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# PEAR_REST::getCacheId()

PEAR_REST::getCacheId() -- getCacheId

## Synopsis

    require_once '/REST.php';

``array|false PEAR_REST::getCacheId` (string $url)`

## Description

Retrieve the HTTP caching information for a REST resource, or `FALSE` if no cache is found.

## Parameter

string `$url`

  REST resource URL

## Throws

throws no exceptions thrown

## Note

This function can not be called statically.

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PEAR_REST::getCache() | Up | PEAR_REST::retrieveCacheFirst()