elementor-remove-hidden-sections.php

<?php 

 /**
 * prevent Elementor sections and containers from rendering on frontend if they are set to hide in all 3 responsive settings
 */
function do_not_render_hidden_sections( $should_render, $section ) {

	// skip check if we are and editing
	if ( is_admin() ) { return $should_render; } 

	$settings = $section->get_settings_for_display();
	
	//$breakpoints = ['desktop', 'tablet', 'mobile', 'laptop', 'tablet_extra', 'widescreen'];
	$breakpoints = ['desktop', 'tablet', 'mobile'];
	// Check if hidden on all breakpoints
	if ( breakpoints_marked_as_hidden($breakpoints, $settings) ){
		return false;
	}

	return $should_render;
}

function breakpoints_marked_as_hidden( $breakpoints, $settings ) {
	$hidden = 0;
	foreach( $breakpoints as $key ) {
		$key = 'hide_'.$key;
		if ( isset( $settings[ $key ] ) && !empty( $settings[ $key] )){
			$hidden++;
		}
	}
	return ($hidden >= count($breakpoints) );
}
add_filter( 'elementor/frontend/section/should_render', 'do_not_render_hidden_sections', 10, 2 );
add_filter( 'elementor/frontend/container/should_render', 'do_not_render_hidden_sections', 10, 2 );