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<?php list($msec, $sec) = explode(' ', microtime()); echo $msec*1000; echo str_pad(round($msec*1000, 0), 3, '0');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fKC6V
function name:  (null)
number of ops:  25
compiled vars:  !0 = $msec, !1 = $sec
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'explode'
          1        SEND_VAL                                                 '+'
          2        INIT_FCALL                                               'microtime'
          3        DO_ICALL                                         $2      
          4        SEND_VAR                                                 $2
          5        DO_ICALL                                         $3      
          6        FETCH_LIST_R                                     $4      $3, 0
          7        ASSIGN                                                   !0, $4
          8        FETCH_LIST_R                                     $6      $3, 1
          9        ASSIGN                                                   !1, $6
         10        FREE                                                     $3
    3    11        MUL                                              ~8      !0, 1000
         12        ECHO                                                     ~8
    4    13        INIT_FCALL                                               'str_pad'
         14        INIT_FCALL                                               'round'
         15        MUL                                              ~9      !0, 1000
         16        SEND_VAL                                                 ~9
         17        SEND_VAL                                                 0
         18        DO_ICALL                                         $10     
         19        SEND_VAR                                                 $10
         20        SEND_VAL                                                 3
         21        SEND_VAL                                                 '0'
         22        DO_ICALL                                         $11     
         23        ECHO                                                     $11
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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