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<?php mt_srand(43); for ($i = 0; $i < 20; $i++) { echo_key(); } function echo_key() { $buf = rand_buffer(48); echo base64_encode($buf) . "\n"; echo base64_urlencode($buf) . "\n"; } function base64_urlencode($buf) { return str_replace(array('+', '/', '='), array('-', '_', ''), base64_encode($buf)); } function rand_buffer($n) { //try { // $buf = openssl_random_pseudo_bytes($n); //} catch (Exception $e) { $buf = ""; for ($i = 0; $i < $n; $i++) { $buf .= chr(mt_rand(0, 255)); } //} return $buf; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 5
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 5
Branch analysis from position: 10
Branch analysis from position: 5
filename:       /in/YQSV7
function name:  (null)
number of ops:  11
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'mt_srand'
          1        SEND_VAL                                                 43
          2        DO_ICALL                                                 
    5     3        ASSIGN                                                   !0, 0
          4      > JMP                                                      ->8
    6     5    >   INIT_FCALL_BY_NAME                                       'echo_key'
          6        DO_FCALL                                      0          
    5     7        PRE_INC                                                  !0
          8    >   IS_SMALLER                                               !0, 20
          9      > JMPNZ                                                    ~5, ->5
   29    10    > > RETURN                                                   1

Function echo_key:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YQSV7
function name:  echo_key
number of ops:  15
compiled vars:  !0 = $buf
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL_BY_NAME                                       'rand_buffer'
          1        SEND_VAL_EX                                              48
          2        DO_FCALL                                      0  $1      
          3        ASSIGN                                                   !0, $1
   11     4        INIT_FCALL                                               'base64_encode'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        CONCAT                                           ~4      $3, '%0A'
          8        ECHO                                                     ~4
   12     9        INIT_FCALL_BY_NAME                                       'base64_urlencode'
         10        SEND_VAR_EX                                              !0
         11        DO_FCALL                                      0  $5      
         12        CONCAT                                           ~6      $5, '%0A'
         13        ECHO                                                     ~6
   13    14      > RETURN                                                   null

End of function echo_key

Function base64_urlencode:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YQSV7
function name:  base64_urlencode
number of ops:  11
compiled vars:  !0 = $buf
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
   16     1        INIT_FCALL                                               'str_replace'
          2        SEND_VAL                                                 <array>
          3        SEND_VAL                                                 <array>
          4        INIT_FCALL                                               'base64_encode'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $1      
          7        SEND_VAR                                                 $1
          8        DO_ICALL                                         $2      
          9      > RETURN                                                   $2
   17    10*     > RETURN                                                   null

End of function base64_urlencode

Function rand_buffer:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 4
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 4
Branch analysis from position: 15
Branch analysis from position: 4
filename:       /in/YQSV7
function name:  rand_buffer
number of ops:  17
compiled vars:  !0 = $n, !1 = $buf, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   RECV                                             !0      
   23     1        ASSIGN                                                   !1, ''
   24     2        ASSIGN                                                   !2, 0
          3      > JMP                                                      ->13
   25     4    >   INIT_FCALL                                               'chr'
          5        INIT_FCALL                                               'mt_rand'
          6        SEND_VAL                                                 0
          7        SEND_VAL                                                 255
          8        DO_ICALL                                         $5      
          9        SEND_VAR                                                 $5
         10        DO_ICALL                                         $6      
         11        ASSIGN_OP                                     8          !1, $6
   24    12        PRE_INC                                                  !2
         13    >   IS_SMALLER                                               !2, !0
         14      > JMPNZ                                                    ~9, ->4
   28    15    > > RETURN                                                   !1
   29    16*     > RETURN                                                   null

End of function rand_buffer

Generated using Vulcan Logic Dumper, using php 8.0.0


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