availability:

WPML Version: 3.2

description:

Returns TRUE is the current language is RTL

type:
filter
category:
Site-Wide Language Information
parameters:
apply_filters( 'wpml_is_rtl', mixed $empty_value )
$empty_value
(mixed) (Required) This is normally the value the filter will be modifying. We are not filtering anything here so set this to NULL. This for the filter function to actually receive the full argument list
hook example usage:

Example

if ( apply_filters( 'wpml_is_rtl', NULL) ) {
    //Link to RTL CSS stylesheet
} else {
    //Link to LTR CSS stylesheet
}

// Alternatively

//Include link to LTR CSS stylesheet here

if ( apply_filters( 'wpml_is_rtl', false ) ) {
    //Link to RTL CSS stylesheet
}