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======[PHP] Variablen innerhalb und ausserhalb von Klassen======

<code php>
<?php

$globalVar = 123;

class MyParent{
	var $varP1 = "parent1";
	var $varP2;
	
	public function __construct($var2){
		$this->varP2 = $var2;
	}
}

class MyClass extends MyParent {
	
	private $var1;
	
	public function __construct($var2){
		parent::__construct("Parent_{$var2}");
		$this->var1 = $var2;
	}
	
	public function getVar(){
		return $this->var1;
	}
	
	public function step0(){
		$this->addLine("step 0", '$this->var1', $this->var1);
		$this->addLine("step 0", '$var1', $var1);
		$this->addLine("step 0", '$var2', $var2);
	}
	
	public function step1(){
		$this->addLine("step 1", '$this->var1 + $globalVar', "{$this->var1}_{$globalVar}");
	}
	
	public function step2(){
		global $globalVar;
		$this->addLine("step 2", '$this->var1 + $globalVar', "{$this->var1}_{$globalVar}");
	}
	
	public function step3(){
		$this->addLine("step 3", '$this->var1 + $GLOBALS[globalVar]', "{$this->var1}_{$GLOBALS['globalVar']}");
	}
	
	public function step4(){
		$this->addLine("step 4", '$this->varP1', $this->varP1);
		$this->addLine("step 4", '$this->varP2', $this->varP2);
	}
	
	private function addLine($step, $name, $value){
		echo "[{$step}] {$name}: {$value}<br />";	
	}
	
}	

$myObject = new MyClass("abc");

$myObject->step0();
$myObject->step1();
$myObject->step2();
$myObject->step1();
$myObject->step3();
$myObject->step4();

echo $myObject->varP1;
$myObject->varP1 = 123456;
echo $myObject->varP1;

?>
</code>

----
Kategorien: [[CatPhp]]

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