3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match( '/^\[ADDING MEMBER ID 199867 TO THE 25 MATRIX... Checking For Next Paid Sponsor in Level 25 SPONSOR ID FOUND IS 199849 Sponsor ID found to be: 199849 Checking Row 1 Checking Row 2 COULD NOT FIND AN OPEN SPOT IN THE MATRIX OF SPONSOR ID: 2377893(\d+)\]/', '[#1234] Subject', $matches); echo $matches[0]; // 1234
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined offset: 0 in /in/3k0jg on line 9
Output for hhvm-3.12.0
Notice: Undefined index: 0 in /in/3k0jg on line 9
Output for hhvm-3.10.0
Notice: Undefined index: 0 in /in/3k0jg on line -1
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.2.17
Notice: Undefined offset: 0 in /in/3k0jg on line 9
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/3k0jg on line 9
Process exited with code 255.