<?php

require 'connect-mysql.php';

$json = '[{"run_id":"1","timeS":"00:00:00","lng":"53.408709","lat":"-2.996161"},{"run_id":"1","timeS":"00:00:00","lng":"53.408709","lat":"-2.996161"},{"run_id":"1","timeS":"00:00:00","lng":"53.408709","lat":"-2.996161"},{"run_id":"1","timeS":"00:00:00","lng":"53.408709","lat":"-2.996161"}]';

$array = json_decode($json); // decode json

$size = count($array);

for ($x = 0; $x <= $size - 1; $x++)
{
    $run = $array[$x]->run_id;
    $timeStamp = $array[$x]->timeS;
    $lng = $array[$x]->lng;
    $lat = $array[$x]->lat;

    //echo $array[$x]->exercise_name;
    $mysql_qry = "INSERT INTO run_gps (run_id, time, decimal_degrees_lng, decimal_degrees_lat) VALUES ('$run', '$timeStamp', '$lng', '$lat');";
    $result = mysqli_query($dbcon ,$mysql_qry);
    echo $mysql_qry;
}
?>