将字符串与[PHP]之间的标签一起分解

问题描述：

I have the following sample string:

$string = 'I wish you a merry <span style="font-size: 14px;">Christmas</span> and a happy new <span style="font-size: 18px;">year</span>!'

Now I am trying to explode this string so that the output is:

$arr[0] = 'I wish you a merry '
$arr[1] = '<span style="font-size: 14px;">Christmas</span>'
$arr[2] = ' and a happy new '
$arr[3] = '<span style="font-size: 18px;">year</span>'
$arr[4] = '!'

I tried it with

$arr = explode('<span style="font-size: ', $string);

But of course then I include the whole string until the next opening <span>-Tag.

I also tried to use preg_match_all with a foreach loop over all used font-sizes:

preg_match_all('~\<span style="font-size:' . $fontSize . 'px;"\>(.*?)\<\/span\>~', $string, $output[$fontSize]);

But then the other strings which are not between the tags are not included. But I need them in the described order.

How can I convert that correctly to the given array? I need it for the PHP lib PDFlib which is not able to read HTML.

我有以下示例字符串： p>

  $ string =  '祝你快乐＆lt; span style =“font-size：14px;”＆gt;圣诞节＆lt; / span＆gt; 和一个快乐的新＆lt; span style =“font-size：18px;”＆gt; year＆lt; / span＆gt;！'
  code>  pre> 
 
 现在我试图爆炸这个 字符串，以便输出： p> 
 
 
  $ arr [0] ='我希望你快乐'
 $ arr [1] ='＆lt; span style =“字体 -size：14px;“＆gt;圣诞节＆lt; / span＆gt;'
 $ arr [2] ='和一个快乐的新'
 $ arr [3] ='＆lt; span style =”font-size：18px;“  ＆gt;年＆lt; / span＆gt;'
 $ arr [4] ='！'
  code>  pre> 
 
 我尝试了 p> 
 
 
  $ arr = explode（'＆lt; span style =“font-size：'，$ string）; 
  code>  pre> 
 
 但当然我包括了 整个字符串直到下一个开始＆lt; span＆gt;  code> -Tag。 p> 
 
 
我还尝试将 preg_match_all  code>与foreach循环一起使用 使用font-sizes： p> 
 
 
  preg_match_all（'〜\＆lt; span style =“font-size：'。$ fontSize。'px;”\＆gt;（。*？  ）\＆lt; \ / span \＆gt;〜'，$ string，$ output [$ fontSize]）; 
  code>  pre> 
 
 但是其他不在之间的字符串 标签不包括在内。但我在描述中需要它们 ed order。 p> 
 
 
如何将其正确转换为给定的数组？ 我需要它用于PHP lib PDFlib，它无法读取HTML。 p> 
  div>

答

This is an easy and readable solution (not the prettiest):

$string = 'I wish you a merry <span style="font-size: 14px;">Christmas</span> and a happy new <span style="font-size: 18px;">year</span>!';

$string = str_replace("<span", "|<span", $string);
$string = str_replace("</span>", "</span>|", $string);

The string will end up like this:

'I wish you a merry |<span style="font-size: 14px;">Christmas</span>| and a happy new |<span style="font-size: 18px;">year</span>|!'

Now you can explode the string on "|":

$arr = explode("|", $string);

答

You should use the tools for the job. Here's a way to do this using DOMDocument (with a little trick).

$dom = new \DOMDocument();

$string = 'I wish you a merry <span style="font-size: 14px;">Christmas</span> and a happy new <span style="font-size: 18px;">year</span>!';
$dom->loadHTML("<div id='".($id=uniqid())."'>$string</div>"); //Trick, wrap in a div with a unique id.


foreach ($dom->getElementById($id)->childNodes as $child) { 
    echo $dom->saveHTML($child).PHP_EOL;
}

Outputs:

 I wish you a merry     
 <span style="font-size: 14px;">Christmas</span>    
  and a happy new     
 <span style="font-size: 18px;">year</span>    
 !

Of course instead of echo $dom->saveHTML($child) you can just put the results in an array e.g. $array[] = $dom->saveHTML($child);

Live example

将字符串与[PHP]之间的标签一起分解

相关推荐