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<?php $string = 'Привет'; if (ctype_alnum($string)) { echo "This string totally works"; } else { echo "And this one not so much"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EtRlg
function name:  (null)
number of ops:  9
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%D0%9F%D1%80%D0%B8%D0%B2%D0%B5%D1%82'
    3     1        INIT_FCALL                                               'ctype_alnum'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4      > JMPZ                                                     $2, ->7
    4     5    >   ECHO                                                     'This+string+totally+works'
          6      > JMP                                                      ->8
    7     7    >   ECHO                                                     'And+this+one+not+so+much'
    8     8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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