function advagg_json_encode

Converts a PHP variable into its JavaScript equivalent.

Paramètres

mixed $data: Usually an array of data to be converted into a JSON string.

Return value

string If there are no errors, this will return a JSON string. FALSE will be returned on failure.

2 calls to advagg_json_encode()

advagg_pre_render_scripts dans ./advagg.module

Callback for pre_render to add elements needed for JavaScript to be rendered.

_advagg_process_html dans ./advagg.module

Replacement for template_process_html().

Fichier

./advagg.module, line 4754

Code

function advagg_json_encode($data) {
    // Different versions of PHP handle json_encode() differently.
    static $php550;
    static $php540;
    static $php530;
    if (!isset($php550)) {
        $php550 = version_compare(PHP_VERSION, '5.5.0', '>=');
    }
    if (!isset($php540)) {
        $php540 = version_compare(PHP_VERSION, '5.4.0', '>=');
    }
    if (!isset($php530)) {
        $php530 = version_compare(PHP_VERSION, '5.3.0', '>=');
    }
    // Use fallback drupal encoder if PHP < 5.3.0.
    if (!$php530) {
        return @drupal_json_encode($data);
    }
    // Default json encode options.
    $options = JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT;
    if ($php550 && variable_get('advagg_cache_level', ADVAGG_CACHE_LEVEL) >= 0) {
        // Output partial json if not in development mode and PHP >= 5.5.0.
        $options |= JSON_PARTIAL_OUTPUT_ON_ERROR;
    }
    if ($php540 && variable_get('advagg_cache_level', ADVAGG_CACHE_LEVEL) < 0) {
        // Pretty print JSON if in development mode and PHP >= 5.4.0.
        $options |= JSON_PRETTY_PRINT;
    }
    // Encode to JSON.
    $json_data = @json_encode($data, $options);
    // Uses json_last_error() if in development mode.
    if (variable_get('advagg_cache_level', ADVAGG_CACHE_LEVEL) < 0) {
        $error_number = json_last_error();
        switch ($error_number) {
            case JSON_ERROR_NONE:
                $error_message = '';
                break;
            case JSON_ERROR_DEPTH:
                $error_message = 'Maximum stack depth exceeded';
                break;
            case JSON_ERROR_STATE_MISMATCH:
                $error_message = 'Underflow or the modes mismatch';
                break;
            case JSON_ERROR_CTRL_CHAR:
                $error_message = 'Unexpected control character found';
                break;
            case JSON_ERROR_SYNTAX:
                $error_message = 'Syntax error, malformed JSON';
                break;
            case JSON_ERROR_UTF8:
                $error_message = 'Malformed UTF-8 characters, possibly incorrectly encoded';
                break;
            default:
                $error_message = 'Unknown error: ' . $error_number;
                break;
        }
        if (!empty($error_message)) {
            if (is_callable('httprl_pr')) {
                $pretty_data = httprl_pr($data);
            }
            elseif (is_callable('kprint_r')) {
                // @codingStandardsIgnoreLine
                $pretty_data = kprint_r($data, TRUE);
            }
            else {
                $pretty_data = '<pre>' . filter_xss(print_r($data, TRUE)) . '</pre>';
            }
            watchdog('advagg_json', 'Error with json encoding the Drupal.settings value. Error Message: %error_message. JSON Data: !data', array(
                '%error_message' => $error_message,
                '!data' => $pretty_data,
            ), WATCHDOG_ERROR);
        }
    }
    return $json_data;
}