Something

<html>
	<head>
		<title>
			leker med php
		</title>
	</head>
	<body>
		KAP2<br>
		---------------<br>
		
		<?
		$tal1 = 9;
		settype($tal1,integer);
		$tal2 = 1.87;
		settype($tal2,double);
		$temp = 63;
		settype($temp,string);
		echo $tal1."<br>";
		echo $tal2."<br>";
		echo $temp."<br>";
		?>
		
		---------------<br>
		<br>
		<?
		$a = 17;
		$b = 12;
		?>
		Variabeln $a = 13<br>
		Variabeln $b = 12<br><br>
		
		$a<$b <? if($a<$b) echo "sant";else echo "falskt"; ?><br>
		$a>$b <? if($a>$b) echo "sant";else echo "falskt"; ?><br>
		$a<=$b <? if($a<=$b) echo "sant";else echo "falskt"; ?><br>
		$a>=$b <? if($a>=$b) echo "sant";else echo "falskt"; ?><br>
		$a==$b <? if($a==$b) echo "sant";else echo "falskt"; ?><br>
		$a===$b <? if($a===$b) echo "sant";else echo "falskt"; ?><br>
		$a!=$b <? if($a!=$b) echo "sant";else echo "falskt"; ?><br>
		$a!==$b <? if($a!==$b) echo "sant";else echo "falskt"; ?><br>
		--------------------<br>
		<?
		$test = array("apa","tiger","elefant");
		echo $test[0] ." " .$test[1] ." " .$test[2];
		?><br>
		---------------<br>
		operator =><br>
		<?
		$test = array("a"=>"apa","b"=>"tiger","c"=>"elefantpenis");
		echo $test["a"] . " " . $test["b"] . " " . $test["c"];
		?><br>
		---------------<br>
		<br>
		konstanter<br>
		<?
		define("SKATT", 0.32);
		$lön = 19829;
		echo "du har ".($lön-(SKATT*$lön)) . " kr kvar efter skatt.";
		?><br>
		----------<br>
		<br>
		KAP3<br>
		styrstrukturer<br>
		elseif<br>
		-----------
		<br>
		<?
		$Dag = "Bajs";
		$Veckodag = "Söndag";
		if ($Dag == "Julafton")
		{ echo "God Jul"; }
		elseif ($Dag == "Påskafton")
		{ echo "Glad Påsk"; }
		else {
			if ($Veckodag=="Lördag")
			{ echo "Ligg o slappa."; }
			elseif ($Veckodag=="Söndag") 
			{ echo "Bränn kyrkan"; }
			else { echo "Vanlig vardag, gå o slit."; }
		}
			?>
			<br>
			<br>
			-------------<br>
			loopar<br>
			for
			<br>
			<?
			for ($i=1;$i<=5;$i++)
				echo "slinga nr $i<br>";
			?><br>
			--------------
			<br>
			<?
			for ($upp=1,$ned=9; $ned > 0; $upp++,$ned--) { ?>
				<font face ="Arial" size="<?=$upp;?>"><?=$ned;?></font><br>
			<? } ?><br>
			<br>
			----------<br>
			<br>
			foreach<br>
			<br>
			<?
			$siffra[]=14;
			$siffra[]=81;
			$siffra[]=56;
			$siffra[]=97;
			foreach ($siffra as $s) {
				echo "$s <br>";
			}
			?>
			<br>
			<br>
			<?
			$siffra[]=14;
			$siffra[]=81;
			$siffra[]=56;
			$siffra[]=97;
			foreach($siffra as $k => $v) {
				echo "\$siffra[$k] har värdet $v <br>";
			}
			?><br>
			
			
			
				
				
		------------<br>
		
		<br>
	</body>
</html>