$cache->save() method

Save data to cache with given name

Example

$value = "This is the value that will be cached.";

// cache the value, using default expiration (daily)
$cache->save("my-cache-name", $value);

// cache the value, and expire after 1 hour (3600 seconds)
$cache->save("my-cache-name", $value, 3600); 

Usage

// basic usage
$bool = $cache->save(string $name, $data);

// usage with all arguments
$bool = $cache->save(string $name, $data, $expire = 86400);

Arguments

NameType(s)Description
namestring

Name of cache, can be any string up to 255 chars

datastring, array, PageArray

Data that you want to cache. May be string, array of non-object values, or PageArray.

expire (optional)int, string, Page

Lifetime of this cache, in seconds, OR one of the following:

  • Specify one of the WireCache::expire* constants.
  • Specify the future date you want it to expire (as unix timestamp or any strtotime() compatible date format)
  • Provide a Page object to expire when any page using that template is saved.
  • Specify WireCache::expireNever to prevent expiration.
  • Specify WireCache::expireSave to expire when any page or template is saved.
  • Specify selector string matching pages that–when saved–expire the cache.

Return value

bool

Returns true if cache was successful, false if not

Exceptions

Method can throw exceptions on error:

  • WireException - if given data that cannot be cached


$cache methods and properties

API reference based on ProcessWire core version 3.0.172

Twitter updates

  • ProcessWire 3.0.174 core updates: improvements to the new path/URL hooks and more— More
    12 March 2021
  • ProcessWire 3.0.173 adds several new requested features and this post focuses on one of my favorites: the ability to hook into and handle ProcessWire URLs, independent of pages— More
    5 March 2021
  • This week ProcessWire gained powerful new tools for finding pages and controlling how they are loaded. If you like to maximize performance and efficiency, you’ll like what 3.0.172 brings— More
    5 February 2021

Latest news

  • ProcessWire Weekly #356
    In the 356th issue of ProcessWire Weekly we'll cover the latest core updates (ProcessWire 3.0.173), introduce new third party modules RockCalculator and RockIframe, and take a closer look at a brand new site of the week. Read on!
    Weekly.pw / 6 March 2021
  • ProcessWire 3.0.173 core updates: New URL hooks
    ProcessWire 3.0.173 adds several new requested features and this post focuses on one of my favorites: the ability to hook into and handle ProcessWire URLs, independent of pages.
    Blog / 5 March 2021
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I just love the easy and intuitive ProcessWire API. ProcessWire rocks!” —Jens Martsch, Web developer