How do I display image path in place of $d

How do I display image path in place of $d

samadhangsamadhang Posts: 2Questions: 2Answers: 0

I want to display images in one of the column. I have added images path in database. Now what I tried is below. It displays $d instead of image path and also blank image is displayed in cells. Please help me to replace $d value with actual values in image tag.
array( 'db' => 'showimage', 'dt' => 4, 'formatter' => function( $d, $row ) { return '<img src="$d" style="height:50px;width:50px;align:middle;"/>'; } ),

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