How to Remove Cookies From a Post Array
The PHP language creates an array of cookies you use in the "post" data between pages. When you no longer need a cookie, you can delete it from the array. PHP includes a "setcookie" function that adds and removes cookies from the post array. Setting a cookie's expiration date in the past forces the browser to remove the cookie.
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Instructions
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Right-click the PHP page that contains your cookie code. Click "Open With" and select your preferred PHP editor.
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Scroll down the page to the location of the cookie. Typically, this is at the bottom of a log-out function or the end of the page after the rest of the code uses the data.
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Remove the cookie. The following code removes a cookie:
setcookie ("mycookie", "", time() - 3600);
Replace "mycookie" with the name of the cookie you want to remove.
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