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if (!session_id()) {
	session_start();
}

function showFlashMsg(){
	$session = $_SESSION;
	$msg_html = '';

	if($session){
		if(isset($session['flash_msg'])){
			$msg_type = $session['flash_msg']['type'];
			$msg_text = $session['flash_msg']['text'];
			if($msg_type == 'error'){
				$msg_html = "<div class='alert alert-danger'>$msg_text</div>";
			} else if($msg_type == 'warning'){
				$msg_html = "<div class='alert alert-warning'>$msg_text</div>";
			} else if($msg_type == 'success'){
				$msg_html = "<div class='alert alert-success'>$msg_text</div>";
			}
		}
	}

	if($msg_html){
		unset($_SESSION['flash_msg']);
	}

	echo $msg_html;
}

function setFlashMsg($type,$msg){

	$_SESSION['flash_msg']['type'] = $type;
	$_SESSION['flash_msg']['text'] = $msg;

	return $_SESSION['flash_msg'];
}