PHP 2 janv A

Klašu kontekstā:

mainīgie (kas definātas ārpus klases) -> īpašībām; 

funkcijas -> metodes;

<?PHP

class MyClass {

private $varA = 'Beautiful ';

function hello(){

$a = 'Hello ';

$b = $this->world();

$this->varB = 'Awful ';

$text = $a.$this->varA.$this->varB.$b;

return $text;

}

private function world(){

return 'World';

}

}

?>

***************************************

<?PHP

require('class.php');

$var = new MyClass();

echo $var->hello().PHP_EOL;

$var->ref = $var;

print_r($var);

?>

------------

MyClass Object ( [varA:MyClass:private] => Beautiful [varB] => Awful [ref] => MyClass Object *RECURSION* )

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<?PHP

require('class.php');

$var = new MyClass();

echo $var->hello().PHP_EOL;

$var->ref = new stdClass;

print_r($var);

?>

stdClass ir predefinēts PHP !

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<?PHP

require('class.php');

$var = new MyClass();

echo $var->hello().PHP_EOL;

$objekts = 'MansObjekts';

$var->ref =  (object)$objekts;

print_r($var);

?>

Skalāra vērtība var dabūt ar echo 'MansObjekts';

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<?PHP

require('class.php');

$var = new MyClass();

echo $var->hello().PHP_EOL;

$objekts = 'MansObjekts';

$var->ref =  (object)$objekts;

print_r($var);

unset($var->ref);

print_r($var);

?>

---------------------

MyClass Object ( [varA:MyClass:private] => Beautiful [varB] => Awful [ref] => stdClass Object ( [scalar] => MansObjekts ) ) MyClass Object ( [varA:MyClass:private] => Beautiful [varB] => Awful )

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<?PHP

require('class.php');

$var = new MyClass();

///var_dump($var);

$varb = clone $var;

$var->test = 'test';

var_dump($varb);

?>

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<?PHP

class MyClass {

function hello(){

echo MYCONST;

}

}

?>

**************

<?PHP

require('class.php');

define('MYCONST','MYCONST ir ok!');

$var = new MyClass();

$var->hello();

?>

--------------

MYCONST ir ok!

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<?PHP

class MyClass {

const CLASSCONST = 'CLASSCONST ir ok!';

function hello(){

echo self::CLASSCONST;

}

}

?>

***************

<?PHP

require('class.php');

define('MYCONST','MYCONST ir ok!');

$var = new MyClass();

$var->hello();

?>

-----------------

CLASSCONST ir ok!

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<?PHP

class MyClass {

const CLASSCONST = 'CLASSCONST ir ok!';

function hello(){

echo self::CLASSCONST;

}

}

?>

****************

<?PHP

require('class.php');

define('MYCONST','MYCONST ir ok!');

$var = new MyClass();

$var->hello();

echo MyClass::CLASSCONST;

?>

define globālas konstantes noteikšana

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