JSON output Class

JSON.php

<?php

class JSON {
    
    // Options array
    private $options = array();
    
    /**
     * Construct
     *
     * @param $options
     */
    public function __construct( array $options = array() ) {
        
        // Default options
        $default = array(
            'echo' => true,
            'exit' => true,
            'setHeader' => true
        );
        
        // Set options
        $this->options = array_merge( $default, $options );
        
    }

    /**
     * Output
     *
     * @param mixed $data Data output
     * @param int $code HTTP Response Code
     */
    public function output( $data, $code = 200 ) {

        // Codes
        $codes = array(
            200 => 'OK',
            201 => 'Created',
            204 => 'No Content',
            400 => 'Bad Request',
            401 => 'Unauthorized',
            403 => 'Forbidden',
            404 => 'Not Found',
            405 => 'Method Not Allowed'
        );

        // Validate code
        if ( !array_key_exists($code, $codes) ) {
            throw new Exception('JSON Error: Unsupported HTTP Response Code');
        }

        // Add Code to Response
        $response['code'] = $code;
        $response['status'] = $codes[$code];

        // Add Data
        $response['data'] = $data;

        // Set Status code
        http_response_code($code);

        // Convert to JSON
        $json = json_encode($response);
        
        // Set JSON Header?
        if ( $this->options['setHeader'] === true ) {
            header('Content-type: application/json');
        }
        
        // Echo?
        if ( $this->options['echo'] === true ) {
            echo $json;
        }

        // Exit?
        if ( $this->options['exit'] === true ) {
            exit;
        }
        
        return $json;

    }

}