3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = <<<XML <html> <head><HEADER/></head> <body> <CONTENT/> </body> <FOOTER/> </html> XML; $content = "<div id='main'>asdf asdf</div>"; $header = "<title>page 1</title>"; $footer = "<script type='text/javascript'></script>"; echo preg_replace('/<CONTENT\/>/',$content,$xml,1); echo preg_replace('/<HEADER\/>/',$header,$xml,1); echo preg_replace('/<FOOTER\/>/',$footer,$xml,1);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<html> <head><HEADER/></head> <body> <div id='main'>asdf asdf</div> </body> <FOOTER/> </html><html> <head><title>page 1</title></head> <body> <CONTENT/> </body> <FOOTER/> </html><html> <head><HEADER/></head> <body> <CONTENT/> </body> <script type='text/javascript'></script> </html>

preferences:
258.72 ms | 406 KiB | 397 Q