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<?php $string = "+090-1222"; echo (preg_match('/^[0-9-+]+\z/u', $string)) ? 'true' : 'false'; echo "\n"; echo (preg_match('/^[0-9-+]+/u', $string)) ? 'true' : 'false'; $string = 12345; echo (is_string($string)) ? 'true' : 'false';
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 = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 18
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 23, Position 2 = 25
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 23, Position 2 = 25
Branch analysis from position: 23
Branch analysis from position: 25
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 18
Branch analysis from position: 16
Branch analysis from position: 18
filename:       /in/RHXdB
function name:  (null)
number of ops:  28
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2B090-1222'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E%5B0-9-%2B%5D%2B%5Cz%2Fu'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5      > JMPZ                                                     $2, ->8
          6    >   QM_ASSIGN                                        ~3      'true'
          7      > JMP                                                      ->9
          8    >   QM_ASSIGN                                        ~3      'false'
          9    >   ECHO                                                     ~3
    5    10        ECHO                                                     '%0A'
    6    11        INIT_FCALL                                               'preg_match'
         12        SEND_VAL                                                 '%2F%5E%5B0-9-%2B%5D%2B%2Fu'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                         $4      
         15      > JMPZ                                                     $4, ->18
         16    >   QM_ASSIGN                                        ~5      'true'
         17      > JMP                                                      ->19
         18    >   QM_ASSIGN                                        ~5      'false'
         19    >   ECHO                                                     ~5
    8    20        ASSIGN                                                   !0, 12345
    9    21        TYPE_CHECK                                   64          !0
         22      > JMPZ                                                     ~7, ->25
         23    >   QM_ASSIGN                                        ~8      'true'
         24      > JMP                                                      ->26
         25    >   QM_ASSIGN                                        ~8      'false'
         26    >   ECHO                                                     ~8
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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