3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'hello form world. i am windows. i am linux '; $pieces = explode(".", $foo); for($i=0;$i<count($pieces);$i++){ var_dump($pieces[$i]); $pieces[$i] = ucfirst($pieces[$i]); } $imp = implode(".", $pieces); echo $imp;
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 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(16) "hello form world" string(13) " i am windows" string(12) " i am linux " Hello form world. i am windows. i am linux

preferences:
317.23 ms | 406 KiB | 456 Q