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<?php $packed = pack('h*', dechex(PHP_INT_MAX)); $v = unpack('h*', $packed); $v = hexdec($v[1]); var_dump($packed); var_dump($v);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gaOMq
function name:  (null)
number of ops:  25
compiled vars:  !0 = $packed, !1 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'pack'
          1        SEND_VAL                                                 'h%2A'
          2        INIT_FCALL                                               'dechex'
          3        SEND_VAL                                                 9223372036854775807
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                         $3      
          7        ASSIGN                                                   !0, $3
    3     8        INIT_FCALL                                               'unpack'
          9        SEND_VAL                                                 'h%2A'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $5      
         12        ASSIGN                                                   !1, $5
    4    13        INIT_FCALL                                               'hexdec'
         14        FETCH_DIM_R                                      ~7      !1, 1
         15        SEND_VAL                                                 ~7
         16        DO_ICALL                                         $8      
         17        ASSIGN                                                   !1, $8
    5    18        INIT_FCALL                                               'var_dump'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                                 
    6    21        INIT_FCALL                                               'var_dump'
         22        SEND_VAR                                                 !1
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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