RESTp allows you to get primary key of the table easily by specifying the GET parameter. You need to pass GET parameter op="primarykey" to get the primary key.
//init curl
$ch = curl_init();
//set http headers
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
// URL to be called
curl_setopt($ch, CURLOPT_URL, "http://pdocrud.com/RESTP/api/orders?op=primarykey");
//return as output instead of printing it
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
//execute curl request
$result = curl_exec($ch);
//close curl connection
curl_close($ch);
//print result
print_r($result);
jQuery(document).ready(function () {
jQuery.ajax({
url: "http://pdocrud.com/RESTP/api/orders?op=primarykey",
success: function (response) {
console.log(response);
jQuery("#js_output").text(response);
}
});
});