NYCPHP Meetup

[Joe Crawford]

defined() only works with constants and not variables.

Joe Crawford Jr.


On Thu, 2004-07-29 at 13:03, Phillip Powell wrote:
> Joe Crawford wrote:
> 
> >Call to undefined function is_defined()
> >
> >i dont see where there is a function with that name anywhere.
> >
> >  
> >
> I meant defined() sorry.  I think you might want to escalate this to 
> someone as ubersmart as Daniel.
> 
> Phil
> 
> >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
> >>>
> >>> 
> >>>
> >>>      
> >>>
> >
> >_______________________________________________
> >New York PHP Talk
> >Supporting AMP Technology (Apache/MySQL/PHP)
> >http://lists.nyphp.org/mailman/listinfo/talk
> >http://www.newyorkphp.org
> >
> >  
> >
>