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<? $string = 'e23e23'; function checkValid($string) { preg_match('/[^A-Za-z0-9.#\\-$]/', $str) ? true : false; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dEBfL
function name:  (null)
number of ops:  2
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'e23e23'
    5     1      > RETURN                                                   1

Function checkvalid:
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
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dEBfL
function name:  checkValid
number of ops:  11
compiled vars:  !0 = $string, !1 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5B%5EA-Za-z0-9.%23%5C-%24%5D%2F'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                         $2      
          5      > JMPZ                                                     $2, ->8
          6    >   QM_ASSIGN                                        ~3      <true>
          7      > JMP                                                      ->9
          8    >   QM_ASSIGN                                        ~3      <false>
          9    >   FREE                                                     ~3
    5    10      > RETURN                                                   null

End of function checkvalid

Generated using Vulcan Logic Dumper, using php 8.0.0


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