<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>Pass ref of a varaiable</title>
</head>
<body text="#FFFF00" bgcolor="#000080">
<form action="array_object.php" method="post"><input type=text name="color">
<input type="submit" value="click"</form>
<?php
$xcolor=$_POST['color'];
class ColorFilter {
var $color ;
function ColorFilter($color) {
$this->color=$color;
}
function isPrimary () {
$primary=array('red','green','blue');
if (in_array($this->color,$primary))
return true;
else
return false;
}
}
//some how if you try to pass values to $mycolor=$_POST['color']
//it wil not work, to receive a value from input you must use as described below
//$filter=new ColorFilter($mycolor=$_POST['color']);
echo "<br>You entered $xcolor <br>";
$filter=new ColorFilter($mycolor=$_POST['color']);
if ($filter->isPrimary($myColor) ) {
echo ($myColor.'<br> It is a primary color');
} else {
echo ($myColor.' <br>It is not a primary color');
}
?>
</body>
</html>
