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<?php $m = array(); preg_match_all('/(test)|()/', 'testtest', $m); var_dump($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZXvIq
function name:  (null)
number of ops:  10
compiled vars:  !0 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%28test%29%7C%28%29%2F'
          3        SEND_VAL                                                 'testtest'
          4        SEND_REF                                                 !0
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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