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<?php $myarray = array( array( 0 => 0, 1 => 70, 2 => 19, 3 => 0 ), array( 0 => 0, 1 => 24, 2 => 14 ), array( 0 => 0, 1 => 15, 2 => 11, 3 => 0 ), array( 0 => 0, 1 => 15, 2 => 27, 3 => 0 ) ); foreach($myarray as $k => $values) { if (isset($myarray[$k+1])){ $max = max(sizeof($values), sizeof($myarray[$k+1])); for($i = 0; $i < $max; ++$i) { $result[$k][$i] = (isset($values[$i]) ? $values[$i] : 0) - (isset($myarray[$k+1][$i]) ? $myarray[$k+1][$i] : 0); } } else { $result[$k] = $values; } } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 45
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 45
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 42
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 39
Branch analysis from position: 39
2 jumps found. (Code = 44) Position 1 = 41, Position 2 = 18
Branch analysis from position: 41
1 jumps found. (Code = 42) Position 1 = 44
Branch analysis from position: 44
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 20, Position 2 = 23
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 33
Branch analysis from position: 28
1 jumps found. (Code = 42) Position 1 = 34
Branch analysis from position: 34
2 jumps found. (Code = 44) Position 1 = 41, Position 2 = 18
Branch analysis from position: 41
Branch analysis from position: 18
Branch analysis from position: 33
2 jumps found. (Code = 44) Position 1 = 41, Position 2 = 18
Branch analysis from position: 41
Branch analysis from position: 18
Branch analysis from position: 23
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 33
Branch analysis from position: 28
Branch analysis from position: 33
Branch analysis from position: 42
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 45
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 45
filename:       /in/4uRYW
function name:  (null)
number of ops:  50
compiled vars:  !0 = $myarray, !1 = $values, !2 = $k, !3 = $max, !4 = $i, !5 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   28     1      > FE_RESET_R                                       $7      !0, ->45
          2    > > FE_FETCH_R                                       ~8      $7, !1, ->45
          3    >   ASSIGN                                                   !2, ~8
   29     4        ADD                                              ~10     !2, 1
          5        ISSET_ISEMPTY_DIM_OBJ                         0          !0, ~10
          6      > JMPZ                                                     ~11, ->42
   30     7    >   INIT_FCALL                                               'max'
          8        COUNT                                            ~12     !1
          9        SEND_VAL                                                 ~12
         10        ADD                                              ~13     !2, 1
         11        FETCH_DIM_R                                      ~14     !0, ~13
         12        COUNT                                            ~15     ~14
         13        SEND_VAL                                                 ~15
         14        DO_ICALL                                         $16     
         15        ASSIGN                                                   !3, $16
   31    16        ASSIGN                                                   !4, 0
         17      > JMP                                                      ->39
   32    18    >   ISSET_ISEMPTY_DIM_OBJ                         0          !1, !4
         19      > JMPZ                                                     ~21, ->23
         20    >   FETCH_DIM_R                                      ~22     !1, !4
         21        QM_ASSIGN                                        ~23     ~22
         22      > JMP                                                      ->24
         23    >   QM_ASSIGN                                        ~23     0
         24    >   ADD                                              ~24     !2, 1
         25        FETCH_DIM_IS                                     ~25     !0, ~24
         26        ISSET_ISEMPTY_DIM_OBJ                         0          ~25, !4
         27      > JMPZ                                                     ~26, ->33
         28    >   ADD                                              ~27     !2, 1
         29        FETCH_DIM_R                                      ~28     !0, ~27
         30        FETCH_DIM_R                                      ~29     ~28, !4
         31        QM_ASSIGN                                        ~30     ~29
         32      > JMP                                                      ->34
         33    >   QM_ASSIGN                                        ~30     0
         34    >   SUB                                              ~31     ~23, ~30
         35        FETCH_DIM_W                                      $19     !5, !2
         36        ASSIGN_DIM                                               $19, !4
         37        OP_DATA                                                  ~31
   31    38        PRE_INC                                                  !4
         39    >   IS_SMALLER                                               !4, !3
         40      > JMPNZ                                                    ~33, ->18
         41    > > JMP                                                      ->44
   35    42    >   ASSIGN_DIM                                               !5, !2
         43        OP_DATA                                                  !1
   28    44    > > JMP                                                      ->2
         45    >   FE_FREE                                                  $7
   39    46        INIT_FCALL                                               'var_export'
         47        SEND_VAR                                                 !5
         48        DO_ICALL                                                 
         49      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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157.25 ms | 1405 KiB | 17 Q