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<?php $original = "9223372036854775807"; $packed = pack("P", $original); assert(strlen($packed) === 8); $unpacked = unpack("P", $packed); echo $original . "\n"; var_dump($unpacked);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Mnc6E
function name:  (null)
number of ops:  24
compiled vars:  !0 = $original, !1 = $packed, !2 = $unpacked
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '9223372036854775807'
    5     1        INIT_FCALL                                               'pack'
          2        SEND_VAL                                                 'P'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
    7     6        ASSERT_CHECK                                             
          7        INIT_FCALL                                               'assert'
          8        STRLEN                                           ~6      !1
          9        IS_IDENTICAL                                     ~7      ~6, 8
         10        SEND_VAL                                                 ~7
         11        SEND_VAL                                                 'assert%28strlen%28%24packed%29+%3D%3D%3D+8%29'
         12        DO_ICALL                                                 
    9    13        INIT_FCALL                                               'unpack'
         14        SEND_VAL                                                 'P'
         15        SEND_VAR                                                 !1
         16        DO_ICALL                                         $9      
         17        ASSIGN                                                   !2, $9
   11    18        CONCAT                                           ~11     !0, '%0A'
         19        ECHO                                                     ~11
   13    20        INIT_FCALL                                               'var_dump'
         21        SEND_VAR                                                 !2
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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