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<?php $number = 15; $packed = pack('h*', dechex($number)); $v = unpack('h*', $packed); $v = hexdec($v[1]); var_dump($packed); var_dump($number); var_dump($v);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b2Wne
function name:  (null)
number of ops:  29
compiled vars:  !0 = $number, !1 = $packed, !2 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 15
    3     1        INIT_FCALL                                               'pack'
          2        SEND_VAL                                                 'h%2A'
          3        INIT_FCALL                                               'dechex'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !1, $5
    4     9        INIT_FCALL                                               'unpack'
         10        SEND_VAL                                                 'h%2A'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                         $7      
         13        ASSIGN                                                   !2, $7
    5    14        INIT_FCALL                                               'hexdec'
         15        FETCH_DIM_R                                      ~9      !2, 1
         16        SEND_VAL                                                 ~9
         17        DO_ICALL                                         $10     
         18        ASSIGN                                                   !2, $10
    6    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !1
         21        DO_ICALL                                                 
    7    22        INIT_FCALL                                               'var_dump'
         23        SEND_VAR                                                 !0
         24        DO_ICALL                                                 
    8    25        INIT_FCALL                                               'var_dump'
         26        SEND_VAR                                                 !2
         27        DO_ICALL                                                 
         28      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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154.74 ms | 1395 KiB | 23 Q