Can't pull oci array with ajax for use with ChartJs - php

Question

I'm trying to use ChartJs and pull data from our Oracle database. I have followed the documentation as best I could and tried to adapt them for my oci output but I can't seem to get the data pulled.Here is my fetch array from data.php:
oci_execute($query);
$data = array();
while($row = oci_fetch_array($query, OCI_ASSOC)) {
$data[] = $row;
}
print json_encode($data);
Which outputs this:
[{"DT":"01-FEB-18","SHIFTS":"FIRST","TOTAL":"6","IP":"5","DOMESTIC":"2","P_RICO":"3","EXPORTS":"1"},{"DT":"31-JAN-18","SHIFTS":"SECOND","TOTAL":"66","DOMESTIC":"49","P_RICO":"4","EXPORTS":"13"},{"DT":"31-JAN-18","SHIFTS":"FIRST","TOTAL":"55","DOMESTIC":"30","P_RICO":"1","EXPORTS":"24"},{"DT":"30-JAN-18","SHIFTS":"SECOND","TOTAL":"52","DOMESTIC":"34","P_RICO":"10","EXPORTS":"8"},{"DT":"30-JAN-18","SHIFTS":"FIRST","TOTAL":"69","DOMESTIC":"55","P_RICO":"2","EXPORTS":"12"},{"DT":"29-JAN-18","SHIFTS":"SECOND","TOTAL":"61","DOMESTIC":"41","P_RICO":"10","EXPORTS":"10"},{"DT":"29-JAN-18","SHIFTS":"FIRST","TOTAL":"48","DOMESTIC":"43","P_RICO":"2","EXPORTS":"3"},{"DT":"28-JAN-18","SHIFTS":"SECOND","TOTAL":"53","DOMESTIC":"44","P_RICO":"1","EXPORTS":"8"},{"DT":"28-JAN-18","SHIFTS":"FIRST","TOTAL":"53","DOMESTIC":"43","P_RICO":"3","EXPORTS":"7"}]
The PHP variables that I'm concerned with are DT, SHIFTS, and TOTAL. On my index.php I have this ajax call to get the variables:
$.ajax({
url: "data.php",
method: "GET",
success: function(data) {
console.log(data);
var shifts = [];
var total = [];
var dt = [];
for(var i in data) {
shifts.push("Shift " + data[i].SHIFTS);
total.push(data[i].TOTAL);
dt.push(data[i].DT);
}
var chartdata = {
labels: shifts,
datasets : [
{
label: 'Shipments Complete',
backgroundColor: 'rgba(200, 200, 200, 0.75)',
borderColor: 'rgba(200, 200, 200, 0.75)',
hoverBackgroundColor: 'rgba(200, 200, 200, 1)',
hoverBorderColor: 'rgba(200, 200, 200, 1)',
data: total
}
]
};
var ctx = $("#ships");
var barGraph = new Chart(ctx, {
type: 'bar',
data: chartdata
});
},
error: function(data) {
console.log(data);
}
});
when I run index.php it just says that the variables are undefined.Can anyone point out where I'm going wrong?