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<?php if(preg_match("/(?=[a-z]*[0-9])(?=[0-9]*[a-z])([a-z0-9-]+)/i", 'aaa', $match)) { echo $match[1] . "\n\r"; } if(preg_match("/(?=[a-z]*[0-9])(?=[0-9]*[a-z])([a-z0-9-]+)/i", '0000', $match)) { echo $match[1] . "\n\r"; } if(preg_match("/(?=[a-z]*[0-9])(?=[0-9]*[a-z])([a-z0-9-]+)/i", 'aaa1111', $match)) { echo $match[1] . "\n\r"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 18
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 24, Position 2 = 27
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 27
Branch analysis from position: 18
Branch analysis from position: 9
filename:       /in/R1te4
function name:  (null)
number of ops:  28
compiled vars:  !0 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%28%3F%3D%5Ba-z%5D%2A%5B0-9%5D%29%28%3F%3D%5B0-9%5D%2A%5Ba-z%5D%29%28%5Ba-z0-9-%5D%2B%29%2Fi'
          2        SEND_VAL                                                 'aaa'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $1      
          5      > JMPZ                                                     $1, ->9
    4     6    >   FETCH_DIM_R                                      ~2      !0, 1
          7        CONCAT                                           ~3      ~2, '%0A%0D'
          8        ECHO                                                     ~3
    7     9    >   INIT_FCALL                                               'preg_match'
         10        SEND_VAL                                                 '%2F%28%3F%3D%5Ba-z%5D%2A%5B0-9%5D%29%28%3F%3D%5B0-9%5D%2A%5Ba-z%5D%29%28%5Ba-z0-9-%5D%2B%29%2Fi'
         11        SEND_VAL                                                 '0000'
         12        SEND_REF                                                 !0
         13        DO_ICALL                                         $4      
         14      > JMPZ                                                     $4, ->18
    8    15    >   FETCH_DIM_R                                      ~5      !0, 1
         16        CONCAT                                           ~6      ~5, '%0A%0D'
         17        ECHO                                                     ~6
   11    18    >   INIT_FCALL                                               'preg_match'
         19        SEND_VAL                                                 '%2F%28%3F%3D%5Ba-z%5D%2A%5B0-9%5D%29%28%3F%3D%5B0-9%5D%2A%5Ba-z%5D%29%28%5Ba-z0-9-%5D%2B%29%2Fi'
         20        SEND_VAL                                                 'aaa1111'
         21        SEND_REF                                                 !0
         22        DO_ICALL                                         $7      
         23      > JMPZ                                                     $7, ->27
   12    24    >   FETCH_DIM_R                                      ~8      !0, 1
         25        CONCAT                                           ~9      ~8, '%0A%0D'
         26        ECHO                                                     ~9
   13    27    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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