The love and hatred between $_REQUEST, $_POST, $_GET

$_GET

An array of variables passed to the current script through the URL parameter.

$_POST

The predefined $_POST variable is used to collect data from method="post" value in the form.

#getpostDisplay in the urlwill be displayed in the url (there is a limit on the number of characters)Nothing will be displayed in the urlThe amount of data submittedA small amount of data, generally less than 2kA large amount of data, PHP can submit 8M of data by defaultIn terms of securityUnsafeMore secureSubmission principleThe submitted data are all independentSubmit all data together as a wholeFlexibilityVery flexible, as long as there are pages Data can be transferred by jumpingIt is not flexible and must involve the formCommon usageMore commonly usedrelative Less than get

$_REQUEST

Contains $_GET by default Arrays of , $_POST and $_COOKIE.

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