/** Emit a JSON document.
*
* Typically this is the last command in your document, but it doesn't have to be.
*
* @param Array $out Response to output
* @param Boolean $allow_jsonp Should JSON-P Callbacks be allowed? (Default: true)
**/
function json_Emit($out, $allow_jsonp = true)
{
$prefix = "";
$suffix = "";
// By default, PHP will make '/' slashes in to '\/'. These flags fix that //
$out_format = JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES;
// If 'pretty' mode (i.e. readable) //
if (isset($_GET['pretty'])) {
$out_format |= JSON_PRETTY_PRINT;
}
// JSON-P //
if (isset($_GET['callback'])) {
if ($allow_jsonp) {
$callback = $_GET['callback'];
if (json_IsValidJSONPCallback($callback)) {
$prefix = $callback . "(";
$suffix = ");";
} else {
$out = json_NewErrorResponse(400, "Invalid JSON-P Callback");
}
} else {
$out = json_NewErrorResponse(401, "JSON-P Unavailable");
}
}
// Debug Info //
if (defined('CMW_PHP_DEBUG') && isset($_GET['debug'])) {
$out['debug'] = [];
if (isset($_SERVER['PATH_INFO'])) {
$out['debug']['url'] = $_SERVER['PATH_INFO'];
}
if (getenv('REDIRECT_URL')) {
$out['debug']['redirect_url'] = getenv('REDIRECT_URL');
}
if (getenv('REDIRECT_QUERY_STRING')) {
$out['debug']['redirect_query'] = getenv('REDIRECT_QUERY_STRING');
}
}
// Output the Page //
header('Content-Type: application/json');
echo $prefix, str_replace('</', '<\\/', json_encode($out, $out_format)), $suffix;
}
/** Emit a JSON document.
*
* Typically this is the last command in your document, but it doesn't have to be.
*
* @param Array $out Response to output
* @param Boolean $allow_jsonp Should JSON-P Callbacks be allowed? (Default: true)
**/
function json_Emit($out, $allow_jsonp = true)
{
$prefix = "";
$suffix = "";
// By default, PHP will make '/' slashes in to '\/'. These flags fix that //
$out_format = JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES;
// If 'pretty' mode (i.e. readable) //
if (isset($_GET['pretty'])) {
$out_format |= JSON_PRETTY_PRINT;
}
// JSON-P //
if (isset($_GET['callback'])) {
if ($allow_jsonp) {
$callback = $_GET['callback'];
if (json_IsValidJSONPCallback($callback)) {
$prefix = $callback . "(";
$suffix = ");";
} else {
$out = json_NewErrorResponse(400, "Invalid JSON-P Callback");
}
} else {
$out = json_NewErrorResponse(401, "JSON-P Unavailable");
}
}
// Debug Info //
if (defined('CMW_PHP_DEBUG') && isset($_GET['debug'])) {
$out['debug'] = [];
if (isset($GLOBALS['_CORE_SCRIPT_TIMER'])) {
$out['debug']['execute_time'] = core_MicrotimeToString($GLOBALS['_CORE_SCRIPT_TIMER']);
}
if (function_exists('db_GetQueryCount')) {
$out['debug']['db_queries'] = db_GetQueryCount();
}
if (function_exists('cache_GetReads')) {
$out['debug']['cache_reads'] = cache_GetReads();
$out['debug']['cache_writes'] = cache_GetWrites();
}
if (function_exists('opcache_is_script_cached')) {
// Technically, this is checking if "json.php" isn't cached //
if (!opcache_is_script_cached(__FILE__)) {
$out['debug']['opcache'] = "disabled";
}
} else {
$out['debug']['opcache'] = "unavailable";
}
if (isset($_SERVER['PATH_INFO'])) {
$out['debug']['url'] = $_SERVER['PATH_INFO'];
}
if (getenv('REDIRECT_URL')) {
$out['debug']['redirect_url'] = getenv('REDIRECT_URL');
}
if (getenv('REDIRECT_QUERY_STRING')) {
$out['debug']['redirect_query'] = getenv('REDIRECT_QUERY_STRING');
}
}
// Output the Page //
header('Content-Type: application/json');
header("Cache-Control: no-cache, no-store, must-revalidate");
// HTTP 1.1.
//header("Pragma: no-cache"); // HTTP 1.0.
//header("Expires: 0"); // Proxies.
echo $prefix, str_replace('</', '<\\/', json_encode($out, $out_format)), $suffix;
}
