?v=XzqagJTsNrc">XzqagJTsNrc</a>; 
[16] => target=\&quot;_blank\&quot;&gt;<a href="http://www.youtube.com/watch?v=XzqagJTsNrc">XzqagJTsNrc</a>;/a&gt;&nbsp; 
[17] => via 
[18] => &amp;nbsp;&lt;a 
[19] => class=&quot;twthand&quot; 
[20] => href=&quot;https://twitter.com/youtube&quot; 
[21] => rel=&quot;nofollow&quot; 
[22] => target=\&quot;_blank\&quot; 
[23] => &gt;@youtube&lt;/a&gt;

）试图

我只需要获取XzqagJTsNrc;在做print_r（$ text [15]）;
它输出的href =“XzqagJTsNrc;
，但我只需要XzqagJTsNrc（11位字符内）
```
how to parse href="XzqagJTsNrc; (href =" ;) 
```

来源

2014-10-09 user2818060

我也问过HREF =“XzqagJTsNrc;如何删除href =“和;从代码 – user2818060 2014-10-09 07:37:07

这意味着解析youtube代码，如果你删除'href =”'和';'只有youtube代码是:) – Saqueib 2014-10-09 07:48:16

是我想要的 – user2818060 2014-10-09 07:49:17

你可以做到这一点。使用preg_match

$url = $text[15]; 

if (preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $url, $match)) { 
    $video_id = $match[1]; 
} 

echo($video_id);

它不仅可以匹配的YouTube而是另一个IDS以及

来源

2014-10-09 07:53:59 Saqueib

就这么简单：

$var = 'href="XzqagJTsNrc;'; 
$youtube_id = substr($var, 6, 11);

来源

2014-10-09 07:51:02 blue112

如果你只需要XzqagJTsNrc，然后使用basename：

$link = 'http://www.youtube.com/embed/XzqagJTsNrc'; 
echo basename($link); // XzqagJTsNrc

来源

2014-10-09 07:55:39 Sal00m

如何解析你管的代码在php

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