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Hi all, I have been reading in almost everywhere that we should not use our own custom login and password validations ( like regex etc.) but instead use the filter_var and filter_input built in functions provided by PHP 5 and above. However even after searching for more than an hour for with different search strings, I have not found even a single example that shows how we may validate for a username/login and password in a login form. Can someone be kind enough to provide a strong secure validations for username and login. Additionally I would also like to clarify if the username and login fields in a Login form be manipulated in any manner to pose a security threat? I mean can a hacker craft a username/login or password in such a manner as to pose an injection or any other threat? Thanks all.

I have a form where external input by users will be fed into a MySQL database and I obviously need to sanitize this input. I don't quite understand the differences between the htmlspecialchars and FILTER_SANITIZE_SPECIAL_CHARS fuctions. Which is better to use in this scenario. For FILTER_SANITIZE_SPECIAL_CHARS, I have also used FILTER_FLAG_STRIP_HIGH. Thanks.

hi if anyone can help me with a solution to this i would be gratefull i have a paginator function which at the moment while testing is set to display 2 products per page so if i have 10 products ill obviously have 5 page-tabs in my navigation i have filters on the page in order to drill the data set down ie, product type, price range ...etc i seem to having an issue in saving the state of my filters to work with the paginator properley ive supplied the main paginator function pagination.php the function is called in categories.php ive attached both files categories.php (this page gets the category id thats passed from the navigation menu which you will see if you visit http://inspiredskills.com/categories.php?id=1 and displays all products related to that category so we have the category/product listing and a filters menu/form and the left hand side which does indeed drill the products down now the filters work fine with the dataset no problem but i cannot get it to work with the paginator properley basically ive had limited success . but not the complete stable solution i need i cannot pass the saved state of the filter to work in conjuction with my paginator properley if anyone can point me in the right direction of achieving this id be gratefull to look at the product listing page go here http://inspiredskills.com/categories.php?id=1 and you will see what im trying to achieve cheers James pagination.php categories.php

Hi, i'm new here and probably a bit out of my depth with PHP. I'll try to explain my problem as best as I possibly can. I have a Wordpress theme which has a section for creating a portfolio. I have populated the portfolio with various images, and the images are split into categories. For arguments sake, lets call them Category1, Category2, Category3 (all the way up to Category7). The portfolio also has a filter which allows the user to select "Category2" and then only images in Category2 will be shown. Nothing too clever there. However, I had to split the portfolio into 2 separate portfolios, quite simply because I have too many categories to filter. So to cut a long story short, I have 2 portfolios. Portfolio1 contains categories1/2/3/4/5 and Portfolio2 contains categories6/7. This works fine, except for the filter. Lets take Portfolio2 for example. It correctly only shows images in Category6 and Category7. But the filter at top has all the categories listed there, when really I only want the filter to show Category6 and Category7. I've pinpointed the code in portfolio.php that controls these filters and this is what it is: <h2><a class="catlink" href="#filter=*" rel="nofollow">Show All</a> <?php $categories = get_terms("portfoliocategory"); foreach ($categories as $category) { $entrycategory = str_replace(',','',str_replace('.','',$category->name)); echo '<a class="catlink" href="#filter=.'.$entrycategory .'" rel="nofollow">'.$category->name.'</a>'; } ?> </h2> So the code above shows filters for all categories. How can I show filters for just the 2 categories? Your help would be much appreciated. Thanks.