3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getReplacedStr($str, $searchStr, $replaceWith){ $arr = explode(' ', $str); $firstElement = array_shift($arr); if($searchStr == $firstElement){ $finalStr = $replaceWith.' '.implode(' ', $arr); }else{ $finalStr = $str; } return $finalStr; } $replaceWith = 'Hi'; $searchStr = 'Hello'; $str = 'Hello World Hello World'; $str2 = 'Super World Hello World'; echo getReplacedStr($str, $searchStr, $replaceWith); echo "\n"; echo getReplacedStr($str2, $searchStr, $replaceWith);
Output for git.master, git.master_jit, rfc.property-hooks
Hi World Hello World Super World Hello World

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
25.4 ms | 405 KiB | 5 Q