>
$val ) : if ( array_key_exists( $key, $available_subjects ) ) : ?>

$v ) : if ( in_array( $k, $available_subjects[ $key ], true ) ) : ?> >

> $value ) : if ( array_key_exists( $key, $available_institutions ) ) : ?> >

> $value ) : if ( in_array( $key, $available_licenses, true ) ) : ?> >

__( 'Title', 'pressbooks-aldine' ), 'subject' => __( 'Subject', 'pressbooks-aldine' ), 'latest' => __( 'Latest', 'pressbooks-aldine' ), ]; foreach ( $sorts as $key => $value ) { ?> >
1 ) : ?>