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<?php function compare_arrays($array_1, $array_2) { $count_1 = count($array_1); $count_2 = count($array_2); for ($i = 0; $i < $count_1 - $count_2 + 1; $i++) { if ($array_1[$i] == $array_2[0]) { for ($j = 1; $j < $count_2 && $i + $j < $count_1; $j++) { if ($array_1[$i+$j] != $array_2[$j]) break; } if ($j == $count_2) return true; } } return false; } $array_1 = ['A', 'B', 'C', 'D', 'E', 'F']; $array_2 = ['B', 'C', 'D']; echo compare_arrays($array_1, $array_2) ? "true\n" : "false\n"; $array_2 = ['C', 'D', 'B']; echo compare_arrays($array_1, $array_2) ? "true\n" : "false\n"; $array_2 = ['B', 'D', 'E']; echo compare_arrays($array_1, $array_2) ? "true\n" : "false\n"; $array_2 = ['A', 'B', 'C']; echo compare_arrays($array_1, $array_2) ? "true\n" : "false\n"; $array_1 = ['A', 'C', 'C', 'D', 'E', 'F']; $array_2 = ['C', 'D', 'E']; echo compare_arrays($array_1, $array_2) ? "true\n" : "false\n";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 29
Branch analysis from position: 27
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 43) Position 1 = 37, Position 2 = 39
Branch analysis from position: 37
1 jumps found. (Code = 42) Position 1 = 40
Branch analysis from position: 40
2 jumps found. (Code = 43) Position 1 = 48, Position 2 = 50
Branch analysis from position: 48
1 jumps found. (Code = 42) Position 1 = 51
Branch analysis from position: 51
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 50
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 39
2 jumps found. (Code = 43) Position 1 = 48, Position 2 = 50
Branch analysis from position: 48
Branch analysis from position: 50
Branch analysis from position: 29
2 jumps found. (Code = 43) Position 1 = 37, Position 2 = 39
Branch analysis from position: 37
Branch analysis from position: 39
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 29
Branch analysis from position: 27
Branch analysis from position: 29
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
Branch analysis from position: 19
filename:       /in/ZHo2p
function name:  (null)
number of ops:  53
compiled vars:  !0 = $array_1, !1 = $array_2
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   ASSIGN                                                       !0, <array>
   16     1        ASSIGN                                                       !1, <array>
   17     2        INIT_FCALL                                                   'compare_arrays'
          3        SEND_VAR                                                     !0
          4        SEND_VAR                                                     !1
          5        DO_FCALL                                          0  $4      
          6      > JMPZ                                                         $4, ->9
          7    >   QM_ASSIGN                                            ~5      'true%0A'
          8      > JMP                                                          ->10
          9    >   QM_ASSIGN                                            ~5      'false%0A'
         10    >   ECHO                                                         ~5
   18    11        ASSIGN                                                       !1, <array>
   19    12        INIT_FCALL                                                   'compare_arrays'
         13        SEND_VAR                                                     !0
         14        SEND_VAR                                                     !1
         15        DO_FCALL                                          0  $7      
         16      > JMPZ                                                         $7, ->19
         17    >   QM_ASSIGN                                            ~8      'true%0A'
         18      > JMP                                                          ->20
         19    >   QM_ASSIGN                                            ~8      'false%0A'
         20    >   ECHO                                                         ~8
   20    21        ASSIGN                                                       !1, <array>
   21    22        INIT_FCALL                                                   'compare_arrays'
         23        SEND_VAR                                                     !0
         24        SEND_VAR                                                     !1
         25        DO_FCALL                                          0  $10     
         26      > JMPZ                                                         $10, ->29
         27    >   QM_ASSIGN                                            ~11     'true%0A'
         28      > JMP                                                          ->30
         29    >   QM_ASSIGN                                            ~11     'false%0A'
         30    >   ECHO                                                         ~11
   22    31        ASSIGN                                                       !1, <array>
   23    32        INIT_FCALL                                                   'compare_arrays'
         33        SEND_VAR                                                     !0
         34        SEND_VAR                                                     !1
         35        DO_FCALL                                          0  $13     
         36      > JMPZ                                                         $13, ->39
         37    >   QM_ASSIGN                                            ~14     'true%0A'
         38      > JMP                                                          ->40
         39    >   QM_ASSIGN                                            ~14     'false%0A'
         40    >   ECHO                                                         ~14
   24    41        ASSIGN                                                       !0, <array>
   25    42        ASSIGN                                                       !1, <array>
   26    43        INIT_FCALL                                                   'compare_arrays'
         44        SEND_VAR                                                     !0
         45        SEND_VAR                                                     !1
         46        DO_FCALL                                          0  $17     
         47      > JMPZ                                                         $17, ->50
         48    >   QM_ASSIGN                                            ~18     'true%0A'
         49      > JMP                                                          ->51
         50    >   QM_ASSIGN                                            ~18     'false%0A'
         51    >   ECHO                                                         ~18
         52      > RETURN                                                       1

Function compare_arrays:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
2 jumps found. (Code = 44) Position 1 = 35, Position 2 = 8
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 30
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
2 jumps found. (Code = 46) Position 1 = 23, Position 2 = 26
Branch analysis from position: 23
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 14
Branch analysis from position: 27
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 30
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 30
2 jumps found. (Code = 44) Position 1 = 35, Position 2 = 8
Branch analysis from position: 35
Branch analysis from position: 8
Branch analysis from position: 14
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 20
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
Branch analysis from position: 20
2 jumps found. (Code = 46) Position 1 = 23, Position 2 = 26
Branch analysis from position: 23
Branch analysis from position: 26
Branch analysis from position: 26
Branch analysis from position: 30
filename:       /in/ZHo2p
function name:  compare_arrays
number of ops:  37
compiled vars:  !0 = $array_1, !1 = $array_2, !2 = $count_1, !3 = $count_2, !4 = $i, !5 = $j
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
    3     2        COUNT                                                ~6      !0
          3        ASSIGN                                                       !2, ~6
    4     4        COUNT                                                ~8      !1
          5        ASSIGN                                                       !3, ~8
    5     6        ASSIGN                                                       !4, 0
          7      > JMP                                                          ->31
    6     8    >   FETCH_DIM_R                                          ~11     !0, !4
          9        FETCH_DIM_R                                          ~12     !1, 0
         10        IS_EQUAL                                                     ~11, ~12
         11      > JMPZ                                                         ~13, ->30
    7    12    >   ASSIGN                                                       !5, 1
         13      > JMP                                                          ->21
    8    14    >   ADD                                                  ~15     !4, !5
         15        FETCH_DIM_R                                          ~16     !0, ~15
         16        FETCH_DIM_R                                          ~17     !1, !5
         17        IS_NOT_EQUAL                                                 ~16, ~17
         18      > JMPZ                                                         ~18, ->20
         19    > > JMP                                                          ->27
    7    20    >   PRE_INC                                                      !5
         21    >   IS_SMALLER                                           ~20     !5, !3
         22      > JMPZ_EX                                              ~20     ~20, ->26
         23    >   ADD                                                  ~21     !4, !5
         24        IS_SMALLER                                           ~22     ~21, !2
         25        BOOL                                                 ~20     ~22
         26    > > JMPNZ                                                        ~20, ->14
   10    27    >   IS_EQUAL                                                     !5, !3
         28      > JMPZ                                                         ~23, ->30
         29    > > RETURN                                                       <true>
    5    30    >   PRE_INC                                                      !4
         31    >   SUB                                                  ~25     !2, !3
         32        ADD                                                  ~26     ~25, 1
         33        IS_SMALLER                                                   !4, ~26
         34      > JMPNZ                                                        ~27, ->8
   13    35    > > RETURN                                                       <false>
   14    36*     > RETURN                                                       null

End of function compare_arrays

Generated using Vulcan Logic Dumper, using php 8.5.0


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