problem using classes OOP 1

[doctorit]

while i was testing php OOP features ....

try this code:

<?
class class1{
function quote(){
echo("says:'");
}
}

class class2{
function say($name,$object,$string){
print($name.$object->quote().$string."'.");
}
}
$obj1=new class1();
$obj2=new class2();
$obj2->say("descartes ",$obj1,"i think therefore i am");

?>


you'll get this output:

says:'descartesi think therefore i am'.

but the desired output is:

descartes says : ' i think therefore i am '.

that simply can be achieved by this code :

<?
class class1{
function quote(){
echo("says:'");
}
}

class class2{
function say($name,$object,$string){
print($name);
print($object->quote());
print($string."'.");
}
}
$obj1=new class1();
$obj2=new class2();
$obj2->say("descartes ",$obj1,"i think therefore i am");

?>


But what is the problem in first code

 

[jpadie]

what is happening is that the method of class1 is being called as the second argument of an echo/print. the print command does not flush to the browser until it is completed but the middle argument does not result in a return value but actually outputs text to the browser using echo and so actually executes and completes before the print command from which it is called.

so... solutions:
1. change the echo to a return

 return "says: '";

or
2. change the say function to

		print $name;
		$object->quote();
		print $string."'.";