How can I count my table row and display to my highcharts - php

Question

Can you guys help me with my problem?
My Highcharts graph working , But I don't have any idea to count my table cell in $as_name with month $created_date and display only gel data to my highcharts like categorie (month) and data to(as_name)count,
this is my database and my code,
Any help is well appreciated Thank you..
database
CREATE TABLE `tickets` (
`id` int(11) NOT NULL,
`as_name` varchar(50) NOT NULL,
`create_date` datetime NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
|AS_name|creater_date|
---------------------
|gel |2020-12-21 |
|gel |2020-12-21 |
|jhon |2020-12-21 |
|gel |2020-12-21 |
|jhon |2020-12-21 |
---------------------
controller.
public function index()
{
$data['list'] = $this->data();
$this->load->view('dashboard');
}
public function data()
{
$data = $this->Dashboard_model->get_data();
$category = array();
$category['name'] = 'Month';
$series1 = array();
$series1['name'] = 'WordPress';
$series2 = array();
$series2['name'] = 'Code Igniter';
$series3 = array();
$series3['name'] = 'Highcharts';
foreach ($data as $row) {
$category['data'][] = $row->month;
$series1['data'][] = $row->wordpress;
$series2['data'][] = $row->codeigniter;
$series3['data'][] = $row->highchart;
}
$result = array();
array_push($result,$category);
array_push($result,$series1);
array_push($result,$series2);
array_push($result,$series3);
print json_encode($result, JSON_NUMERIC_CHECK);
}
model
public function get_data()
{
$this->db->select('month,wordpress,codeigniter,highchart');
$this->db->from('sample');
$query = $this->db->get();
return $query->result();
}
VIEW
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var options = {
colors: ['#058DC7', '#800080', '#F08080'],//line
chart: {
renderTo: 'model',
type: 'line',
marginRight: 130,
marginBottom: 100
},
title: {
text: 'Month',//title here
x: -20 //center
},
subtitle: {
text: '',
x: -20
},
xAxis: {
categories: []
},
yAxis: {
title: {
text: 'click'//side commment
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
tooltip: {
formatter: function() {
return '<b>'+ this.series.name +'</b>'+
this.x +': '+ this.y;
}
},
legend: {
layout: 'vertical',
align: 'right',
verticalAlign: 'top',
x: -10,
y: 40,
borderWidth: 1
},
series: []
}
var url = <your web url> + "data1.json"; // assumes that your URL ends with a forward slash
$.getJSON("url", function(json) {
options.xAxis.categories = json[0]['data'];
options.series[0] = json[1];
options.series[1] = json[2];
options.series[2] = json[3];
chart = new Highcharts.Chart(options);
});
});
</script>
<script type="text/javascript" src="http://code.highcharts.com/highcharts.js"></script>
<script type="text/javascript" src="http://code.highcharts.com/modules/exporting.js"></script>
</head>
**body**
<div class="jumbotron" >
<div id="model" style="width: 600px; height: 400px; margin: 0 auto;" ></div>
</div>