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<?php function is_divisable_by_three($number) { $sum = 0; for ($i = 0; $i < strlen($number); $i++) { $sum += $number[$i]; } if ($sum % 3 === 0) { return true; } return false; } echo is_divisable_by_three(23);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HKjnk
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'is_divisable_by_three'
          1        SEND_VAL                                                 23
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4      > RETURN                                                   1

Function is_divisable_by_three:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 4
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 14
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 4
Branch analysis from position: 10
Branch analysis from position: 4
filename:       /in/HKjnk
function name:  is_divisable_by_three
number of ops:  16
compiled vars:  !0 = $number, !1 = $sum, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        ASSIGN                                                   !1, 0
    4     2        ASSIGN                                                   !2, 0
          3      > JMP                                                      ->7
    5     4    >   FETCH_DIM_R                                      ~5      !0, !2
          5        ASSIGN_OP                                     1          !1, ~5
    4     6        PRE_INC                                                  !2
          7    >   STRLEN                                           ~8      !0
          8        IS_SMALLER                                               !2, ~8
          9      > JMPNZ                                                    ~9, ->4
    7    10    >   MOD                                              ~10     !1, 3
         11        IS_IDENTICAL                                             ~10, 0
         12      > JMPZ                                                     ~11, ->14
    8    13    > > RETURN                                                   <true>
   10    14    > > RETURN                                                   <false>
   11    15*     > RETURN                                                   null

End of function is_divisable_by_three

Generated using Vulcan Logic Dumper, using php 8.0.0


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