isset

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Determining if other <option> was selected, or if default "Select one..." with blank value was submitted

I am adding a sort by option to my search page. I am using two select form input type, one for the field to order by, and one for开发者_JAVA百科 ASC/DESC. I have the first option with value=\"\" and t[详细]

2023-02-24 04:36 分类：问答
Sending Variables to my PHP File - They are null for some reason

I am sending variables to my PHP file to add things to the database, but for some reason my database either gets filled with blanks or it just does not add to the database at all.[详细]

2023-02-23 01:37 分类：问答
Smarty - a set variable is not displayed when using if isset()

I got the following code: {$productinfo.ProductPhone} {if isset($productinfo.Productphone)} {$business_business_phone} {$productinfo.ProductPhone}[详细]

2023-02-12 07:18 分类：问答
How important is it really to check every array index in PHP?

I\'m working on quite a large project in which there are a lot of places where code like the following exists:[详细]

2023-02-10 10:14 分类：问答
Too many redirects

I can\'t find the solution to this one.Basically we are using a vanity url system so its user.domain.com.All files are accessed like user.domain.com/home.php etc.When you clear cookies the redirects w[详细]

2023-02-07 20:38 分类：问答
If isset $_SESSION goto this page?

Ok, having trouble here: I created开发者_JAVA技巧 a login script, so after a person logs in then they will get direted to another page. And also, I have it redirecting them to the login page if they[详细]

2023-02-07 07:53 分类：问答
Session Redirects

I am trying to protect a page by making it password protected.I am using the code below, but it doesn\'t work.[详细]

2023-02-06 06:23 分类：问答
redirecting to custom url if session expires or if a page requires login

all of our users have custom urls.user.domain.com.when a session expires, the page gets routed to index.php.I need it to require it to redirect to user.domain.com so that they can login from that page[详细]

2023-02-06 04:51 分类：问答
smarty syntax - isset

{if isset({$LANG.domainmoreinfo}){$LANG.domainmoreinfo}{/if} This seems to be an incorrect syntax, can someone tell me what am I d开发者_如何学Coing wrong?[详细]

2023-01-29 04:34 分类：问答
How to tell whether a variable in ASP has been declared

Let me start off by saying I\'m a PHP developer, not an ASP one. (And I really wish ASP had isset().)And I\'m working in a live environment so I don\'t really have an opportunity to do any testing.[详细]

2023-01-23 18:17 分类：问答