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<?php $foo = 'a quick red brown fox'; print preg_match('#\b(rea|brown|big)\b#', $foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qL4oh
function name:  (null)
number of ops:  7
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'a+quick+red+brown+fox'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%23%5Cb%28rea%7Cbrown%7Cbig%29%5Cb%23'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        ECHO                                                     $2
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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