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How to remove php regular expression br

藏色散人
Release: 2023-03-10 20:14:02
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php Regular way to remove br: First create a PHP sample file; then use the str_replace function and the regular expression "str_replace("

<\/p>" ,"",$htmlstr);" just replace br.
\>

How to remove php regular expression br

##The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

phpRegular How to remove br?

How does PHP's str_replace function replace


?

The code is as follows:

$html="<p>fdasf</p>";
  echo $string = str_replace(array("<p>","","</p>"),"",$html);
  br<http://bbs.houdunwang.com/>
若是<p>   内容</p>替换成<p>内容</p><p>         
content</p>替换成<p>contend</p>(空格是tab键和空格键 混合的 都有可能)方法如下
  $html=preg_replace(&#39;/[\n\r\t]/&#39;,&#39;&#39;,$html);//去空格
若是<p>后面跟了若干个,再是内容
  <p>   内容</p>
  替换成<p>内容</p>
  <p>  content</p>
  替换成<p>contend</p>
  <?php
  $html="<p>
  内容</p>替换成<p>内容</p>
  <p>content</p>替换成<p>contend</p>";方法如下
  $html=trim($html);
  $html=str_replace(PHP_EOL,"",$html);
  $html=str_replace(" ","",$html);
  $html=preg_replace(&#39;/\s+/&#39;,&#39;&#39;,$html);
  $html=preg_replace(&#39;/[\n\r\t]/&#39;,&#39;&#39;,$html);
  echo "{$html}";
  ?>
str_replace("<p><br\/><\/p>","",$htmlstr);
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