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<?php $str = 1; $block = mcrypt_get_block_size('des', 'ecb'); $pad = $block - (strlen($str) % $block); $str .= str_repeat(chr($pad), $pad); echo rawurlencode(mcrypt_encrypt(MCRYPT_DES, 'd9daa', $str, MCRYPT_MODE_ECB));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/07ZXd
function name:  (null)
number of ops:  31
compiled vars:  !0 = $str, !1 = $block, !2 = $pad
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 1
    5     1        INIT_FCALL_BY_NAME                                       'mcrypt_get_block_size'
          2        SEND_VAL_EX                                              'des'
          3        SEND_VAL_EX                                              'ecb'
          4        DO_FCALL                                      0  $4      
          5        ASSIGN                                                   !1, $4
    6     6        STRLEN                                           ~6      !0
          7        MOD                                              ~7      ~6, !1
          8        SUB                                              ~8      !1, ~7
          9        ASSIGN                                                   !2, ~8
    7    10        INIT_FCALL                                               'str_repeat'
         11        INIT_FCALL                                               'chr'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                         $10     
         14        SEND_VAR                                                 $10
         15        SEND_VAR                                                 !2
         16        DO_ICALL                                         $11     
         17        ASSIGN_OP                                     8          !0, $11
    9    18        INIT_FCALL                                               'rawurlencode'
         19        INIT_FCALL_BY_NAME                                       'mcrypt_encrypt'
         20        FETCH_CONSTANT                                   ~13     'MCRYPT_DES'
         21        SEND_VAL_EX                                              ~13
         22        SEND_VAL_EX                                              'd9daa'
         23        SEND_VAR_EX                                              !0
         24        FETCH_CONSTANT                                   ~14     'MCRYPT_MODE_ECB'
         25        SEND_VAL_EX                                              ~14
         26        DO_FCALL                                      0  $15     
         27        SEND_VAR                                                 $15
         28        DO_ICALL                                         $16     
         29        ECHO                                                     $16
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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