method getSet documentation in bbn\Cache
Returns the cache for the given item, but if expired or absent creates it before by running the provided function.
function(callable $fn, string $item, int $ttl = NULL)
{
switch (self::$type) {
case 'apc':
break;
case 'memcache':
break;
case 'files':
// Getting the data
$tmp = $this->getRaw($item, $ttl);
$data = null;
// Can't get the data
if (!$tmp) {
$file = self::_file($item, $this->path);
// Temporary file will be created to tell other processes the cache is being created
$tmp_file = X::dirname($file).'/_'.X::basename($file);
// Will become true if the cache should be created
$do = false;
// If the temporary file doesn't exist we create one
if (!$this->fs->isFile($tmp_file)) {
$this->fs->createPath(X::dirname($tmp_file));
$this->fs->putContents($tmp_file, ' ');
// If the original file exists we delete it
if ($this->fs->isFile($file)) {
$this->fs->delete($file);
}
$timer = new Util\Timer();
$timer->start();
try {
$data = $fn();
}
catch (Exception $e) {
unlink($tmp_file);
throw $e;
}
$exec = $timer->stop();
$this->set($item, $data, $ttl, $exec);
$this->fs->delete($tmp_file);
}
// Otherwise another process is certainly creating the cache, so wait for it
else {
return $this->get($item);
}
// Creating the cache
}
else {
$data = $tmp['value'];
}
return $data;
}
}
Returns the cache for the given item, but if expired or absent creates it before by running the provided function. BBN is a suite of PHP and JS libraries and VueJS components - all open-source! bbn.io, build applications, the quick way
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