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I'm using php and curl to get the content of various websites. Some sites require post values. I want to check if the site expect any post values to be sent.
You cannot do that, unless sites specifically tell you in their response headers what they are expecting (and they rarely, if ever, do). Best you can do is take a look at returned headers from the request. You cannot automate this process.
Not entirely sure what you're asking here OP. But when creating scripts in cURL to automate interaction with other websites you generally have to investigate manually to find out what parameters need to be passed to get to the information you want...
It'll be a case of using tools such as Source Code View, and the firefox addon which allows you to modify post information (forgotten what its called) to see whats actually happening when you visit the site.
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I want to make sure visitors to my site can't see the PHP code that's generating the page. Here is a reference: http://may.edu.np/tmp/
Can anyone explain to me how server-side scripts are interpreted and how the result is delivered to the end user?
If I understand your question correctly, no one should be able to access your source code so long as they don't have access to the server. When a browser makes a request for a .php file to the server, the server knows that it must first interpret the script and then send the output from your echo statements and/or inline HTML. As far as I know, there's no way for the user to "trick" the server into sending it as plain text, so I wouldn't worry about that. Also, as long as you disable error reporting, no one should even know you're running php, as there's no ".php" in the URL. Hope this helps :)
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I want to send the wordpress username to a external file when the click on a button on my website.
I have test it with Post but then you can edit your username.
Hope you guys can help me
If you are worried about the user modifying the request, then the request must originate from your server rather than from the user's browser.
To do this, your button should call a script on your server. That script should then retrieve the username from user's current Wordpress session then send that directly to the other server using libcurl or a similar library.
Are you sure you don't just want to get the log in info to you? I think this might be an attempt scam people logging into your site. You aren't providing any coding info or nothing. Obviously something is wrong here.
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I'm very confused about how to do a game work in a browser like monopoly, backgammon, etc. I have knowledge in html, css, php, and my question is what should I start to study/learn to make a game play with anothers on the web, I think what I should start to learn is AJAX, but what else? How can I do the game? How should I arrange the mysql database info for the game... any tips is appreciated. Thanks.
A basic requirement would certainly be Javascript. That's what the "J" in AJAX actually means. You basically need two things: the client-side code dealing with the user input, sending requests to the server, dealing with the responses, managing all the graphics; and the server-side system handling requests triggered by the client code and providing adequate responses. How you should "do the game" and "arrange" the MySQL database strictly depends on the game you want to create. Of course your request is too generic to be able to provide you any meaningful help.
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I want to show certain content if traffic comes to my wordpress site from google search. I want to use $_SERVER["HTTP_REFERER"] . Security is not a huge issue -- if some client really wants to lie that they are coming thru google that is no big deal (they'll just see an ad). I also understand that I need to check what they send through $_SERVER["HTTP_REFERER"] for malicious code. However, I see that according to answers in this post Determining Referer in PHP not all browsers send HTTP_REFERER.
What browsers don't send it? What versions?
When the referring site has SSL turned on, it will often not include the HTTP_REFERER. As you can imagine, this is by design for security purposes. Code accordingly.
This makes it difficult to know when visitors are coming from sites like youtube and gmail which use SSL by default.
Also this question is similar:
Is there referrer header while using SSL?
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How can I go about implementing a database like search form into an HTML website? For example, there is a form to enter your zip code and after entering the zip code, it searches a .txt file (for example) and returns results that fall under that specific zip code.
Any help would be greatly appreciated.
Thank you
There are many approaches you could take. It's a very broad question.
As an example solution, you would need to have both client and server side code. The client would submit the form to a server. The server code could be written in a multitude of languages, PHP, ASP, JAVA etc.
The server side code would take the request parameters sent by the form, read the file, calculate any result and pass it back in the http response to the front end, which could be dealt with by displaying a new page or as part of an AJAX refresh.
As you can appreciate though, this is a very broad topic and there are many possible solutions.
Also as #Dagon points out, if you are not restricted to using a text file (although your title probably suggests you are) then using a MySQL or other such database could be a better solution, maybe even Solr as an indexing solution, depending on what you are searching for.