fork download
copy 
  1. <?php
  2. function hashtag($str){
  3.     $regex = "/#([a-zA-Z0-9]+)/";
  4.     $str = preg_replace($regex, '<a href="e.php?tag=\\1">\\0</a>', $str);
  5.     return($str);
  6. }
  7.  
  8. $str = 'Robert De Niro won the #oscar.';
  9. echo hashtag($str);
  10.  
Success #stdin #stdout 0.02s 52432KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Robert De Niro won the <a href="e.php?tag=oscar">#oscar</a>.
https://ideone.com/Gj8Tqi
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!