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<?php $dateofbirth = '30/11/80'; list($dd,$mm,$yyyy) = explode('/',$dateofbirth); if (!checkdate($mm,$dd,$yyyy)) { echo 'this should fail!'; } else echo 'passed valid date?';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 21
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZPRnV
function name:  (null)
number of ops:  23
compiled vars:  !0 = $dateofbirth, !1 = $dd, !2 = $mm, !3 = $yyyy
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, '30%2F11%2F80'
    3     1        INIT_FCALL                                                   'explode'
          2        SEND_VAL                                                     '%2F'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                             $5      
          5        FETCH_LIST_R                                         $6      $5, 0
          6        ASSIGN                                                       !1, $6
          7        FETCH_LIST_R                                         $8      $5, 1
          8        ASSIGN                                                       !2, $8
          9        FETCH_LIST_R                                         $10     $5, 2
         10        ASSIGN                                                       !3, $10
         11        FREE                                                         $5
    4    12        INIT_FCALL                                                   'checkdate'
         13        SEND_VAR                                                     !2
         14        SEND_VAR                                                     !1
         15        SEND_VAR                                                     !3
         16        DO_ICALL                                             $12     
         17        BOOL_NOT                                             ~13     $12
         18      > JMPZ                                                         ~13, ->21
    5    19    >   ECHO                                                         'this+should+fail%21'
    4    20      > JMP                                                          ->22
    8    21    >   ECHO                                                         'passed+valid+date%3F'
         22    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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