how to insert multiple lines in json array in database using php - php

Question

I want to enter some details that included in JSON arrays to database.
Given below is my source code.
here is my data json array from the txt file
{
"reader_name":"Biboy Pogi",
"mac_address":"00:16:25:10:7E:85",
"tag_reads":[
{
"antennaPort":1,
"epc":"2015031687850100010105B5",
"tid":"E280110520005A8B952F0886",
"isHeartBeat":false
}
]
}
{
"reader_name":"Biboy Pogi",
"mac_address":"00:16:25:10:7E:85",
"tag_reads":[
{
"antennaPort":1,
"epc":"2015031687850100010105B5",
"tid":"E280110520005A8B952F0886",
"isHeartBeat":false
}
]
}

Answer 1

Assuming that you source data come in one json per row. You can do the iteration insert with the below sample code:
$fn = 'debug.txt';
$raw = file_get_contents($fn);
$raw = explode("\r\n", $raw);
foreach($raw as $row){
//force it to array for single item
if (substr($row, 0, 1) != '[')
$row = '[' . $row . ']';
$data_arr= json_decode($row, true);
foreach ($data_arr as $data){
$reader_name = $data['reader_name'];
$mac_address = $data['mac_address'];
$antennaPort = $data['tag_reads'][0]['antennaPort'];
$epc = $data['tag_reads'][0]['epc'];
$tid = $data['tag_reads'][0]['tid'];
$sql = "INSERT INTO tags(reader_name, mac_address, antennaPort, epc, tid)
VALUES('$reader_name', '$mac_address', '$antennaPort', '$epc', '$tid')";
if(!mysqli_query($con, $sql))
{
die('Error : ' . mysqli_error($con));
}
}
}

Answer 2

your json seems to be the problem.
try this:
[
{
"reader_name": "Biboy Pogi",
"mac_address": "00:16:25:10:7E:85",
"tag_reads": [
{
"antennaPort": 1,
"epc": "2015031687850100010105B5",
"tid": "E280110520005A8B952F0886",
"isHeartBeat": false
}
]
},
{
"reader_name": "Biboy Pogi",
"mac_address": "00:16:25:10:7E:85",
"tag_reads": [
{
"antennaPort": 1,
"epc": "2015031687850100010105B5",
"tid": "E280110520005A8B952F0886",
"isHeartBeat": false
}
]
}
]

Answer 3

You'r JSON is wrong and two times the same. Maybe you'll need it that way, but this one of them
{
"reader_name": "Biboy Pogi",
"mac_address": "00:16:25:10:7E:85",
"tag_reads": [
{
"antennaPort": 1,
"epc": "2015031687850100010105B5",
"tid": "E280110520005A8B952F0886",
"isHeartBeat": false
}
]
}
And you can't reach $antennaPort = $data['antennaPort']; that way. You have to call it like this
$antennaPort = $data['tag_reads']['antennaPort'];
$epc= $data['tag_reads'][0]['epc'];
$tid= $data['tag_reads'][0]['tid'];
EDIT
Insert into you'r database like this
mysqli_query($con,$sql)
After that, you should check for errors
if(!mysqli_query($con, $sql))
die ('Error in query: ' . mysqli_error($con));
Or you go in one line
mysqli_query($con, $sql) or die(mysqli_error());