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<?php class EmailAddress { private $emailAddress; public function __construct($emailAddress) { $this->assertValidEmailAddress($emailAddress); $this->emailAddress = $emailAddress; } private function assertValidEmailAddress($emailAddress) { if (!static::isValid($emailAddress)) { throw new DomainException("Not an email address"); } } public static function isValid($emailAddress) { $length = strlen($emailAddress); $atPos = strpos($emailAddress, "@"); return $length > 2 && $atPos != false && $atPos != 0 && $atPos != $length - 1; } public function __toString() { return $this->emailAddress; } } echo new EmailAddress("a@b"); // if you want to pass it around var_dump(EmailAddress::isValid("a@b")); // if you just want to validate it
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7FuQe
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'emailaddress'
   33     1        NEW                                              $0      'EmailAddress'
          2        SEND_VAL_EX                                              'a%40b'
          3        DO_FCALL                                      0          
          4        ECHO                                                     $0
   34     5        INIT_FCALL                                               'var_dump'
          6        INIT_STATIC_METHOD_CALL                                  'EmailAddress', 'isValid'
          7        SEND_VAL_EX                                              'a%40b'
          8        DO_FCALL                                      0  $2      
          9        SEND_VAR                                                 $2
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class EmailAddress:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7FuQe
function name:  __construct
number of ops:  7
compiled vars:  !0 = $emailAddress
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    8     1        INIT_METHOD_CALL                                         'assertValidEmailAddress'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0          
    9     4        ASSIGN_OBJ                                               'emailAddress'
          5        OP_DATA                                                  !0
   10     6      > RETURN                                                   null

End of function __construct

Function assertvalidemailaddress:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7FuQe
function name:  assertValidEmailAddress
number of ops:  11
compiled vars:  !0 = $emailAddress
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
   13     1        INIT_STATIC_METHOD_CALL                                  'isValid'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0  $1      
          4        BOOL_NOT                                         ~2      $1
          5      > JMPZ                                                     ~2, ->10
   14     6    >   NEW                                              $3      'DomainException'
          7        SEND_VAL_EX                                              'Not+an+email+address'
          8        DO_FCALL                                      0          
          9      > THROW                                         0          $3
   16    10    > > RETURN                                                   null

End of function assertvalidemailaddress

Function isvalid:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 46) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
2 jumps found. (Code = 46) Position 1 = 16, Position 2 = 19
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
Branch analysis from position: 15
Branch analysis from position: 12
filename:       /in/7FuQe
function name:  isValid
number of ops:  21
compiled vars:  !0 = $emailAddress, !1 = $length, !2 = $atPos
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   RECV                                             !0      
   19     1        STRLEN                                           ~3      !0
          2        ASSIGN                                                   !1, ~3
   20     3        INIT_FCALL                                               'strpos'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 '%40'
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !2, $5
   22     8        IS_SMALLER                                       ~7      2, !1
          9      > JMPZ_EX                                          ~7      ~7, ->12
   23    10    >   BOOL                                             ~8      !2
         11        BOOL                                             ~7      ~8
         12    > > JMPZ_EX                                          ~7      ~7, ->15
   24    13    >   IS_NOT_EQUAL                                     ~9      !2, 0
         14        BOOL                                             ~7      ~9
         15    > > JMPZ_EX                                          ~7      ~7, ->19
   25    16    >   SUB                                              ~10     !1, 1
         17        IS_NOT_EQUAL                                     ~11     !2, ~10
         18        BOOL                                             ~7      ~11
         19    > > RETURN                                                   ~7
   26    20*     > RETURN                                                   null

End of function isvalid

Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7FuQe
function name:  __toString
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   FETCH_OBJ_R                                      ~0      'emailAddress'
          1        VERIFY_RETURN_TYPE                                       ~0
          2      > RETURN                                                   ~0
   30     3*       VERIFY_RETURN_TYPE                                       
          4*     > RETURN                                                   null

End of function __tostring

End of class EmailAddress.

Generated using Vulcan Logic Dumper, using php 8.0.0


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