Meta value of 0 is not begin updated in PHP7.4

Hello,

In the plugin the following code is used in class-rest-request.php on line 157:

switch ( $meta_value ) {
	case 'IMT.REMOVE':
		$function_delete( $content_id, $meta_key );
		break;
	default:
		$function_update( $content_id, $meta_key, $meta_value);
		break;
}

However if the meta value is 0, this is not working well in PHP 7.4. This is because the way the Switch function works. The type check and type conversion have changed.

https://www.php.net/manual/en/control-structures.switch.php#127887

I’d suggest changing it to a simple if-statement like this:

if( $meta_value === 'IMT.REMOVE' ) {
	$function_delete( $content_id, $meta_key );
} else {
	$function_update( $content_id, $meta_key, $meta_value );
}

This way it will work for all PHP-versions.