note 61686 added to language.oop
| From: | LeonelQuinteros at osu1 dot php dot net | Date: | Thu, 09 Feb 2006 14:57:11 +0000 |
| Subject: | note 61686 added to language.oop | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-103364@lists.php.net to get a copy of this message | ||
PHP Allow to extend a class in a dinamic way into a object and only affects that object not the
others of the same class.
I was developing a persistence class and i found this:
<?php
class MyClass {
var $Prop1;
// Into the constructor i create a propertie that was not declared before.
function MyClass() {
$this->Prop2 = "This was not declared but now exists into the object";
}
function setProp($PropName, $PropValue) {
$this->$PropName = $PropValue;
}
}
$MyObj = new MyClass();
$MyObj->setProp("Prop1", "This was declared and now has value");
$MyObj->setProp("Prop3", "This was declared by setProp() method.");
$MyObj->Prop4 = "This was declared out of the class definition";
echo "Prop1: ".$MyObj->Prop1." <br />\r\n";
echo "Prop2: ".$MyObj->Prop2." <br />\r\n";
echo "Prop3: ".$MyObj->Prop3." <br />\r\n";
echo "Prop4: ".$MyObj->Prop4." <br />\r\n";
?>
This could be very useful, but very dangerous too, take care.
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