Php script validating forms

To clear the in memory cookies for a c URL handle you can use: curl_setopt($curl, CURLOPT_COOKIELIST, "ALL"); This is a magic string. If a magic string isn't used, this field should take a cookie in the same string format as in getinfo for the cookielist constant.This can be used to delete individual cookies although it's not the most elegant API for doing so.If you want to manage cookies in memory without using files including reading, writing and clearing custom cookies then continue reading.

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The string may be a plain IP address, a hostname, a network interface name (under Unix), or just a plain '-' to use the systems default IP address. The string can be the file name of your pinned public key. The string can also be any number of base64 encoded sha256 hashes preceded by "sha256//" and separated by ";". The string should be the MD5 checksum of the remote host's public key, and libcurl will reject the connection to the host unless the md5sums match. If the file is password-protected, set the password with A callback accepting two parameters. The callback must return a string with a length equal or smaller than the amount of data requested, typically by reading it from the passed stream resource.

The first is the c URL resource, the second is a string with the header data to be written. It should return an empty string to signal A callback accepting two parameters.

If your PHP installation doesn't have an up-to-date CA root certificate bundle, download the one at the curl website and save it on your server: set a path to it in your file, e.g.

on Windows:curl.cainfo=c:\php\Turning off CURLOPT_SSL_VERIFYPEER allows man in the middle (MITM) attacks, which you don't want!

The c URL API in tends to be fubar as well so do not expect things to be where you would normally logically look for is especially difficult to work with when it comes to cookies.

So I will talk about what I found with PHP 5.6 and curl 7.26.

The cookie file can be in Netscape format, or just plain HTTP-style headers dumped into a file.

If the name is an empty string, no cookies are loaded, but cookie handling is still enabled.

Clarification on the callback methods:- CURLOPT_HEADERFUNCTION is for handling header lines received *in the response*,- CURLOPT_WRITEFUNCTION is for handling data received *from the response*,- CURLOPT_READFUNCTION is for handling data passed along *in the request*.

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