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<?php class GreatestCommonDivisor { /** * Get the divisor of a given number. * * @param int $num * The number. * * @return int[] * The divisors of the number. */ private function factors(int $num): array { return array_filter( range(1, $num), function (int $i) use ($num) { return 0 === $num % $i; } ); } /** * Get the greatest common divisor. * * @param int ...$x * The numbers. * * @return int * The greatest common divisor. */ public function gcd(...$x): int { $x = array_map([$this, 'factors'], $x); $intersect = array_intersect(...$x); return end($intersect); } } trait gcdTrait { /** * Get the greatest common divisor. * * @param int ...$x * The first number. * * @return int * The greatest common divisor. */ function gcd(...$x): int { return (new GreatestCommonDivisor())->gcd(...$x); } } class customClass { use gcdTrait; } $foo = new customClass(); echo $foo->gcd(10, 20, 45);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LCmNp
function name:  (null)
number of ops:  11
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   60     0  E >   DECLARE_CLASS                                                'customclass'
   64     1        NEW                                                  $1      'customClass'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $1
   66     4        INIT_METHOD_CALL                                             !0, 'gcd'
          5        SEND_VAL_EX                                                  10
          6        SEND_VAL_EX                                                  20
          7        SEND_VAL_EX                                                  45
          8        DO_FCALL                                          0  $4      
          9        ECHO                                                         $4
         10      > RETURN                                                       1

Class GreatestCommonDivisor:
Function factors:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LCmNp
function name:  factors
number of ops:  15
compiled vars:  !0 = $num
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   RECV                                                 !0      
   16     1        INIT_FCALL                                                   'array_filter'
   17     2        INIT_FCALL                                                   'range'
          3        SEND_VAL                                                     1
          4        SEND_VAR                                                     !0
          5        DO_ICALL                                             $1      
          6        SEND_VAR                                                     $1
   18     7        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          8        BIND_LEXICAL                                                 ~2, !0
   20     9        SEND_VAL                                                     ~2
   16    10        DO_ICALL                                             $3      
   20    11        VERIFY_RETURN_TYPE                                           $3
         12      > RETURN                                                       $3
   22    13*       VERIFY_RETURN_TYPE                                           
         14*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LCmNp
function name:  {closure:GreatestCommonDivisor::factors():18}
number of ops:  6
compiled vars:  !0 = $i, !1 = $num
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
   19     2        MOD                                                  ~2      !1, !0
          3        IS_IDENTICAL                                         ~3      ~2, 0
          4      > RETURN                                                       ~3
   20     5*     > RETURN                                                       null

End of Dynamic Function 0

End of function factors

Function gcd:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LCmNp
function name:  gcd
number of ops:  21
compiled vars:  !0 = $x, !1 = $intersect
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   33     0  E >   RECV_VARIADIC                                        !0      
   35     1        INIT_FCALL                                                   'array_map'
          2        FETCH_THIS                                           ~2      
          3        INIT_ARRAY                                           ~3      ~2
          4        ADD_ARRAY_ELEMENT                                    ~3      'factors'
          5        SEND_VAL                                                     ~3
          6        SEND_VAR                                                     !0
          7        DO_ICALL                                             $4      
          8        ASSIGN                                                       !0, $4
   37     9        INIT_FCALL                                                   'array_intersect'
         10        SEND_UNPACK                                                  !0
         11        CHECK_UNDEF_ARGS                                             
         12        DO_ICALL                                             $6      
         13        ASSIGN                                                       !1, $6
   39    14        INIT_FCALL                                                   'end'
         15        SEND_REF                                                     !1
         16        DO_ICALL                                             $8      
         17        VERIFY_RETURN_TYPE                                           $8
         18      > RETURN                                                       $8
   40    19*       VERIFY_RETURN_TYPE                                           
         20*     > RETURN                                                       null

End of function gcd

End of class GreatestCommonDivisor.

Class gcdTrait:
Function gcd:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LCmNp
function name:  gcd
number of ops:  11
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   54     0  E >   RECV_VARIADIC                                        !0      
   56     1        NEW                                                  $1      'GreatestCommonDivisor'
          2        DO_FCALL                                          0          
          3        INIT_METHOD_CALL                                             $1, 'gcd'
          4        SEND_UNPACK                                                  !0
          5        CHECK_UNDEF_ARGS                                             
          6        DO_FCALL                                          1  $3      
          7        VERIFY_RETURN_TYPE                                           $3
          8      > RETURN                                                       $3
   57     9*       VERIFY_RETURN_TYPE                                           
         10*     > RETURN                                                       null

End of function gcd

End of class gcdTrait.

Class customClass: [no user functions]

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