src/Http/Response/Format/JsonOptionalFormatting.php
protected function isCustomIndentStyleRequired()
    {
        return $this->isJsonPrettyPrintEnabled() &&
            isset($this->options['indent_style']) &&
            in_array($this->options['indent_style'], $this->indentStyles);
    }
protected function isCustomIndentStyleRequired()
    {
        return $this->isJsonPrettyPrintEnabled() &&
            isset($this->options['indent_style']) &&
            in_array($this->options['indent_style'], $this->indentStyles);
    }
protected function isCustomIndentStyleRequired ( ) { return $ this -> isJsonPrettyPrintEnabled ( ) && isset ( $ this -> options [ 'indent_style' ] ) && in_array ( $ this -> options [ 'indent_style' ] , $ this -> indentStyles ) ; }
Determine if JSON custom indent style is set.

@return bool
Determine if JSON custom indent style is set .