3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<!DOCTYPE html> <html> <body> <?php echo substr_replace("0502","/",2,0); // 0 will start replacing at the first character in the string ?> </body> </html>
Output for 4.3.0 - 7.2.0
<!DOCTYPE html> <html> <body> 05/02 </body> </html>