Get Image Meta Tags of Any Attachment Image in Wordpress

<?php $myMetaFields = get_post_meta($post->ID, 'YOUR_META_KEY', true);

	foreach($myMetaFields as $singleFiled) {
		$attachmentId = $singleFiled['icon'];
	    $attachmentUrl = wp_get_attachment_image_src( $attachmentId, 'full' );
	    $src = $attachmentUrl[0];

	    $attachmentMetaData = wp_get_attachment_metadata($attachmentId);

	    $attachmentWidth = $attachmentMetaData['width'];
	    $attachmentHeight = $attachmentMetaData['height'];
	    $attachmentFileURL = $attachmentMetaData['file'];

	    // attachments are one of the wordpress built-in 'Post Type'
	    $imgMeta = get_post($attachmentId);												// Retrieves post data by given a post ID

	    $imgTitle = $imgMeta->post_title;
	    $imgCaption = $imgMeta->post_excerpt;
	    $imgDescription = $imgMeta->post_content;
	    $imgAltTag = get_post_meta($attachmentId, '_wp_attachment_image_alt', true);	// Through WP built-in function

	    #echo $imgAltTag. '<br>'; ?>

	    <img src="<?php echo $src; ?>">
	
	<?php 
	}?>