updateProfile.php

<?php
	include("init.php");//Includes all the necessary files

	if($_SERVER['REQUEST_METHOD']=="POST"){
		$messages=array();
		$response=array();

		//extract the datas
		$rollno=trim(strtolower(clean($_POST['rollno'])));
		$phone=clean($_POST['phone']);
		$employment_type=clean($_POST['employment_type']);
		$present_employer=clean($_POST['present_employer']);
		$designation=clean($_POST['designation']);
		$fb_link=clean($_POST['fb_link']);
		$linkedin_link=clean($_POST['linkedin_link']);
		$address=clean($_POST['address']);
		$country=clean($_POST['country']);
		$state=clean($_POST['state']);
		$city=clean($_POST['city']);
		$about = clean($_POST['about']);

		// Verification
		$error = array();
		// Phone Verification
		$valid_phone = $phone;
		if ($valid_phone[0] == '+') $valid_phone = substr($valid_phone,1);
		$valid_phone = preg_replace('/[-() ]/', '', $valid_phone);
		if (!preg_match("/^[0-9]*$/", $valid_phone)){
			$error = "Invalid phone number";
		}
		else if (strlen($valid_phone) < 10 or strlen($valid_phone) > 14) {
			$error = "Invalid phone number";
		}


		if(!empty($error)){
			$response['status']=400;
			$response['messages']=$error;
			echo json_encode($response);
		}
		else{
			$sql="UPDATE alumnus SET phone='$phone', employment_type='$employment_type', present_employer='$present_employer', designation='$designation', fb_link='$fb_link', linkedin_link='$linkedin_link', address= '$address', country='$country', state='$state', city='$city', about='$about' WHERE rollno='$rollno'";
			$result=query($sql);
			$status=205;
			$messages[]="Profile succesfully updated";

			$response['status']=$status;
			$response['messages']=$messages;
			echo json_encode($response);
		}


	}//End of post request