}
/**
- * Determine whether downloading is supported
+ * Determine whether downloading is supported.
*
* @return array
* list of error messages; empty if OK
}
/**
- * Install or upgrade an extension from a remote URL
+ * Install or upgrade an extension from a remote URL.
*
* @param string $key
* The name of the extension being installed.
}
/**
- * Extract an extension from a zip file
+ * Extract an extension from a zip file.
*
* @param string $key
* The name of the extension being installed; this usually matches the basedir in the .zip.