This page contains detailed information about how to set cookie in PHP for remember me.

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How to set cookie in PHP?

What is a Cookie?

First of all, you all need to know what actually the cookie is. A cookie is often used to identify a user. A cookie is a small file that the server embeds on the user’s computer. Each time the same computer requests a page with a browser, it will send the cookie too. With PHP, you can both create and retrieve cookie values.

Creating/setting a cookie

to set a cookie there are many different ways, but I am showing you the only best way.
to create a cookie you need to write

 setcookie(cookie_name,cookie_value);

Note: you can also set the time for the cookie(The expiry time after the cookie value)

example:

[gistpen id="164"]

Yeah, the cookie is now set.

Printing/Displaying the cookie value

To print the cookie you need to write the following code:

echo $_COOKIE["MyName"]; 

for example:

[gistpen id=”161″]

Modifying the cookie

actually modifying the cookie means re-setting the cookie again. in this post i have already set a cookie now i am gonna edit the cookie by setting the cookie value in the same cookie.

so here we go:

[gistpen id=”171″]

Deleting the cookie

to delete the cookie you have to set the expiry time. and the expiry time should be in -(it means before now).

so let’s have a look

[gistpen id=”178″]

Note: You also have to set cookie value blank, so it will perform a better result.

here I have destroyed the cookie before 600 Nano Seconds of the execution time.

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