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<?php $t1 = microtime(true); $i = 1000; $a; while ($i--) { $a = 1; } echo (microtime(true) - $t1) * 1000000;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 6
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 6
Branch analysis from position: 9
Branch analysis from position: 6
filename:       /in/1lPWu
function name:  (null)
number of ops:  16
compiled vars:  !0 = $t1, !1 = $i, !2 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'microtime'
          1        SEND_VAL                                                 <true>
          2        DO_ICALL                                         $3      
          3        ASSIGN                                                   !0, $3
    4     4        ASSIGN                                                   !1, 1000
    7     5      > JMP                                                      ->7
    9     6    >   ASSIGN                                                   !2, 1
    7     7    >   POST_DEC                                         ~7      !1
          8      > JMPNZ                                                    ~7, ->6
   13     9    >   INIT_FCALL                                               'microtime'
         10        SEND_VAL                                                 <true>
         11        DO_ICALL                                         $8      
         12        SUB                                              ~9      $8, !0
         13        MUL                                              ~10     ~9, 1000000
         14        ECHO                                                     ~10
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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