Saves the PHP source code in the cache.
| public set ( string $entryIdentifier, string $sourceCode, array $tags = [], integer $lifetime = null ) : void | ||
| $entryIdentifier | string | An identifier used for this cache entry, for example the class name |
| $sourceCode | string | PHP source code |
| $tags | array | Tags to associate with this cache entry |
| $lifetime | integer | Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime. |
| return | void | |
/**
* Shutdown the Evaluator and save created expressions overwriting any existing expressions
*
* @return void
*/
public function saveRuntimeExpressions()
{
if ($this->newExpressions === []) {
return;
}
$codeToBeCached = 'return array (' . chr(10);
foreach ($this->newExpressions as $name => $function) {
$codeToBeCached .= "'" . $name . "' => " . $function . ',' . chr(10);
}
$codeToBeCached .= ');';
$this->runtimeExpressionsCache->set('Flow_Aop_RuntimeExpressions', $codeToBeCached);
}
/**
* Shutdown the Evaluator
*/
public function shutdownObject()
{
if (count($this->newExpressions) > 0) {
$changesToPersist = false;
$codeToBeCached = $this->expressionCache->get('cachedExpressionClosures');
/**
* At this point a race condition could happen, that we try to prevent with an additional check.
* So we compare the evaluated expressions during this request with the methods the cache has at
* this point and only add methods that are not present. Only if we added anything we write the cache.
*/
foreach ($this->newExpressions as $functionName => $newExpression) {
if (strpos($codeToBeCached, $functionName) === false) {
$codeToBeCached .= 'if (!function_exists(\'' . $functionName . '\')) { ' . $newExpression . ' }' . chr(10);
$changesToPersist = true;
}
}
if ($changesToPersist) {
$this->expressionCache->set('cachedExpressionClosures', $codeToBeCached);
}
}
}
/**
* Reads the specified class file, appends ORIGINAL_CLASSNAME_SUFFIX to its
* class name and stores the result in the proxy classes cache.
*
* @param string $className Short class name of the class to copy
* @param string $pathAndFilename Full path and filename of the original class file
* @param string $proxyClassCode The code that makes up the proxy class
* @return void
*
* @throws Exception If the original class filename doesn't match the actual class name inside the file.
*/
protected function cacheOriginalClassFileAndProxyCode($className, $pathAndFilename, $proxyClassCode)
{
$classCode = file_get_contents($pathAndFilename);
$classCode = $this->stripOpeningPhpTag($classCode);
$classNameSuffix = self::ORIGINAL_CLASSNAME_SUFFIX;
$classCode = preg_replace_callback('/^([a-z\\s]*?)(final\\s+)?(interface|class)\\s+([a-zA-Z0-9_]+)/m', function ($matches) use($pathAndFilename, $classNameSuffix, $proxyClassCode) {
$classNameAccordingToFileName = basename($pathAndFilename, '.php');
if ($matches[4] !== $classNameAccordingToFileName) {
throw new Exception('The name of the class "' . $matches[4] . '" is not the same as the filename which is "' . basename($pathAndFilename) . '". Path: ' . $pathAndFilename, 1398356897);
}
return $matches[1] . $matches[3] . ' ' . $matches[4] . $classNameSuffix;
}, $classCode);
$classCode = preg_replace('/\\?>[\\n\\s\\r]*$/', '', $classCode);
$proxyClassCode .= "\n" . '# PathAndFilename: ' . $pathAndFilename;
$this->classesCache->set(str_replace('\\', '_', $className), $classCode . $proxyClassCode);
}
/**
* Set or updates an entry identified by $name
* into the cache.
*
* @param string $name
* @param string $value
*/
public function set($name, $value)
{
// we need to strip the first line with the php header as the flow cache adds that again.
return $this->flowCache->set($name, substr($value, strpos($value, "\n") + 1));
}
