php Programming Glossary: agents

Tell bots apart from human visitors for stats?

http://stackoverflow.com/questions/1717049/tell-bots-apart-from-human-visitors-for-stats

I don't want to update text files with bot related User agents . Is there any open service that does that like Akismet does..

What is correct HTTP status code when redirecting to a login page?

http://stackoverflow.com/questions/2839585/what-is-correct-http-status-code-when-redirecting-to-a-login-page

URI for that representation in the Location field user agents MAY use the Location field value for automatic redirection... receiving a 301 status code some existing HTTP 1.0 user agents will erroneously change it into a GET request. 10.3.3 302 Found.. a hyperlink to the new URI s . Note Many pre HTTP 1.1 user agents do not understand the 303 status. When interoperability with..

Detecting file upload size on the client side?

http://stackoverflow.com/questions/2934788/detecting-file-upload-size-on-the-client-side

in the security considerations sections against user agents basing any file related operations on anything mentioned in..

How do I determine whether it's a mobile device with PHP?

http://stackoverflow.com/questions/386046/how-do-i-determine-whether-its-a-mobile-device-with-php

Browser displays 嚙?instead of ´

http://stackoverflow.com/questions/4095058/browser-displays-instead-of

is the equivalent of an http response header and user agents should use them in case the corresponding http headers are not..

HTTP authentication logout via PHP

http://stackoverflow.com/questions/449788/http-authentication-logout-via-php

specification section 15.6 Existing HTTP clients and user agents typically retain authentication information indefinitely. HTTP..

what is header('P3P: CP=“CAO PSA OUR”');

http://stackoverflow.com/questions/5257983/what-is-headerp3p-cp-cao-psa-our

information Ourselves and or entities acting as our agents or entities for whom we are acting as an agent An agent in this..

Remove &amp from string when writing to xml in PHP

http://stackoverflow.com/questions/6379283/remove-amp-from-string-when-writing-to-xml-in-php

trademark symbol 簧 . Unfortunately many HTML user agents have silently ignored incorrect usage of the ampersand character.. entity references as literal ampersands. XML based user agents will not tolerate this incorrect usage and any document that.. that documents are compatible with historical HTML user agents and XML based user agents ampersands used in a document that..

How to make a redirect in PHP?

http://stackoverflow.com/questions/768431/how-to-make-a-redirect-in-php

the 303 header is incompatible with many pre HTTP 1.1 user agents. Currently used browsers are all HTTP 1.1 user agents. This.. user agents. Currently used browsers are all HTTP 1.1 user agents. This is not true for many other user agents like spiders and.. HTTP 1.1 user agents. This is not true for many other user agents like spiders and robots. 3. Documentation HTTP Headers and the..

How to identify web-crawler?

http://stackoverflow.com/questions/8404775/how-to-identify-web-crawler

if it's a user or not. A lot of bots tend to spoof user agents and some do it for legitimate reasons i.e. they only want to.. as bots. Even worse some bots spoof legitimate polite bot agents such as the user agents of google microsoft lycos and other.. bots spoof legitimate polite bot agents such as the user agents of google microsoft lycos and other crawlers which are generally..