src/includes/classes/Core/Utils/Eols.php
public function normalize($value, bool $compress = false)
    {
        if (is_array($value) || is_object($value)) {
            foreach ($value as $_key => &$_value) {
                $_value = $this->normalize($_value, $compress);
            } // unset($_key, $_value);
            return $value;
        }
        if (!($string = (string) $value)) {
            return $string; // Nothing to do.
        }
        $string = str_replace(["\r\n", "\r"], "\n", $string);
        $string = $compress ? preg_replace('/'."\n".'{3,}/u', "\n\n", $string) : $string;

        return $string;
    }
public function normalize($value, bool $compress = false)
    {
        if (is_array($value) || is_object($value)) {
            foreach ($value as $_key => &$_value) {
                $_value = $this->normalize($_value, $compress);
            } // unset($_key, $_value);
            return $value;
        }
        if (!($string = (string) $value)) {
            return $string; // Nothing to do.
        }
        $string = str_replace(["\r\n", "\r"], "\n", $string);
        $string = $compress ? preg_replace('/'."\n".'{3,}/u', "\n\n", $string) : $string;

        return $string;
    }
Normalizes end of line chars deeply.

@since 150424 Initial release.

@param mixed $value    Any input value.
@param bool  $compress Compress `\n{3,}` into `\n\n`?

@return string|array|object With normalized end of line chars deeply.