function tryCache ( ) {
#----------------------------------------------------------------------
global $cacheFile, $config;
#--- Build whole cacheId
$cacheIdParts = func_get_args(); # indirect because direct usage results in error before PHP 5.3 (see documentation)
$cacheId = implode( '_', $cacheIdParts );
#--- If cacheId is invalid, then don't use the cache
if ( ! preg_match( '/^\w+$/', $cacheId ) ) {
cacheLog( "invalid: $cacheId" );
return;
}
#--- If debugging or caching disabled, then don't use the cache
if ( wcaDebug() || paramExists('nocache') ) {
cacheLog( "debug/noCache: $cacheId" );
return;
}
#--- If it's in the cache already, then just deliver from cache and exit
$cacheFile = $config->get('filesPath') . "generated/cache/$cacheId.cache";
if ( file_exists( $cacheFile ) ) {
echo "<!-- rfc -->\n";
echo file_get_contents( $cacheFile );
cacheLog( "use: $cacheId\t" . filesize($cacheFile) );
exit;
}
#--- Otherwise, start recording for the cache
ob_start();
}
function get_GET($key, $regexp = null)
{
if (!paramExists($key)) {
return null;
} else {
$GET = getRawParamsThisShouldBeAnException();
if ($regexp) {
return preg_replace($regexp, '', $GET[$key]);
} else {
return $GET[$key];
}
}
}
