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<?php $DoB1 = '14/01/02'; $DoB1match = preg_match("/([0-2]\d|3[0-1])\/(0\d|1[0-2])\/\d{2}/", $DoB1); // Check pattern $age1 = DateTime::createFromFormat('d/m/y', $DoB1) ->diff(new DateTime('now')) ->y; // Check age $age1OK = $age1 > 4 && $age1 < 14; // Check age greater than 4 but less than 14 $DoB1Valid = $DoB1match && $age1OK; if ($age1OK == true) { echo 'yeah'; } else { echo 'nah'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 20, Position 2 = 22
Branch analysis from position: 20
2 jumps found. (Code = 46) Position 1 = 24, Position 2 = 25
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 30
Branch analysis from position: 28
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 30
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
Branch analysis from position: 22
filename:       /in/Oq5C7
function name:  (null)
number of ops:  32
compiled vars:  !0 = $DoB1, !1 = $DoB1match, !2 = $age1, !3 = $age1OK, !4 = $DoB1Valid
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '14%2F01%2F02'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%28%5B0-2%5D%5Cd%7C3%5B0-1%5D%29%5C%2F%280%5Cd%7C1%5B0-2%5D%29%5C%2F%5Cd%7B2%7D%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $6      
          5        ASSIGN                                                   !1, $6
    5     6        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          7        SEND_VAL                                                 'd%2Fm%2Fy'
          8        SEND_VAR                                                 !0
          9        DO_FCALL                                      0  $8      
         10        INIT_METHOD_CALL                                         $8, 'diff'
         11        NEW                                              $9      'DateTime'
         12        SEND_VAL_EX                                              'now'
         13        DO_FCALL                                      0          
         14        SEND_VAR_NO_REF_EX                                       $9
         15        DO_FCALL                                      0  $11     
         16        FETCH_OBJ_R                                      ~12     $11, 'y'
         17        ASSIGN                                                   !2, ~12
    6    18        IS_SMALLER                                       ~14     4, !2
         19      > JMPZ_EX                                          ~14     ~14, ->22
         20    >   IS_SMALLER                                       ~15     !2, 14
         21        BOOL                                             ~14     ~15
         22    >   ASSIGN                                                   !3, ~14
    7    23      > JMPZ_EX                                          ~17     !1, ->25
         24    >   BOOL                                             ~17     !3
         25    >   ASSIGN                                                   !4, ~17
   10    26        BOOL                                             ~19     !3
         27      > JMPZ                                                     ~19, ->30
   11    28    >   ECHO                                                     'yeah'
   10    29      > JMP                                                      ->31
   13    30    >   ECHO                                                     'nah'
   14    31    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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