@syngress,
It seems like you are passing the date-time string to dataPoints. To display the chart containing date-time value in PHP, you need to first convert date-time string to PHP timestamp using strtotime(). Later convert PHP timestamp value to javascript timestamp and assign that value to dataPoint x-value in the following format –
[x]=> (strtotime(“2021-06-11 15:51:38”)*1000)
Please take a look at this sample project for an example on rendering the chart in PHP using date-time values data from database.
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Manoj Mohan
Team CanvasJS