Delete a cookie when a cookie is created, its cookie file is automatically deleted when the browser is closed if it is not set to a valid time. If you want to delete the cookie file saved in the client before closing the browser, there are two ways to do this, and the same method as setting a cookie is to invoke the Setcookie () function to implement the Delete cookie action: First way, omit Setcookie () All parameter columns of the function, using only the first parameter cookie to identify the name parameter, to delete the cookie data of the specified name; the second way, the target cookie is set to the "Expired" state using the Setcookie () function. 1. Use the Setcookie () function to set the target cookie to an "expired" state to remove the basic type of cookie deletion cookie and the way the cookie was created, remove the Coo
1. How to delete cookies in PHP
Summary: When a cookie is created, its cookie file is automatically deleted when the browser is closed if it is not set to a valid time. If you want to delete the cookie file saved in the client before you close the browser, there are two ways to do this, and the same method as setting a cookie is to invoke the Setcookie () function to implement the Delete cookie action.
2. How to create a cookie in PHP
Summary: The creation of cookies is very simple, as long as the user's browser supports the cookie function, you can use PHP built-in functions to create a new cookie. Create a Cookie in PHP with the Setcookie () function.
3. Detailed code examples of buffer control in PHP
Introduction: Everyone in the process of using PHP will inevitably use the header and Setcookie two functions, these two functions will send a file header information to the browser, but if you have any output before using these two functions (including null output, such as space, carriage return and line break) will prompt an error, The message is as follows: "Header had all ready to send by"! So what's the way to
4. PHP features the use of session mechanism 1--cookie
Summary: PHP transparently supports HTTP cookies. A cookie is a mechanism for storing data on a remote browser to track and identify users. You can use the Setcookie () or Setrawcookie () function to set the cookie.
5. PHP Output Cache
Summary: The output control function does not affect the header information sent using header () or Setcookie (), only data blocks that resemble Echo () and PHP code are useful.
6. PHP Simple counter
Introduction: <? PHP//1------COOKIE Counter if (Isset ($_cookie["num"])) {$num =$_cookie["num"] +1; }else {$num =1;} setcookie ("num", $num); Echo " You are the ". $num .& ...
7. PHP Setcookie function invalidation
Introduction: Recently when writing for a Web site PHP background found Setcookie This function is always unable to set the cookie normally, through Var_dump () found that the function return value is False, is clearly set not successful, Google, There may be some reason to discover Setcookie failure: The browser has disabled cookies. Without checking, I'm certainly not disabled. Use PHP's Setcookie () to create a cookie and a session_start () in PHP that opens the session ...
8. Cannot modify header information problem solving method (PHP)
Introduction:: This article mainly introduces the cannot modify header information Problem Resolution (PHP), for PHP tutorial interested students can refer to.
9. Path and domain parameter instance resolution for cookies
Introduction:: This article mainly introduces the path and domain parameters of the cookie parsing, for the PHP tutorial interested students can refer to.
Summary of the cookie and session
Introduction:: This article mainly introduces the summary of the cookie and session, for the PHP tutorial interested students can refer to.
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