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<?php var_dump(winePacking(33)); var_dump(winePacking(48)); var_dump(winePacking(26)); var_dump(winePacking(35)); var_dump(winePacking(61)); var_dump(winePacking(21)); var_dump(winePacking(87)); function winePacking(int $bottles): bool { return ($bottles % 6 == 0 || ($bottles % 21) % 3 == 0); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bTQHe
function name:  (null)
number of ops:  43
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL_BY_NAME                                       'winePacking'
          2        SEND_VAL_EX                                              33
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL_BY_NAME                                       'winePacking'
          8        SEND_VAL_EX                                              48
          9        DO_FCALL                                      0  $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
    5    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL_BY_NAME                                       'winePacking'
         14        SEND_VAL_EX                                              26
         15        DO_FCALL                                      0  $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
    6    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL_BY_NAME                                       'winePacking'
         20        SEND_VAL_EX                                              35
         21        DO_FCALL                                      0  $6      
         22        SEND_VAR                                                 $6
         23        DO_ICALL                                                 
    7    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL_BY_NAME                                       'winePacking'
         26        SEND_VAL_EX                                              61
         27        DO_FCALL                                      0  $8      
         28        SEND_VAR                                                 $8
         29        DO_ICALL                                                 
    8    30        INIT_FCALL                                               'var_dump'
         31        INIT_FCALL_BY_NAME                                       'winePacking'
         32        SEND_VAL_EX                                              21
         33        DO_FCALL                                      0  $10     
         34        SEND_VAR                                                 $10
         35        DO_ICALL                                                 
    9    36        INIT_FCALL                                               'var_dump'
         37        INIT_FCALL_BY_NAME                                       'winePacking'
         38        SEND_VAL_EX                                              87
         39        DO_FCALL                                      0  $12     
         40        SEND_VAR                                                 $12
         41        DO_ICALL                                                 
   13    42      > RETURN                                                   1

Function winepacking:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/bTQHe
function name:  winePacking
number of ops:  12
compiled vars:  !0 = $bottles
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        MOD                                              ~1      !0, 6
          2        IS_EQUAL                                         ~2      ~1, 0
          3      > JMPNZ_EX                                         ~2      ~2, ->8
          4    >   MOD                                              ~3      !0, 21
          5        MOD                                              ~4      ~3, 3
          6        IS_EQUAL                                         ~5      ~4, 0
          7        BOOL                                             ~2      ~5
          8    >   VERIFY_RETURN_TYPE                                       ~2
          9      > RETURN                                                   ~2
   13    10*       VERIFY_RETURN_TYPE                                       
         11*     > RETURN                                                   null

End of function winepacking

Generated using Vulcan Logic Dumper, using php 8.0.0


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