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<?php $lat = 48.274996066466; $lng = 14.246049094945; $intr = 0; $boost = array(0,1,4,5,16,17,20,21,64,65,68,69,80,81,84,85); for ($i=0; $i<8; $i++) { var_dump($intr<<8); $intr = ($intr<<8) + ($boost[($lng>>(28-$i*4))%16]<<1) + $boost[($lat>>(28-$i*4))%16]; var_dump($i . " > " . $intr); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
2 jumps found. (Code = 44) Position 1 = 33, Position 2 = 6
Branch analysis from position: 33
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 33, Position 2 = 6
Branch analysis from position: 33
Branch analysis from position: 6
filename:       /in/jfuIM
function name:  (null)
number of ops:  34
compiled vars:  !0 = $lat, !1 = $lng, !2 = $intr, !3 = $boost, !4 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 48.275
    3     1        ASSIGN                                                   !1, 14.246
    4     2        ASSIGN                                                   !2, 0
    5     3        ASSIGN                                                   !3, <array>
    6     4        ASSIGN                                                   !4, 0
          5      > JMP                                                      ->31
    7     6    >   INIT_FCALL                                               'var_dump'
          7        SL                                               ~10     !2, 8
          8        SEND_VAL                                                 ~10
          9        DO_ICALL                                                 
    8    10        SL                                               ~12     !2, 8
         11        MUL                                              ~13     !4, 4
         12        SUB                                              ~14     28, ~13
         13        SR                                               ~15     !1, ~14
         14        MOD                                              ~16     ~15, 16
         15        FETCH_DIM_R                                      ~17     !3, ~16
         16        SL                                               ~18     ~17, 1
         17        ADD                                              ~19     ~12, ~18
         18        MUL                                              ~20     !4, 4
         19        SUB                                              ~21     28, ~20
         20        SR                                               ~22     !0, ~21
         21        MOD                                              ~23     ~22, 16
         22        FETCH_DIM_R                                      ~24     !3, ~23
         23        ADD                                              ~25     ~19, ~24
         24        ASSIGN                                                   !2, ~25
    9    25        INIT_FCALL                                               'var_dump'
         26        CONCAT                                           ~27     !4, '+%3E+'
         27        CONCAT                                           ~28     ~27, !2
         28        SEND_VAL                                                 ~28
         29        DO_ICALL                                                 
    6    30        PRE_INC                                                  !4
         31    >   IS_SMALLER                                               !4, 8
         32      > JMPNZ                                                    ~31, ->6
   11    33    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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