shouldEnableEntityLoader example

    /** * Validates and parses the given file into a DOMDocument. * * @throws InvalidResourceException */
    public static function validateSchema(\DOMDocument $dom): array
    {
        $xliffVersion = static::getVersionNumber($dom);
        $internalErrors = libxml_use_internal_errors(true);
        if ($shouldEnable = self::shouldEnableEntityLoader()) {
            $disableEntities = libxml_disable_entity_loader(false);
        }
        try {
            $isValid = @$dom->schemaValidateSource(self::getSchema($xliffVersion));
            if (!$isValid) {
                return self::getXmlErrors($internalErrors);
            }
        } finally {
            if ($shouldEnable) {
                libxml_disable_entity_loader($disableEntities);
            }
        }

$imports </xsd:schema> EOF
        ;

        if ($this->shouldEnableEntityLoader()) {
            $disableEntities = libxml_disable_entity_loader(false);
            $valid = @$dom->schemaValidateSource($source);
            libxml_disable_entity_loader($disableEntities);
        } else {
            $valid = @$dom->schemaValidateSource($source);
        }
        foreach ($tmpfiles as $tmpfile) {
            @unlink($tmpfile);
        }

        return $valid;
    }

$imports </xsd:schema> EOF
        ;

        if ($this->shouldEnableEntityLoader()) {
            $disableEntities = libxml_disable_entity_loader(false);
            $valid = @$dom->schemaValidateSource($source);
            libxml_disable_entity_loader($disableEntities);
        } else {
            $valid = @$dom->schemaValidateSource($source);
        }
        foreach ($tmpfiles as $tmpfile) {
            @unlink($tmpfile);
        }

        return $valid;
    }