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<?php $start = microtime(TRUE); $b = 0; for ($i; $i < 1000; $i++) { $b += $i; } echo $start - microtime(TRUE);
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 = 62) Position 1 = -2
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/JvIRG
function name:  (null)
number of ops:  16
compiled vars:  !0 = $start, !1 = $b, !2 = $i
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
    5     4        ASSIGN                                                   !1, 0
    6     5      > JMP                                                      ->8
    7     6    >   ASSIGN_OP                                     1          !1, !2
    6     7        PRE_INC                                                  !2
          8    >   IS_SMALLER                                               !2, 1000
          9      > JMPNZ                                                    ~8, ->6
   10    10    >   INIT_FCALL                                               'microtime'
         11        SEND_VAL                                                 <true>
         12        DO_ICALL                                         $9      
         13        SUB                                              ~10     !0, $9
         14        ECHO                                                     ~10
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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