3v4l.org

run code in 300+ PHP versions simultaneously
<?php $firstName = "Harvey"; $middleName = "Joseph"; $lastName = "Glick"; $fullName = $firstName . " " . $middleName . " " . $lastName; echo preg_replace('/([A-Z])[a-z]+\h+/', '$1 ', $fullName);
Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
H J Glick
preferences:
84.19 ms | 408 KiB | 5 Q