title: remove specific html tags using php
body: <p>Since I dont want to use stip_tags function of php instead of I want to replace  <code>&lt;script&gt; and &lt;/script&gt;</code> to empty string so that output should be alert(1).</p>
  
  <blockquote>
    <p>Input:- 
    <code>&lt;script&gt;alert(1)&lt;/script&gt;</code></p>
    
    <p>Output:- alert(1)</p>
  </blockquote>
  
  <p>how to achieve it.</p>