$cache→save()

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 3.0.251