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<?php $a = array(); for ($i = 0; $i < 100000; ++$i) $a[] = rand(); $t = microtime(true); echo (microtime(true) - $t) * 1000000;
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 = 3
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 3
Branch analysis from position: 10
Branch analysis from position: 3
filename:       /in/3dvIP
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a, !1 = $i, !2 = $t
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, 0
          2      > JMP                                                      ->8
    6     3    >   INIT_FCALL                                               'rand'
          4        DO_ICALL                                         $6      
          5        ASSIGN_DIM                                               !0
          6        OP_DATA                                                  $6
    5     7        PRE_INC                                                  !1
          8    >   IS_SMALLER                                               !1, 100000
          9      > JMPNZ                                                    ~8, ->3
    8    10    >   INIT_FCALL                                               'microtime'
         11        SEND_VAL                                                 <true>
         12        DO_ICALL                                         $9      
         13        ASSIGN                                                   !2, $9
   10    14        INIT_FCALL                                               'microtime'
         15        SEND_VAL                                                 <true>
         16        DO_ICALL                                         $11     
         17        SUB                                              ~12     $11, !2
         18        MUL                                              ~13     ~12, 1000000
         19        ECHO                                                     ~13
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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