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<?php $precision = 18; while ($precision--) { ini_set('precision', $precision); echo $precision . ":" . (342349.23 - 341765.07) . "\n"; } echo "\n"; $precision = 18; $foo = 342349.23; while ($precision--) { ini_set('precision', $precision); echo $precision . ":" . ($foo - 341765.07) . "\n"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 2
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 16
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 16
Branch analysis from position: 27
Branch analysis from position: 16
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 2
Branch analysis from position: 12
Branch analysis from position: 2
filename:       /in/jjJZP
function name:  (null)
number of ops:  28
compiled vars:  !0 = $precision, !1 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 18
    5     1      > JMP                                                      ->10
    6     2    >   INIT_FCALL                                               'ini_set'
          3        SEND_VAL                                                 'precision'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
    7     6        CONCAT                                           ~4      !0, '%3A'
          7        CONCAT                                           ~5      ~4, '584.15999999997'
          8        CONCAT                                           ~6      ~5, '%0A'
          9        ECHO                                                     ~6
    5    10    >   POST_DEC                                         ~7      !0
         11      > JMPNZ                                                    ~7, ->2
   10    12    >   ECHO                                                     '%0A'
   12    13        ASSIGN                                                   !0, 18
   13    14        ASSIGN                                                   !1, 342349
   15    15      > JMP                                                      ->25
   16    16    >   INIT_FCALL                                               'ini_set'
         17        SEND_VAL                                                 'precision'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                                 
   17    20        CONCAT                                           ~11     !0, '%3A'
         21        SUB                                              ~12     !1, 341765
         22        CONCAT                                           ~13     ~11, ~12
         23        CONCAT                                           ~14     ~13, '%0A'
         24        ECHO                                                     ~14
   15    25    >   POST_DEC                                         ~15     !0
         26      > JMPNZ                                                    ~15, ->16
   18    27    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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