<?php

namespace PhpOffice\PhpSpreadsheet\Chart;

use PhpOffice\PhpSpreadsheet\RichText\RichText;

class Title
{
    /**
     * Title Caption.
     *
     * @var array|RichText|string
     */
    private $caption = '';

    /**
     * Allow overlay of other elements?
     *
     * @var bool
     */
    private $overlay = true;

    /**
     * Title Layout.
     *
     * @var ?Layout
     */
    private $layout;

    /**
     * Create a new Title.
     *
     * @param array|RichText|string $caption
     * @param ?Layout $layout
     * @param bool $overlay
     */
    public function __construct($caption = '', ?Layout $layout = null, $overlay = false)
    {
        $this->caption = $caption;
        $this->layout = $layout;
        $this->setOverlay($overlay);
    }

    /**
     * Get caption.
     *
     * @return array|RichText|string
     */
    public function getCaption()
    {
        return $this->caption;
    }

    public function getCaptionText(): string
    {
        $caption = $this->caption;
        if (is_string($caption)) {
            return $caption;
        }
        if ($caption instanceof RichText) {
            return $caption->getPlainText();
        }
        $retVal = '';
        foreach ($caption as $textx) {
            /** @var RichText|string */
            $text = $textx;
            if ($text instanceof RichText) {
                $retVal .= $text->getPlainText();
            } else {
                $retVal .= $text;
            }
        }

        return $retVal;
    }

    /**
     * Set caption.
     *
     * @param array|RichText|string $caption
     *
     * @return $this
     */
    public function setCaption($caption)
    {
        $this->caption = $caption;

        return $this;
    }

    /**
     * Get allow overlay of other elements?
     *
     * @return bool
     */
    public function getOverlay()
    {
        return $this->overlay;
    }

    /**
     * Set allow overlay of other elements?
     *
     * @param bool $overlay
     */
    public function setOverlay($overlay): void
    {
        $this->overlay = $overlay;
    }

    public function getLayout(): ?Layout
    {
        return $this->layout;
    }
}

• [D] Renderer
• [F] Axis.php
  Delete
• [F] AxisText.php
  Delete
• [F] Chart.php
  Delete
• [F] ChartColor.php
  Delete
• [F] DataSeries.php
  Delete
• [F] DataSeriesValues.php
  Delete
• [F] Exception.php
  Delete
• [F] GridLines.php
  Delete
• [F] Layout.php
  Delete
• [F] Legend.php
  Delete
• [F] PlotArea.php
  Delete
• [F] Properties.php
  Delete
• [F] Title.php
  Delete
• [F] TrendLine.php
  Delete

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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}