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<?php //$DXPcmd = array(0x55,0x82,0x10,0x31,0x00,0x51,0x96); $DXPcmd = array(0x55,0x82,0x10,0x31,0x00,0x51); //echo " DXPcmd 1 = ".$DXPcmd; $DXPcmd = "558210310051"; //0x55 0x82 0x10 0x25 0x00 0x55 0x9E $DXPcmd = "558210250055"; //echo " DXPcmd 1 = ".$DXPcmd; $SUM=0; for ($i=0; $i < strlen($DXPcmd)-1; $i+=2){ $SUM += hexdec($DXPcmd[$i].$DXPcmd[$i+1]); } $NOTSUM = ~$SUM; echo " NOTSUM = ".$NOTSUM; echo " dechex = ".dechex($NOTSUM); $CHKSUM = substr(dechex($NOTSUM), -2); echo " CHKSUM = ".$CHKSUM; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 6
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 6
Branch analysis from position: 19
Branch analysis from position: 6
filename:       /in/ujrQo
function name:  (null)
number of ops:  39
compiled vars:  !0 = $DXPcmd, !1 = $SUM, !2 = $i, !3 = $NOTSUM, !4 = $CHKSUM
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, <array>
    7     1        ASSIGN                                                   !0, '558210310051'
    9     2        ASSIGN                                                   !0, '558210250055'
   11     3        ASSIGN                                                   !1, 0
   12     4        ASSIGN                                                   !2, 0
          5      > JMP                                                      ->15
   13     6    >   INIT_FCALL                                               'hexdec'
          7        FETCH_DIM_R                                      ~10     !0, !2
          8        ADD                                              ~11     !2, 1
          9        FETCH_DIM_R                                      ~12     !0, ~11
         10        CONCAT                                           ~13     ~10, ~12
         11        SEND_VAL                                                 ~13
         12        DO_ICALL                                         $14     
         13        ASSIGN_OP                                     1          !1, $14
   12    14        ASSIGN_OP                                     1          !2, 2
         15    >   STRLEN                                           ~17     !0
         16        SUB                                              ~18     ~17, 1
         17        IS_SMALLER                                               !2, ~18
         18      > JMPNZ                                                    ~19, ->6
   15    19    >   BW_NOT                                           ~20     !1
         20        ASSIGN                                                   !3, ~20
   16    21        CONCAT                                           ~22     '+NOTSUM+%3D+', !3
         22        ECHO                                                     ~22
   17    23        INIT_FCALL                                               'dechex'
         24        SEND_VAR                                                 !3
         25        DO_ICALL                                         $23     
         26        CONCAT                                           ~24     '+dechex+%3D+', $23
         27        ECHO                                                     ~24
   18    28        INIT_FCALL                                               'substr'
         29        INIT_FCALL                                               'dechex'
         30        SEND_VAR                                                 !3
         31        DO_ICALL                                         $25     
         32        SEND_VAR                                                 $25
         33        SEND_VAL                                                 -2
         34        DO_ICALL                                         $26     
         35        ASSIGN                                                   !4, $26
   19    36        CONCAT                                           ~28     '+CHKSUM+%3D+', !4
         37        ECHO                                                     ~28
   21    38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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182.24 ms | 1396 KiB | 19 Q