[SOLVED] extends help

[sasori]

hello, i created this 3 scripts as follows (question is at the bottom)

//class.emailer.script and it works fine
class emailer
{
protected $sender;
private $subject;
private $message;
private $recipients;

function __construct($sender)
{
	$this->sender = $sender;
	$this->recipients = array();
}
public function setSubject($subject)
{
	$this->subject = $subject;
}
public function setMessage($message)
{
	$this->message = $message;
}
public function addRecipients($recipient)
{
	array_push($this->recipients,$recipient);
}

public function sendMail()
{
	foreach($this->recipients as $recipient)
	{
		$result = mail($recipient, $this->subject,$this->message,"FROM: {$this->sender}\r\n");

	if($result)
	echo "mail successfully sent to {$recipient}<br/>";
	}
}
}

 

//class.extendedmailer.php second script that extends the emailer class

class ExtendedEmailer extends emailer
{
function __construct()
{

}
public function setSender($sender)
{
	$this->sender = $sender;
}
}
?>

 

///here is the trigger script to execute the 2 scripts above

include_once('class.emailer.php');
include_once('class.extendedmailer.php');
$spam = new ExtendedEmailer();
$spam->setSender("nemo@gtalk.com");
$spam->setSubject("777777");
$spam->setMessage("testing ulit");
$spam->addRecipients("nemo.md5@gmail.com");
$spam->sendMail();

 

now the question is, how come there is this error

 

Warning: array_push() [function.array-push]: First argument should be an array in C:\wamp\www\test2\oop\class.emailer.php on line 29

Warning: Invalid argument supplied for foreach() in C:\wamp\www\test2\oop\class.emailer.php on line 34

 

whenever i tried to use the setSender() of the class.extendedmailer.php,

but when it is not included in the trigger script and i instantiate the class.emailer.php alone,

everything works fine and the email is being sent ... kindly tell me the problem

by the way, i leaved the extendedmailer.php constructor so that i can make use

of the setSender function of it, but it seems it did go the right way

[Kieran Menor]

It might be caused because you omitted

 

$this->recipients = array();

 

in your constructor

[ratcateme]

i am not exactly sure but i think by calling ExtendedEmailer() rather than emailer the __construct in emailer doesn't run so $recipients never becomes a array. can't you just put that function into the main class and do away with the extend

 

Scott.

[sasori]

even if some errors occur, the email is still being sent,.

however, these scripts are written in a book , i followed exactly, i just changed the variables,.thanks for the helps