Class ConfigCache

ConfigCache manages PHP cache files.

When debug is enabled, it knows when to flush the cache thanks to an array of ResourceInterface instances.

Namespace: Symfony\Component\Config
Author: Fabien Potencier <fabien@symfony.com>
Located at config/Symfony/Component/Config/ConfigCache.php

Methods summary
`public`	# `__construct( string $file, Boolean $debug )` Constructor. Constructor. Parameters `$file` `string` $file The absolute cache path `$debug` `Boolean` $debug Whether debugging is enabled or not
`public string`	# `__toString( )` Gets the cache file path. Gets the cache file path. Returns `string` The cache file path
`public Boolean`	# `isFresh( )` Checks if the cache is still fresh. Checks if the cache is still fresh. This method always returns true when debug is off and the cache file exists. Returns `Boolean` true if the cache is fresh, false otherwise
`public`	# `write( string $content, array $metadata = null )` Writes cache. Writes cache. Parameters `$content` `string` $content The content to write in the cache `$metadata` `Symfony\Component\Config\Resource\ResourceInterface[]` $metadata An array of ResourceInterface instances Throws `RuntimeException` When cache file can't be wrote