NYCPHP Meetup

[Joe Crawford]

Call to undefined function is_defined()

i dont see where there is a function with that name anywhere.

Joe Crawford Jr.


On Thu, 2004-07-29 at 12:57, Phillip Powell wrote:
> Joe Crawford wrote:
> 
> >Something is still wrong with this code
> >
> >	function setPart($part, $val, $append=FALSE) {
> >		if (in_array($part, get_class_vars(get_class($this)))) {
> >			if(($part) && ($val)) {
> >				if ($append) $this->{'_' . $part} .= $val;
> >				else $this->{'_' .$part} = $val;
> >			}
> >			return true;
> >		}
> >		$this->sendError('undefined property.');
> >	}
> >
> >
> >
> >this code is still allowing properties to be set that have not been
> >defined :(
> >  
> >
> 
> Use is_defined() to see if the property is defined, perhaps a 
> combination of
> is_defined() and !isset().  Other than that, I have no idea.
> 
> Phil
> 
> >here is my entire class
> >
> >
> ><?
> >include_once('smarty/Smarty.class.php');
> >class template extends Smarty {
> >
> >	private $_header;
> >	private $_body;
> >	private $_footer;
> >
> >	function template() {
> >		$this->_header = null;
> >		$this->_body = null;
> >		$this->_footer = null;
> >
> >		$this->Smarty();
> >
> >		$this->template_dir = BASE_DIR.'/smarty/dfs/templates/';
> >		$this->compile_dir = BASE_DIR.'/smarty/dfs/templates_c/';
> >		$this->config_dir = BASE_DIR.'/smarty/dfs/configs/';
> >		$this->cache_dir = BASE_DIR.'/smarty/dfs/cache/';
> >
> >		$this->caching = false;
> >		$this->assign('app_name','Developer Financial Software');
> >	}
> >
> >	function header($val) {
> >		if($val) {
> >			$this->_header = $val;
> >		} else {
> >			return $this->_header;
> >		}
> >	}
> >
> >	function body($val) {
> >		if($val) {
> >			$this->_body = $val;
> >		} else {
> >			return $this->_body;
> >		}
> >	}
> >
> >	function footer($val) {
> >		if($val) {
> >			$this->_footer .= $val;
> >		} else {
> >			return $this->_footer;
> >		}
> >	}
> >
> >	function setPart($part, $val, $append=FALSE) {
> >		if (in_array($part, get_class_vars(get_class($this)))) {
> >			if(($part) && ($val)) {
> >				if ($append) $this->{'_' . $part} .= $val;
> >				else $this->{'_' .$part} = $val;
> >			}
> >			return true;
> >		}
> >		$this->sendError('undefined property.');
> >	}
> >	
> >	function sendError($err) {
> >		if($err) {
> >			echo $err;	
> >			exit;
> >		}	
> >	}
> >
> >	function displayError($live, $page) {
> >		if($page) {
> >			if($live) {
> >				$this->display('error/static/'.$page.'.tpl');
> >			} else {
> >				$this->display('error/'.$page.'.tpl');
> >			}
> >		} else {
> >			$this->display('error/static/generic.tpl');
> >		}
> >	}
> >
> >	function displayPage($page) {
> >		$this->assign('header', $this->_header);
> >		$this->assign('body', $this->_body);
> >		$this->assign('footer', $this->_footer);
> >		$this->display($page.'.tpl');
> >	}
> >}
> >?>
> >
> >here is my index.php page
> >
> ><?
> >include_once('include/global.php');
> >
> >$page->subTitle('Home');
> >$tpl->setPart('header', $tpl->fetch('header.tpl'));
> >$tpl->setPart('body', $tpl->fetch('main.tpl'));
> >$tpl->setPart('footer', $tpl->fetch('footer.tpl'));
> >$tpl->setPart('test', 'this is a test');
> >echo $tpl->_test;
> >
> >$tpl->displayPage('page');
> >
> >?>
> >
> >
> >when the page is executed it echo's the value of $tpl->_test when in
> >fact _test should not be set since i have no var $_test; in my class
> >definition.
> >
> >anyone here that can shed some light on this problem?
> >
> >Joe Crawford Jr.
> >
> >
> >
> >On Wed, 2004-07-28 at 21:33, Joe Crawford wrote:
> >  
> >
> >>Dan,
> >>
> >>i do not want the class setting any undefined properties.
> >>
> >>Joe Crawford Jr.
> >>
> >>
> >>On Wed, 2004-07-28 at 00:16, Dan Cech wrote:
> >>    
> >>
> >>>Phillip Powell wrote:
> >>>      
> >>>
> >>>>Joe Crawford wrote:
> >>>>
> >>>>        
> >>>>
> >>>>>Phill,
> >>>>>
> >>>>>thanks that worked just as expected...
> >>>>>
> >>>>>Now anyone know of a way to make sure $part is actually one of the class
> >>>>>variables?
> >>>>>          
> >>>>>
> >>>>if (in_array($part, get_class_vars(get_class($this)))) { // DO STUFF }
> >>>>
> >>>>Assuming you have instantiated a MyClass object prior to this line
> >>>>        
> >>>>
> >>>Actually you would be better off with:
> >>>
> >>>function setPart($part = NULL, $val = NULL, $append = FALSE) {
> >>>   if (isset($part) && isset($val) && @isset($this->{'_'.$part})) {
> >>>     if ($append) {
> >>>       $this->{'_'.$part} .= $val;
> >>>     } else {
> >>>       $this->{'_'.$part} = $val;
> >>>     }
> >>>     return TRUE;
> >>>   }
> >>>   return FALSE;
> >>>}
> >>>
> >>>There is no need to go through the added overhead of calling 
> >>>get_class_vars and get_class, unless you want to disallow setting any 
> >>>vars not defined in the class definition.
> >>>
> >>>Using the @isset(..) method you could define an addPart and delPart 
> >>>function if required, which you can not do with Phil's solution.
> >>>
> >>>Dan
> >>>
> >>>_______________________________________________
> >>>New York PHP Talk
> >>>Supporting AMP Technology (Apache/MySQL/PHP)
> >>>http://lists.nyphp.org/mailman/listinfo/talk
> >>>http://www.newyorkphp.org
> >>>
> >>>
> >>>      
> >>>
> >>_______________________________________________
> >>New York PHP Talk
> >>Supporting AMP Technology (Apache/MySQL/PHP)
> >>http://lists.nyphp.org/mailman/listinfo/talk
> >>http://www.newyorkphp.org
> >>
> >>
> >>    
> >>
> >
> >_______________________________________________
> >New York PHP Talk
> >Supporting AMP Technology (Apache/MySQL/PHP)
> >http://lists.nyphp.org/mailman/listinfo/talk
> >http://www.newyorkphp.org
> >
> >  
> >
>