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<?php $t1 = microtime(true); for($i = 1; $i < 1000; $i++) { for($i = 1; $i < 1000; $i++) { $varArray1[] = $i ** ($i * 2); if($i%2==0) $varArray2[] = $i ** ($i * 2); else $varArray2[] = $i ** ($i * 4); } array_diff($varArray1,$varArray2); } $t2 = microtime(true); echo $t2 - $t1;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 6
Branch analysis from position: 34
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 8
Branch analysis from position: 27
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 6
Branch analysis from position: 34
Branch analysis from position: 6
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 20
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 8
Branch analysis from position: 27
Branch analysis from position: 8
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 8
Branch analysis from position: 27
Branch analysis from position: 8
filename:       /in/B7HSa
function name:  (null)
number of ops:  41
compiled vars:  !0 = $t1, !1 = $i, !2 = $varArray1, !3 = $varArray2, !4 = $t2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'microtime'
          1        SEND_VAL                                                 <true>
          2        DO_ICALL                                         $5      
          3        ASSIGN                                                   !0, $5
    3     4        ASSIGN                                                   !1, 1
          5      > JMP                                                      ->32
    4     6    >   ASSIGN                                                   !1, 1
          7      > JMP                                                      ->25
    5     8    >   MUL                                              ~10     !1, 2
          9        POW                                              ~11     !1, ~10
         10        ASSIGN_DIM                                               !2
         11        OP_DATA                                                  ~11
    6    12        MOD                                              ~12     !1, 2
         13        IS_EQUAL                                                 ~12, 0
         14      > JMPZ                                                     ~13, ->20
         15    >   MUL                                              ~15     !1, 2
         16        POW                                              ~16     !1, ~15
         17        ASSIGN_DIM                                               !3
         18        OP_DATA                                                  ~16
         19      > JMP                                                      ->24
    7    20    >   MUL                                              ~18     !1, 4
         21        POW                                              ~19     !1, ~18
         22        ASSIGN_DIM                                               !3
         23        OP_DATA                                                  ~19
    4    24    >   PRE_INC                                                  !1
         25    >   IS_SMALLER                                               !1, 1000
         26      > JMPNZ                                                    ~21, ->8
    9    27    >   INIT_FCALL                                               'array_diff'
         28        SEND_VAR                                                 !2
         29        SEND_VAR                                                 !3
         30        DO_ICALL                                                 
    3    31        PRE_INC                                                  !1
         32    >   IS_SMALLER                                               !1, 1000
         33      > JMPNZ                                                    ~24, ->6
   11    34    >   INIT_FCALL                                               'microtime'
         35        SEND_VAL                                                 <true>
         36        DO_ICALL                                         $25     
         37        ASSIGN                                                   !4, $25
   12    38        SUB                                              ~27     !4, !0
         39        ECHO                                                     ~27
         40      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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