Mgallegos\LaravelJqgrid\Renders\JqGridRender::addGroupHeader PHP Method

addGroupHeader() public method

This method has no effect when working with pivot grid.
public addGroupHeader ( array $properties = [] )
$properties array An array of valid group header options. Online documentation available at http://www.trirand.com/jqgridwiki/doku.php?id=wiki:groupingheadar
    public function addGroupHeader(array $properties = array())
    {
        foreach ($this->optionValidators as $validator) {
            $validator->validate(array_add(array(), $option, $value));
        }
        $this->markFunctionTypeProperty($properties);
        if (!isset($this->groupHeaderOptions['groupHeaders'])) {
            $this->groupHeaderOptions['groupHeaders'] = array();
        }
        array_push($this->groupHeaderOptions['groupHeaders'], $properties);
        return $this;
    }