$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, 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 3.0.125

Twitter updates

  • New post: This week we take a look at what’s in ProcessWire 3.0.126 which focuses largely on resolving issue reports, but also includes a handy new Page if() method— More
    15 February 2019
  • New post: ProcessWire 3.0.125 has several useful new Sanitizer methods & options, plus new ways to access them directly from the Input API variable. This makes handling user input even easier than before. Plus updates to our i18n functions & API docs— More
    25 January 2019
  • New post: In this week’s post, we’ll take a look a look at the new website and focus on some parts of it and how they were built. Then we’ll dive into the latest version of ProcessWire on the dev branch, version 3.0.124— More
    11 January 2019

Latest news

  • ProcessWire Weekly #249
    In the 249th issue of ProcessWire Weekly we're going to walk you through the latest core updates (ProcessWire 3.0.126), introduce a new third party module called Page Access Releasetime, and pick a new site of the week. Read on!
    Weekly.pw / 16 February 2019
  • ProcessWire 3.0.126 core updates
    This week we take a look at what’s in ProcessWire 3.0.126 which focuses largely on resolving issue reports, but also includes a handy new $page->if() method. 
    Blog / 15 February 2019
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