public function export_metadata(array $subcontext, string $key, $value, string $description) : content_writer {
        $path = $this->get_full_path($subcontext, 'metadata.json');

        if (file_exists($path)) {
            $data = json_decode(file_get_contents($path));
        } else {
            $data = (object) [];
        }

        $data->$key = (object) [
            'value' => $value,
            'description' => $description,
        ];

        $path = $this->get_path($subcontext, 'metadata.json');
        $this->write_data($path, json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));

        return $this;
    }
public function export_metadata(array $subcontext, string $key, $value, string $description) : content_writer {
        $path = $this->get_full_path($subcontext, 'metadata.json');

        if (file_exists($path)) {
            $data = json_decode(file_get_contents($path));
        } else {
            $data = (object) [];
        }

        $data->$key = (object) [
            'value' => $value,
            'description' => $description,
        ];

        $path = $this->get_path($subcontext, 'metadata.json');
        $this->write_data($path, json_encode($data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));

        return $this;
    }
public function export_metadata ( array $ subcontext , string $ key , $ value , string $ description ) : content_writer { $ path = $ this -> get_full_path ( $ subcontext , 'metadata.json' ) ; if ( file_exists ( $ path ) ) { $ data = json_decode ( file_get_contents ( $ path ) ) ; } else { $ data = ( object ) [ ] ; } $ data -> $ key = ( object ) [ 'value' => $ value , 'description' => $ description , ] ; $ path = $ this -> get_path ( $ subcontext , 'metadata.json' ) ; $ this -> write_data ( $ path , json_encode ( $ data , JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT ) ) ; return $ this ; }
Export metadata about the supplied subcontext.

Metadata consists of a key/value pair and a description of the value.

@param   array           $subcontext The location within the current context that this data belongs.
@param   string          $key        The metadata name.
@param   string          $value      The metadata value.
@param   string          $description    The description of the value.
@return  content_writer
Export metadata about the supplied subcontext .