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<?php ini_set('memory_limit', '64M'); define('N', 100); register_shutdown_function(function() { global $max; $y = []; for ($i = 0; $i < N; $i++) { var_dump($i); $y[] = str_repeat('asdf', $max); } var_dump('end'); }); $x = array_fill(0, N, ''); $max = 0; $i = 0; while (true) { $x[$i] .= 'asdf'; if (++$i >= N) { $i = 0; $max++; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 44) Position 1 = 31, Position 2 = 22
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 22
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 30
Branch analysis from position: 28
2 jumps found. (Code = 44) Position 1 = 31, Position 2 = 22
Branch analysis from position: 31
Branch analysis from position: 22
Branch analysis from position: 30
filename:       /in/BqfvU
function name:  (null)
number of ops:  32
compiled vars:  !0 = $x, !1 = $max, !2 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'ini_set'
          1        SEND_VAL                                                     'memory_limit'
          2        SEND_VAL                                                     '64M'
          3        DO_ICALL                                                     
    5     4        INIT_FCALL                                                   'define'
          5        SEND_VAL                                                     'N'
          6        SEND_VAL                                                     100
          7        DO_ICALL                                                     
    7     8        INIT_FCALL                                                   'register_shutdown_function'
          9        DECLARE_LAMBDA_FUNCTION                              ~5      [0]
   18    10        SEND_VAL                                                     ~5
    7    11        DO_ICALL                                                     
   20    12        INIT_FCALL                                                   'array_fill'
         13        SEND_VAL                                                     0
         14        FETCH_CONSTANT                                       ~7      'N'
         15        SEND_VAL                                                     ~7
         16        SEND_VAL                                                     ''
         17        DO_ICALL                                             $8      
         18        ASSIGN                                                       !0, $8
   22    19        ASSIGN                                                       !1, 0
   23    20        ASSIGN                                                       !2, 0
   25    21      > JMP                                                          ->30
   27    22    >   ASSIGN_DIM_OP                    .=               8          !0, !2
         23        OP_DATA                                                      'asdf'
   29    24        PRE_INC                                              ~13     !2
         25        FETCH_CONSTANT                                       ~14     'N'
         26        IS_SMALLER_OR_EQUAL                                          ~14, ~13
         27      > JMPZ                                                         ~15, ->30
   31    28    >   ASSIGN                                                       !2, 0
   32    29        PRE_INC                                                      !1
   25    30    > > JMPNZ                                                        <true>, ->22
   34    31    > > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 4
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 4
Branch analysis from position: 17
Branch analysis from position: 4
filename:       /in/BqfvU
function name:  {closure:/in/BqfvU:7}
number of ops:  21
compiled vars:  !0 = $max, !1 = $y, !2 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   BIND_GLOBAL                                                  !0, 'max'
   10     1        ASSIGN                                                       !1, <array>
   11     2        ASSIGN                                                       !2, 0
          3      > JMP                                                          ->14
   13     4    >   INIT_FCALL                                                   'var_dump'
          5        SEND_VAR                                                     !2
          6        DO_ICALL                                                     
   14     7        INIT_FCALL                                                   'str_repeat'
          8        SEND_VAL                                                     'asdf'
          9        SEND_VAR                                                     !0
         10        DO_ICALL                                             $7      
         11        ASSIGN_DIM                                                   !1
         12        OP_DATA                                                      $7
   11    13        PRE_INC                                                      !2
         14    >   FETCH_CONSTANT                                       ~9      'N'
         15        IS_SMALLER                                                   !2, ~9
         16      > JMPNZ                                                        ~10, ->4
   17    17    >   INIT_FCALL                                                   'var_dump'
         18        SEND_VAL                                                     'end'
         19        DO_ICALL                                                     
   18    20      > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
161.09 ms | 2164 KiB | 19 Q