private static function getFileContents(string $filePath): ?string
    {
        // Leave the stage early when 'Unknown' is passed
        // this would otherwise raise an exception when
        // open_basedir is enabled.
        if ($filePath === 'Unknown') {
            return null;
        }

        // Return null if the file doesn't actually exist.
        if (! \is_file($filePath)) {
            return null;
        }

        return \file_get_contents($filePath);
    }
private static function getFileContents(string $filePath): ?string
    {
        // Leave the stage early when 'Unknown' is passed
        // this would otherwise raise an exception when
        // open_basedir is enabled.
        if ($filePath === 'Unknown') {
            return null;
        }

        // Return null if the file doesn't actually exist.
        if (! \is_file($filePath)) {
            return null;
        }

        return \file_get_contents($filePath);
    }
private static function getFileContents ( string $ filePath ) : ? string { // Leave the stage early when 'Unknown' is passed // this would otherwise raise an exception when // open_basedir is enabled. if ( $ filePath === 'Unknown' ) { return null ; } // Return null if the file doesn't actually exist. if ( ! \ is_file ( $ filePath ) ) { return null ; } return \ file_get_contents ( $ filePath ) ; }
Returns the full contents of the file for this frame,
if it's known.

@param string $filePath

@return null|string
Returns the full contents of the file for this frame if it s known .