Jobhunt - Change Post A Job Form Custom Taxonomy Fields as Required

functions.php

if ( ! function_exists( 'jh_child_submit_job_form_change_taxonomy_fields_required' ) ) {
    function jh_child_submit_job_form_change_taxonomy_fields_required( $fields ) {
        if( isset( $fields['job']['job_category'] ) ) {
            $fields['job']['job_category']['required'] = true;
        }

        if( isset( $fields['job']['job_listing_salary'] ) ) {
            $fields['job']['job_listing_salary']['required'] = true;
        }

        if( isset( $fields['job']['job_listing_career_level'] ) ) {
            $fields['job']['job_listing_career_level']['required'] = true;
        }

        if( isset( $fields['job']['job_listing_experience'] ) ) {
            $fields['job']['job_listing_experience']['required'] = true;
        }

        if( isset( $fields['job']['job_listing_gender'] ) ) {
            $fields['job']['job_listing_gender']['required'] = true;
        }

        if( isset( $fields['job']['job_listing_industry'] ) ) {
            $fields['job']['job_listing_industry']['required'] = true;
        }

        if( isset( $fields['job']['job_listing_qualification'] ) ) {
            $fields['job']['job_listing_qualification']['required'] = true;
        }

        return $fields;
    }
}
add_filter( 'submit_job_form_fields', 'jh_child_submit_job_form_change_taxonomy_fields_required', 30 );