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<?php /** * Run it: php r30.php * Run it with a custom number of rows: php r30.php <number> * Have fun :) */ function createRows($numRows, $rule) { $getNextRow = function ($currRow) use ($rule) { $nextRow = [0, 0]; for ($i = 1, $iMax = count($currRow) - 1; $i < $iMax; $i++) { $nextRow[] = $rule[$currRow[$i - 1] . $currRow[$i] . $currRow[$i + 1]]; } array_push($nextRow, 0, 0); return $nextRow; }; $rows[0] = [0, 0, 1, 0, 0]; for ($i = 1; $i <= $numRows; $i++) { $rows[$i] = $getNextRow($rows[$i - 1]); } return $rows; } function displayRows($rows, $isDownwards, $micSleep) { $rowCount = count($rows); $getRow = function ($rows, $isDownwards) use ($rowCount) { if ($isDownwards === true) { for ($i = 0; $i < $rowCount; $i++) { yield [$i, $rows[$i]]; } } else { for ($i = $rowCount - 1; $i >= 0; $i--) { yield [$i, $rows[$i]]; } } }; foreach ($getRow($rows, $isDownwards) as [$pad, $row]) { echo str_repeat(' ', $rowCount - $pad); foreach ($row as $cell) { echo $cell === 1 ? '█' : ' '; } echo PHP_EOL; usleep($micSleep); } } // https://en.wikipedia.org/wiki/Rule_30 const RULE_30 = [ '111' => 0, '110' => 0, '101' => 0, '100' => 1, '011' => 1, '010' => 1, '001' => 1, '000' => 0, ]; $numRows = isset($argv[1]) && (int)$argv[1] > 0 && (int)$argv[1] <= 1000 ? (int)$argv[1] : 80; $rows = createRows($numRows, RULE_30); while (true) { displayRows($rows, true, 5000); displayRows($rows, false, 5000); }

Abusive script

This script was stopped while abusing our resources

Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
2 jumps found. (Code = 46) Position 1 = 8, Position 2 = 12
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 17
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
2 jumps found. (Code = 44) Position 1 = 37, Position 2 = 26
Branch analysis from position: 37
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
2 jumps found. (Code = 44) Position 1 = 37, Position 2 = 26
Branch analysis from position: 37
Branch analysis from position: 26
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
Branch analysis from position: 12
Branch analysis from position: 7
filename:       /in/bO716
function name:  (null)
number of ops:  38
compiled vars:  !0 = $numRows, !1 = $argv, !2 = $rows
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   46     0  E >   DECLARE_CONST                                                'RULE_30', <array>
   56     1        ISSET_ISEMPTY_DIM_OBJ                             0  ~3      !1, 1
          2      > JMPZ_EX                                              ~3      ~3, ->7
          3    >   FETCH_DIM_R                                          ~4      !1, 1
          4        CAST                                              4  ~5      ~4
          5        IS_SMALLER                                           ~6      0, ~5
          6        BOOL                                                 ~3      ~6
          7    > > JMPZ_EX                                              ~3      ~3, ->12
          8    >   FETCH_DIM_R                                          ~7      !1, 1
          9        CAST                                              4  ~8      ~7
         10        IS_SMALLER_OR_EQUAL                                  ~9      ~8, 1000
         11        BOOL                                                 ~3      ~9
         12    > > JMPZ                                                         ~3, ->17
         13    >   FETCH_DIM_R                                          ~10     !1, 1
         14        CAST                                              4  ~11     ~10
         15        QM_ASSIGN                                            ~12     ~11
         16      > JMP                                                          ->18
         17    >   QM_ASSIGN                                            ~12     80
         18    >   ASSIGN                                                       !0, ~12
   57    19        INIT_FCALL                                                   'createrows'
         20        SEND_VAR                                                     !0
         21        FETCH_CONSTANT                                       ~14     'RULE_30'
         22        SEND_VAL                                                     ~14
         23        DO_FCALL                                          0  $15     
         24        ASSIGN                                                       !2, $15
   58    25      > JMP                                                          ->36
   59    26    >   INIT_FCALL                                                   'displayrows'
         27        SEND_VAR                                                     !2
         28        SEND_VAL                                                     <true>
         29        SEND_VAL                                                     5000
         30        DO_FCALL                                          0          
   60    31        INIT_FCALL                                                   'displayrows'
         32        SEND_VAR                                                     !2
         33        SEND_VAL                                                     <false>
         34        SEND_VAL                                                     5000
         35        DO_FCALL                                          0          
   58    36    > > JMPNZ                                                        <true>, ->26
   61    37    > > RETURN                                                       1

Function createrows:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 9
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 9
Branch analysis from position: 20
Branch analysis from position: 9
filename:       /in/bO716
function name:  createRows
number of ops:  22
compiled vars:  !0 = $numRows, !1 = $rule, !2 = $getNextRow, !3 = $rows, !4 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
    9     2        DECLARE_LAMBDA_FUNCTION                              ~5      [0]
          3        BIND_LEXICAL                                                 ~5, !1
          4        ASSIGN                                                       !2, ~5
   17     5        ASSIGN_DIM                                                   !3, 0
          6        OP_DATA                                                      <array>
   18     7        ASSIGN                                                       !4, 1
          8      > JMP                                                          ->18
   19     9    >   INIT_DYNAMIC_CALL                                            !2
         10        CHECK_FUNC_ARG                                               
         11        SUB                                                  ~10     !4, 1
         12        FETCH_DIM_FUNC_ARG                                   $11     !3, ~10
         13        SEND_FUNC_ARG                                                $11
         14        DO_FCALL                                          0  $12     
         15        ASSIGN_DIM                                                   !3, !4
         16        OP_DATA                                                      $12
   18    17        PRE_INC                                                      !4
         18    >   IS_SMALLER_OR_EQUAL                                          !4, !0
         19      > JMPNZ                                                        ~14, ->9
   21    20    > > RETURN                                                       !3
   22    21*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 8
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 8
Branch analysis from position: 21
Branch analysis from position: 8
filename:       /in/bO716
function name:  {closure:createRows():9}
number of ops:  28
compiled vars:  !0 = $currRow, !1 = $rule, !2 = $nextRow, !3 = $i, !4 = $iMax
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
   10     2        ASSIGN                                                       !2, <array>
   11     3        ASSIGN                                                       !3, 1
          4        COUNT                                                ~7      !0
          5        SUB                                                  ~8      ~7, 1
          6        ASSIGN                                                       !4, ~8
          7      > JMP                                                          ->19
   12     8    >   SUB                                                  ~11     !3, 1
          9        FETCH_DIM_R                                          ~12     !0, ~11
         10        FETCH_DIM_R                                          ~13     !0, !3
         11        CONCAT                                               ~14     ~12, ~13
         12        ADD                                                  ~15     !3, 1
         13        FETCH_DIM_R                                          ~16     !0, ~15
         14        CONCAT                                               ~17     ~14, ~16
         15        FETCH_DIM_R                                          ~18     !1, ~17
         16        ASSIGN_DIM                                                   !2
         17        OP_DATA                                                      ~18
   11    18        PRE_INC                                                      !3
         19    >   IS_SMALLER                                                   !3, !4
         20      > JMPNZ                                                        ~20, ->8
   14    21    >   INIT_FCALL                                                   'array_push'
         22        SEND_REF                                                     !2
         23        SEND_VAL                                                     0
         24        SEND_VAL                                                     0
         25        DO_ICALL                                                     
   15    26      > RETURN                                                       !2
   16    27*     > RETURN                                                       null

End of Dynamic Function 0

End of function createrows

Function displayrows:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 13, Position 2 = 40
Branch analysis from position: 13
2 jumps found. (Code = 78) Position 1 = 14, Position 2 = 40
Branch analysis from position: 14
2 jumps found. (Code = 77) Position 1 = 26, Position 2 = 34
Branch analysis from position: 26
2 jumps found. (Code = 78) Position 1 = 27, Position 2 = 34
Branch analysis from position: 27
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 31
Branch analysis from position: 29
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
Branch analysis from position: 31
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
Branch analysis from position: 34
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 34
Branch analysis from position: 40
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 40
filename:       /in/bO716
function name:  displayRows
number of ops:  42
compiled vars:  !0 = $rows, !1 = $isDownwards, !2 = $micSleep, !3 = $rowCount, !4 = $getRow, !5 = $pad, !6 = $row, !7 = $cell
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   23     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        RECV                                                 !2      
   24     3        COUNT                                                ~8      !0
          4        ASSIGN                                                       !3, ~8
   25     5        DECLARE_LAMBDA_FUNCTION                              ~10     [0]
          6        BIND_LEXICAL                                                 ~10, !3
          7        ASSIGN                                                       !4, ~10
   36     8        INIT_DYNAMIC_CALL                                            !4
          9        SEND_VAR_EX                                                  !0
         10        SEND_VAR_EX                                                  !1
         11        DO_FCALL                                          0  $12     
         12      > FE_RESET_R                                           $13     $12, ->40
         13    > > FE_FETCH_R                                                   $13, $14, ->40
         14    >   FETCH_LIST_R                                         $15     $14, 0
         15        ASSIGN                                                       !5, $15
         16        FETCH_LIST_R                                         $17     $14, 1
         17        ASSIGN                                                       !6, $17
         18        FREE                                                         $14
   37    19        INIT_FCALL                                                   'str_repeat'
         20        SEND_VAL                                                     '+'
         21        SUB                                                  ~19     !3, !5
         22        SEND_VAL                                                     ~19
         23        DO_ICALL                                             $20     
         24        ECHO                                                         $20
   38    25      > FE_RESET_R                                           $21     !6, ->34
         26    > > FE_FETCH_R                                                   $21, !7, ->34
   39    27    >   IS_IDENTICAL                                                 !7, 1
         28      > JMPZ                                                         ~22, ->31
         29    >   QM_ASSIGN                                            ~23     '%E2%96%88'
         30      > JMP                                                          ->32
         31    >   QM_ASSIGN                                            ~23     '+'
         32    >   ECHO                                                         ~23
   38    33      > JMP                                                          ->26
         34    >   FE_FREE                                                      $21
   41    35        ECHO                                                         '%0A'
   42    36        INIT_FCALL                                                   'usleep'
         37        SEND_VAR                                                     !2
         38        DO_ICALL                                                     
   36    39      > JMP                                                          ->13
         40    >   FE_FREE                                                      $13
   44    41      > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 16
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 8
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 8
Branch analysis from position: 15
Branch analysis from position: 8
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
2 jumps found. (Code = 44) Position 1 = 26, Position 2 = 19
Branch analysis from position: 26
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 26, Position 2 = 19
Branch analysis from position: 26
Branch analysis from position: 19
filename:       /in/bO716
function name:  {closure:displayRows():25}
number of ops:  27
compiled vars:  !0 = $rows, !1 = $isDownwards, !2 = $rowCount, !3 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   25     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        GENERATOR_CREATE                                             
          3        BIND_STATIC                                                  !2
   26     4        TYPE_CHECK                                        8          !1
          5      > JMPZ                                                         ~4, ->16
   27     6    >   ASSIGN                                                       !3, 0
          7      > JMP                                                          ->13
   28     8    >   INIT_ARRAY                                           ~6      !3
          9        FETCH_DIM_R                                          ~7      !0, !3
         10        ADD_ARRAY_ELEMENT                                    ~6      ~7
         11        YIELD                                                        ~6
   27    12        PRE_INC                                                      !3
         13    >   IS_SMALLER                                                   !3, !2
         14      > JMPNZ                                                        ~10, ->8
   26    15    > > JMP                                                          ->26
   31    16    >   SUB                                                  ~11     !2, 1
         17        ASSIGN                                                       !3, ~11
         18      > JMP                                                          ->24
   32    19    >   INIT_ARRAY                                           ~13     !3
         20        FETCH_DIM_R                                          ~14     !0, !3
         21        ADD_ARRAY_ELEMENT                                    ~13     ~14
         22        YIELD                                                        ~13
   31    23        PRE_DEC                                                      !3
         24    >   IS_SMALLER_OR_EQUAL                                          0, !3
         25      > JMPNZ                                                        ~17, ->19
   35    26    > > GENERATOR_RETURN                                             

End of Dynamic Function 0

End of function displayrows

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
203.53 ms | 7627 KiB | 19 Q