finlabsindia/wp-content/themes/vamtam-consulting/slider-layerslider.php

<?php

/**
 * Header slider template for LayerSlider WP
 *
 * @package vamtam/consulting
 */

$post_id = vamtam_get_the_ID();

if ( is_null( $post_id ) ) {
	return;
}

$id = (int) str_replace( 'layerslider-', '', vamtam_post_meta( $post_id, 'slider-category', true ) );

if ( ! empty( $id ) && function_exists( 'layerslider_check_unit' ) ) {
	$slider = lsSliderById( $id );

	if ( null !== $slider ) {
		echo "<div class='layerslider-fixed-wrapper' style='height:" . esc_attr( layerslider_check_unit( $slider['data']['properties']['height'] ) ) . "'>";
		echo do_shortcode( '[layerslider id="' . $id . '"]' ); // xss ok
		echo '</div>';
		echo '<div style="height:1px;margin-top:-1px"></div>';

		wp_enqueue_script( 'vamtam-ls-height-fix' );
	}
}