PHP/ JSON: Data from MySQL database does not appear in calendar - php

Question

Currently, I created a system that uses daypilot calendar. For example, when I clicked a date, it will show the list of activities on that selected date.
Below code is successful display the list:
<?php
require_once '../../../config/configPDO.php';
$Fac_ID = strtolower($_GET['Fac_ID']);
$Room_Desc = strtolower($_GET['Room_Desc']);
$stmt = $conn->prepare("SELECT * FROM booking LEFT JOIN room ON booking.Room_ID = room.Room_ID
WHERE room.Fac_ID = '$Fac_ID' AND room.Room_Desc = '$Room_Desc' AND Book_Status <> 'Reject'");
$stmt->execute();
$result = $stmt->fetchAll();
class Event {}
$events = array();
foreach($result as $row) {
$e = new Event();
$e->id = $row['Book_No'];
$e->text = "Meeting Name: ". $row['Meeting_Description']. " || " ."Requested by: ".$row['Requested_by']. " || " ."Location: ".$row['Fac_ID']. ", " .$row['Room_Desc'];
$e->start = $row['StartTime'];
$e->end = $row['EndTime'];
$events[] = $e;
}
header('Content-Type: application/json');
echo json_encode($events);
?>
But, when I change the code (Because want to retrieve json data), the data doesn't display at calendar.
Below is the code:
<?php
require_once '../../../config/configPDO.php';
$Fac_ID = strtolower($_GET['Fac_ID']);
$Room_Desc = strtolower($_GET['Room_Desc']);
//retrieve json
$url = "http://172.20.0.45/TGWebService/TGWebService.asmx/displayPABooking?Fac_ID=$Fac_ID&Room_Desc=$Room_Desc&Room_ID=&Book_No=&Book_Date_From=&Book_Date_To=";
$data = file_get_contents($url); //line 10
$json = json_decode($data);
$result = $json->bookingList; //line 12
class Event {}
$events = array(); //
foreach($result as $row) { //line 17
$e = new Event();
$e->id = $row->bookNo;
$e->text = "Meeting Name: ".$row->desc. " || " ."Requested by: ".$row->requestedBy." || " ."Location: ".$row->facID.", " .$row->roomName;
$e->start = $row->startTime;
$e->end = $row->endTime;
$events[] = $e;
}
header('Content-Type: application/json');
echo json_encode($events);
?>
And, This is the error that I found at console:
PHP Warning: file_get_contents(http://172.20.0.45/TGWebService/TGWebService.asmx/displayPABooking?Fac_ID=TGT&Room_Desc=LEVEL 1 &Room_ID=&Book_No=&Book_Date_From=&Book_Date_To=): failed to open stream: HTTP request failed! HTTP/1.1 400 Bad Request
in C:\inetpub\wwwroot\ebooking\pages\manual_booking\backend\backend_events.php on line 10
PHP Notice: Trying to get property 'bookingList' of non-object in C:\inetpub\wwwroot\ebooking\pages\manual_booking\backend\backend_events.php on line 12
PHP Warning: Invalid argument supplied for foreach() in C:\inetpub\wwwroot\ebooking\pages\manual_booking\backend\backend_events.php on line 17
Can I know where I need to change? Thanks

Answer 1

This is probably because of the space in "Level 1". Try urlencoding your $_GET parameters:
$url = "http://172.20.0.45/TGWebService/TGWebService.asmx/displayPABooking?Fac_ID=" . urlencode($Fac_ID) . "&Room_Desc=" . urlencode($Room_Desc) . "&Room_ID=&Book_No=&Book_Date_From=&Book_Date_To=";
If you want to make the variable substitution more explicit, you could use strtr:
$template = "http://172.20.0.45/TGWebService/TGWebService.asmx/displayPABooking?Fac_ID={Fac_ID}&Room_Desc={Room_Desc}&Room_ID=&Book_No=&Book_Date_From=&Book_Date_To=";
$url = strtr($template, array(
'{Fac_ID}' => $Fac_ID,
'{Room_Desc}' => $Room_Desc
));