3v4l.org

run code in 300+ PHP versions simultaneously
<?php $emails = array(); $emails[] = "josephmware@gmail.com"; $emails[] = "joseph.mware@gmail.com"; $emails[] = "joseph.m.ware@gmail.com"; $emails[] = "j.osephmware@gmail.com"; $emails[] = "j.o.s.e.p.h.m.ware@gmail.com"; $emails[] ="j.o.s.e.p.h.m.w.a.r.e@gmail.com"; $pattern = "/./"; foreach($emails as $email) { preg_replace($pattern, "", $email); echo "$email" . "\n\r"; }
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
josephmware@gmail.com joseph.mware@gmail.com joseph.m.ware@gmail.com j.osephmware@gmail.com j.o.s.e.p.h.m.ware@gmail.com j.o.s.e.p.h.m.w.a.r.e@gmail.com

preferences:
228.66 ms | 406 KiB | 312 Q