Online PHP editor | vld for ceTeD

@ 2014-03-04T02:35:05Z

<?php
class User{
    const GIVEN = 1;  // class constants can't be labeled static nor assigned visibility
    public $a=2;
    public static $b=3;
    
    public function me(){ 
        echo "print me";
    }
     public static function you() {
        echo "print you";
    }
}

class myUser extends User {
}

// Are properties and methods instantiated to an object of a class, & are they accessible?
$object1= new User();        // uncomment this line with each of the following lines individually
//echo $object1->GIVEN . "";        // yields nothing
//echo $object1->GIVE . "";        //  deliberately misnamed, still yields nothing
//echo $object1->User::GIVEN . "";    // yields nothing
//echo $object1->a . "";        // yields 2
//echo $object1->b . "";        // yields nothing
//echo $object1->me() . "";        // yields print me
//echo $object1->you() . "";        // yields print you

// Are  properties and methods instantiated to an object of a child class,  & are accessible?
//$object2= new myUser();        // uncomment this line with each of the following lines individually
//echo $object2->GIVEN . "";        // yields nothing
//echo $object2->a . "";        // yields 2
//echo $object2->b . "";        // yields nothing
//echo $object2->me() . "";        // yields print me
//echo $object2->you() . "";        // yields print you

// Are the properties and methods accessible directly in the class?
//echo User::GIVEN . "";        // yields 1
//echo User::$a . "";            // yields fatal error since it is not static
//echo User::$b . "";            // yields 3
//echo User::me() . "";        // yields print me
//echo User::you() . "";        // yields print you

// Are the properties and methods copied to the child class and are they accessible?
//echo myUser::GIVEN . "";        // yields 1
//echo myUser::$a . "";        // yields fatal error since it is not static
echo myUser::$b . "";        // yields 3
//echo myUser::me() . "";        // yields print me
//echo myUser::you() . "";        // yields print you

Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceTeD
function name:  (null)
number of ops:  7
compiled vars:  !0 = $object1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   NEW                                              $1      'User'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   46     3        FETCH_STATIC_PROP_R          global lock         ~4      'b'
          4        CONCAT                                           ~5      ~4, ''
          5        ECHO                                                     ~5
   48     6      > RETURN                                                   1

Class User:
Function me:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceTeD
function name:  me
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ECHO                                                     'print+me'
    9     1      > RETURN                                                   null

End of function me

Function you:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceTeD
function name:  you
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   ECHO                                                     'print+you'
   12     1      > RETURN                                                   null

End of function you

End of class User.

Class myUser:
Function me:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceTeD
function name:  me
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ECHO                                                     'print+me'
    9     1      > RETURN                                                   null

End of function me

Function you:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceTeD
function name:  you
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   ECHO                                                     'print+you'
   12     1      > RETURN                                                   null

End of function you

End of class myUser.

Generated using Vulcan Logic Dumper, using php 8.0.0

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