3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "<p>Hello World!&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Javascript development&nbsp;PHP Developer&nbsp;</p>"; $result = preg_replace(["/\s*&nbsp;(?:\s*&nbsp;)*\s*/", "/\s+/"], ['&nbsp;',' '], $text); echo $result;
Output for 7.1.25 - 7.1.27, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
<p>Hello World!&nbsp;Javascript development&nbsp;PHP Developer&nbsp;</p>
preferences:
105.15 ms | 1407 KiB | 4 Q