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<?php $a = "Darsstar"; $b = $a . "\n"; if ($return = preg_match('/^[A-Z][a-z]++$/', $a)) { var_dump($return, 'A zonder D'); } if (preg_match('/^[A-Z][a-z]++$/', $b)) { var_dump($return, 'B zonder D'); } if (preg_match('/^[A-Z][a-z]++$/D', $a)) { var_dump($return, 'A met D'); } if (preg_match('/^[A-Z][a-z]++$/D', $b)) { var_dump($return, 'B met D'); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 13
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 22
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 31
Branch analysis from position: 27
2 jumps found. (Code = 43) Position 1 = 36, Position 2 = 40
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 40
Branch analysis from position: 31
Branch analysis from position: 22
Branch analysis from position: 13
filename:       /in/JkhZZ
function name:  (null)
number of ops:  41
compiled vars:  !0 = $a, !1 = $b, !2 = $return
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Darsstar'
    4     1        CONCAT                                           ~4      !0, '%0A'
          2        ASSIGN                                                   !1, ~4
    6     3        INIT_FCALL                                               'preg_match'
          4        SEND_VAL                                                 '%2F%5E%5BA-Z%5D%5Ba-z%5D%2B%2B%24%2F'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $6      
          7        ASSIGN                                           ~7      !2, $6
          8      > JMPZ                                                     ~7, ->13
    8     9    >   INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !2
         11        SEND_VAL                                                 'A+zonder+D'
         12        DO_ICALL                                                 
   11    13    >   INIT_FCALL                                               'preg_match'
         14        SEND_VAL                                                 '%2F%5E%5BA-Z%5D%5Ba-z%5D%2B%2B%24%2F'
         15        SEND_VAR                                                 !1
         16        DO_ICALL                                         $9      
         17      > JMPZ                                                     $9, ->22
   13    18    >   INIT_FCALL                                               'var_dump'
         19        SEND_VAR                                                 !2
         20        SEND_VAL                                                 'B+zonder+D'
         21        DO_ICALL                                                 
   16    22    >   INIT_FCALL                                               'preg_match'
         23        SEND_VAL                                                 '%2F%5E%5BA-Z%5D%5Ba-z%5D%2B%2B%24%2FD'
         24        SEND_VAR                                                 !0
         25        DO_ICALL                                         $11     
         26      > JMPZ                                                     $11, ->31
   18    27    >   INIT_FCALL                                               'var_dump'
         28        SEND_VAR                                                 !2
         29        SEND_VAL                                                 'A+met+D'
         30        DO_ICALL                                                 
   21    31    >   INIT_FCALL                                               'preg_match'
         32        SEND_VAL                                                 '%2F%5E%5BA-Z%5D%5Ba-z%5D%2B%2B%24%2FD'
         33        SEND_VAR                                                 !1
         34        DO_ICALL                                         $13     
         35      > JMPZ                                                     $13, ->40
   23    36    >   INIT_FCALL                                               'var_dump'
         37        SEND_VAR                                                 !2
         38        SEND_VAL                                                 'B+met+D'
         39        DO_ICALL                                                 
   24    40    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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