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<?php function preg($zippostal) { if (preg_match("/^[0-9]{5}$/", $zippostal)) { return "provided zip/postal code is not valid."; } else { return "provided zip/postal code is valid."; } } $zips = array( '10000', '22324', '24322', '88012', '98230', '12232', '34200', '78900', '01100' ); foreach ($zips as $zip) { echo preg($zip) . "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 9
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/kdOUe
function name:  (null)
number of ops:  11
compiled vars:  !0 = $zips, !1 = $zip
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, <array>
   21     1      > FE_RESET_R                                       $3      !0, ->9
          2    > > FE_FETCH_R                                               $3, !1, ->9
   22     3    >   INIT_FCALL                                               'preg'
          4        SEND_VAR                                                 !1
          5        DO_FCALL                                      0  $4      
          6        CONCAT                                           ~5      $4, '%0A'
          7        ECHO                                                     ~5
   21     8      > JMP                                                      ->2
          9    >   FE_FREE                                                  $3
   23    10      > RETURN                                                   1

Function preg:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kdOUe
function name:  preg
number of ops:  10
compiled vars:  !0 = $zippostal
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E%5B0-9%5D%7B5%7D%24%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5      > JMPZ                                                     $1, ->8
    4     6    > > RETURN                                                   'provided+zip%2Fpostal+code+is+not+valid.'
          7*       JMP                                                      ->9
    6     8    > > RETURN                                                   'provided+zip%2Fpostal+code+is+valid.'
    8     9*     > RETURN                                                   null

End of function preg

Generated using Vulcan Logic Dumper, using php 8.0.0


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