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<?php $a = pack('N', time()); $b = pack('N', substr(time(), 2, 8)); $c = random_bytes(2); $d = random_bytes(2); echo bin2hex($a . $b . $c . $d).PHP_EOL; echo time();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WAhbl
function name:  (null)
number of ops:  39
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'pack'
          1        SEND_VAL                                                 'N'
          2        INIT_FCALL                                               'time'
          3        DO_ICALL                                         $4      
          4        SEND_VAR                                                 $4
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !0, $5
    4     7        INIT_FCALL                                               'pack'
          8        SEND_VAL                                                 'N'
          9        INIT_FCALL                                               'substr'
         10        INIT_FCALL                                               'time'
         11        DO_ICALL                                         $7      
         12        SEND_VAR                                                 $7
         13        SEND_VAL                                                 2
         14        SEND_VAL                                                 8
         15        DO_ICALL                                         $8      
         16        SEND_VAR                                                 $8
         17        DO_ICALL                                         $9      
         18        ASSIGN                                                   !1, $9
    5    19        INIT_FCALL                                               'random_bytes'
         20        SEND_VAL                                                 2
         21        DO_ICALL                                         $11     
         22        ASSIGN                                                   !2, $11
    6    23        INIT_FCALL                                               'random_bytes'
         24        SEND_VAL                                                 2
         25        DO_ICALL                                         $13     
         26        ASSIGN                                                   !3, $13
    8    27        INIT_FCALL                                               'bin2hex'
         28        CONCAT                                           ~15     !0, !1
         29        CONCAT                                           ~16     ~15, !2
         30        CONCAT                                           ~17     ~16, !3
         31        SEND_VAL                                                 ~17
         32        DO_ICALL                                         $18     
         33        CONCAT                                           ~19     $18, '%0A'
         34        ECHO                                                     ~19
    9    35        INIT_FCALL                                               'time'
         36        DO_ICALL                                         $20     
         37        ECHO                                                     $20
         38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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