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<?php $regex = '-(\d+)-(\w+)@(mailing.)?kingsquare.nl$'; echo (preg_match('/' . $regex . '/i', 'mirolscom-17999782-9342797@mailing.kingsquare.nl'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JC23l
function name:  (null)
number of ops:  9
compiled vars:  !0 = $regex
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '-%28%5Cd%2B%29-%28%5Cw%2B%29%40%28mailing.%29%3Fkingsquare.nl%24'
    4     1        INIT_FCALL                                               'preg_match'
          2        CONCAT                                           ~2      '%2F', !0
          3        CONCAT                                           ~3      ~2, '%2Fi'
          4        SEND_VAL                                                 ~3
          5        SEND_VAL                                                 'mirolscom-17999782-9342797%40mailing.kingsquare.nl'
          6        DO_ICALL                                         $4      
          7        ECHO                                                     $4
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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