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<?php $start = microtime(true); for($i = 0; $i < 10000; $i++){ $i = 5/4; } echo microtime(true) - $start; for($i = 0; $i < 10000; $i++){ $i = 5*4; } echo microtime(true) - $start; for($i = 0; $i < 10000; $i++){ $i = 5+4; } echo microtime(true) - $start; for($i = 0; $i < 10000; $i++){ $i = 5-4; } echo microtime(true) - $start;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 6
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 17
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 44) Position 1 = 32, Position 2 = 28
Branch analysis from position: 32
1 jumps found. (Code = 42) Position 1 = 41
Branch analysis from position: 41
2 jumps found. (Code = 44) Position 1 = 43, Position 2 = 39
Branch analysis from position: 43
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 39
2 jumps found. (Code = 44) Position 1 = 43, Position 2 = 39
Branch analysis from position: 43
Branch analysis from position: 39
Branch analysis from position: 28
2 jumps found. (Code = 44) Position 1 = 32, Position 2 = 28
Branch analysis from position: 32
Branch analysis from position: 28
Branch analysis from position: 17
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 17
Branch analysis from position: 21
Branch analysis from position: 17
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 6
Branch analysis from position: 10
Branch analysis from position: 6
filename:       /in/tneg3
function name:  (null)
number of ops:  49
compiled vars:  !0 = $start, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'microtime'
          1        SEND_VAL                                                 <true>
          2        DO_ICALL                                         $2      
          3        ASSIGN                                                   !0, $2
    3     4        ASSIGN                                                   !1, 0
          5      > JMP                                                      ->8
    4     6    >   ASSIGN                                                   !1, 1.25
    3     7        PRE_INC                                                  !1
          8    >   IS_SMALLER                                               !1, 10000
          9      > JMPNZ                                                    ~7, ->6
    6    10    >   INIT_FCALL                                               'microtime'
         11        SEND_VAL                                                 <true>
         12        DO_ICALL                                         $8      
         13        SUB                                              ~9      $8, !0
         14        ECHO                                                     ~9
    7    15        ASSIGN                                                   !1, 0
         16      > JMP                                                      ->19
    8    17    >   ASSIGN                                                   !1, 20
    7    18        PRE_INC                                                  !1
         19    >   IS_SMALLER                                               !1, 10000
         20      > JMPNZ                                                    ~13, ->17
   10    21    >   INIT_FCALL                                               'microtime'
         22        SEND_VAL                                                 <true>
         23        DO_ICALL                                         $14     
         24        SUB                                              ~15     $14, !0
         25        ECHO                                                     ~15
   11    26        ASSIGN                                                   !1, 0
         27      > JMP                                                      ->30
   12    28    >   ASSIGN                                                   !1, 9
   11    29        PRE_INC                                                  !1
         30    >   IS_SMALLER                                               !1, 10000
         31      > JMPNZ                                                    ~19, ->28
   14    32    >   INIT_FCALL                                               'microtime'
         33        SEND_VAL                                                 <true>
         34        DO_ICALL                                         $20     
         35        SUB                                              ~21     $20, !0
         36        ECHO                                                     ~21
   15    37        ASSIGN                                                   !1, 0
         38      > JMP                                                      ->41
   16    39    >   ASSIGN                                                   !1, 1
   15    40        PRE_INC                                                  !1
         41    >   IS_SMALLER                                               !1, 10000
         42      > JMPNZ                                                    ~25, ->39
   18    43    >   INIT_FCALL                                               'microtime'
         44        SEND_VAL                                                 <true>
         45        DO_ICALL                                         $26     
         46        SUB                                              ~27     $26, !0
         47        ECHO                                                     ~27
         48      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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150.81 ms | 1392 KiB | 15 Q