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<?php // $packed = "hoge\0\0" var_dump($packed = pack('a6', '')); // PHP 5.4 $data = "hoge" // PHP 5.5 $data = "hoge\0\0" var_dump($data = unpack('a6', $packed)); // PHP 5.5 $data = "hoge" var_dump($data = unpack('Z6', $packed));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kFpBU
function name:  (null)
number of ops:  25
compiled vars:  !0 = $packed, !1 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'pack'
          2        SEND_VAL                                                 'a6'
          3        SEND_VAL                                                 ''
          4        DO_ICALL                                         $2      
          5        ASSIGN                                           ~3      !0, $2
          6        SEND_VAL                                                 ~3
          7        DO_ICALL                                                 
    9     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'unpack'
         10        SEND_VAL                                                 'a6'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                         $5      
         13        ASSIGN                                           ~6      !1, $5
         14        SEND_VAL                                                 ~6
         15        DO_ICALL                                                 
   12    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'unpack'
         18        SEND_VAL                                                 'Z6'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $8      
         21        ASSIGN                                           ~9      !1, $8
         22        SEND_VAL                                                 ~9
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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