<?php include_once("connection.php"); $postData=json_decode(file_get_contents('php://input')); //echo "Input:- <pre>".print_r($postData, 1)."</pre>\n\n"; die; $mobileNo=$postData->mobileNo; $userId=$postData->userId; $res=$con->query("SELECT id FROM userLogin WHERE userName='$mobileNo' AND id!='$userId' LIMIT 1"); echo $res->num_rows; ?>