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<?php function isEven(int $num): bool { if ($num % 2 == 0) { return true; } else { return false; } } function pattern(int $num): void { for ($i = $num; $i > 1;) { if (isEven($i)) { $i = $i / 2; echo $i . " "; } else if (!isEven($i)) { $i = $i * 3 + 1; echo $i . " "; } } } $num = pow(2, 32); pattern($num);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dAtT9
function name:  (null)
number of ops:  9
compiled vars:  !0 = $num
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   27     0  E >   INIT_FCALL                                               'pow'
          1        SEND_VAL                                                 2
          2        SEND_VAL                                                 32
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
   29     5        INIT_FCALL                                               'pattern'
          6        SEND_VAR                                                 !0
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Function iseven:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dAtT9
function name:  isEven
number of ops:  9
compiled vars:  !0 = $num
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    6     1        MOD                                              ~1      !0, 2
          2        IS_EQUAL                                                 ~1, 0
          3      > JMPZ                                                     ~2, ->6
    7     4    > > RETURN                                                   <true>
          5*       JMP                                                      ->7
    9     6    > > RETURN                                                   <false>
   11     7*       VERIFY_RETURN_TYPE                                       
          8*     > RETURN                                                   null

End of function iseven

Function pattern:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 3
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 22
Branch analysis from position: 17
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 3
Branch analysis from position: 24
Branch analysis from position: 3
Branch analysis from position: 22
filename:       /in/dAtT9
function name:  pattern
number of ops:  25
compiled vars:  !0 = $num, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
   15     1        ASSIGN                                                   !1, !0
          2      > JMP                                                      ->22
   16     3    >   INIT_FCALL                                               'iseven'
          4        SEND_VAR                                                 !1
          5        DO_FCALL                                      0  $3      
          6      > JMPZ                                                     $3, ->12
   17     7    >   DIV                                              ~4      !1, 2
          8        ASSIGN                                                   !1, ~4
   18     9        CONCAT                                           ~6      !1, '+'
         10        ECHO                                                     ~6
         11      > JMP                                                      ->22
   19    12    >   INIT_FCALL                                               'iseven'
         13        SEND_VAR                                                 !1
         14        DO_FCALL                                      0  $7      
         15        BOOL_NOT                                         ~8      $7
         16      > JMPZ                                                     ~8, ->22
   20    17    >   MUL                                              ~9      !1, 3
         18        ADD                                              ~10     ~9, 1
         19        ASSIGN                                                   !1, ~10
   21    20        CONCAT                                           ~12     !1, '+'
         21        ECHO                                                     ~12
   15    22    >   IS_SMALLER                                               1, !1
         23      > JMPNZ                                                    ~13, ->3
   25    24    > > RETURN                                                   null

End of function pattern

Generated using Vulcan Logic Dumper, using php 8.0.0


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