JezK

Edit File: location-extra-field.php

<?php
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

// Step1: Add Fields
add_action( 'jobs_location_add_form_fields', 'jobwp_location_add_extra_fields', 10, 2 );
function jobwp_location_add_extra_fields( $taxonomy ) {
    ?>
    <div class="form-field term-group">
        <label for="jobwp_location_country"><?php _e('Country Code  (2 Digits)', 'jobwp'); ?></label>
        <input type="text" name="jobwp_location_country"  id="jobwp-location-country" class="jobwp-location-country small-text">
    </div>
    <div class="form-field term-group">
        <label for="jobwp_location_region"><?php _e('Region', 'jobwp'); ?></label>
        <input type="text" name="jobwp_location_region"  id="jobwp-location-region" class="jobwp-location-region">
    </div>
    <div class="form-field term-group">
        <label for="jobwp_location_post_code"><?php _e('Postal Code', 'jobwp'); ?></label>
        <input type="text" name="jobwp_location_post_code"  id="jobwp-location-post-code" class="jobwp-location-post-code">
    </div>
    <?php
}

// Step2: Save Fields
add_action( 'created_jobs_location', 'jobwp_location_save_extra_fields', 10, 2 );
function jobwp_location_save_extra_fields ( $term_id, $tt_id ) {
	
    // Postal Code
    $jobwp_location_post_code = ( isset( $_POST['jobwp_location_post_code'] ) && '' !== $_POST['jobwp_location_post_code'] ) ? sanitize_text_field( $_POST['jobwp_location_post_code'] ) : '';
    add_term_meta( $term_id, 'jobwp_location_post_code', $jobwp_location_post_code, true );

// Country Code-2
    $jobwp_location_country = ( isset( $_POST['jobwp_location_country'] ) && '' !== $_POST['jobwp_location_country'] ) ? sanitize_text_field( $_POST['jobwp_location_country'] ) : '';
    add_term_meta( $term_id, 'jobwp_location_country', $jobwp_location_country, true );

// Region
    $jobwp_location_region = ( isset( $_POST['jobwp_location_region'] ) && '' !== $_POST['jobwp_location_region'] ) ? sanitize_text_field( $_POST['jobwp_location_region'] ) : '';
    add_term_meta( $term_id, 'jobwp_location_region', $jobwp_location_region, true );
}

// Step3: Display Extra Fields in Edit Form
add_action( 'jobs_location_edit_form_fields', 'jobwp_location_edit_extra_fields', 10, 2 );
function jobwp_location_edit_extra_fields ( $term, $taxonomy ) {

$jobwp_location_country     = get_term_meta( $term->term_id, 'jobwp_location_country', true );
    $jobwp_location_region      = get_term_meta( $term->term_id, 'jobwp_location_region', true );
    $jobwp_location_post_code   = get_term_meta( $term->term_id, 'jobwp_location_post_code', true );
    ?>
    <tr class="form-field term-group-wrap">
        <th scope="row">
            <label for="jobwp_location_country"><?php _e('Country Code (2 Digits)', 'jobwp'); ?></label>
        </th>
        <td>
            <input type="text" name="jobwp_location_country" value="<?php esc_attr_e( $jobwp_location_country ); ?>" id="jobwp-location-country" class="jobwp-location-country">
        </td>
    </tr>
    <tr class="form-field term-group-wrap">
        <th scope="row">
            <label for="jobwp_location_region"><?php _e('Region', 'jobwp'); ?></label>
        </th>
        <td>
            <input type="text" name="jobwp_location_region" value="<?php esc_attr_e( $jobwp_location_region ); ?>" id="jobwp-location-region" class="jobwp-location-region">
        </td>
    </tr>
    <tr class="form-field term-group-wrap">
        <th scope="row">
            <label for="jobwp_location_post_code"><?php _e('Postal Code', 'jobwp'); ?></label>
        </th>
        <td>
            <input type="text" name="jobwp_location_post_code" value="<?php esc_attr_e( $jobwp_location_post_code ); ?>" id="jobwp-location-post-code" class="jobwp-location-post-code">
        </td>
    </tr>
    <?php
}

// Step4: Update extra Field
add_action( 'edited_jobs_location', 'jobwp_location_update_extra_fields', 10, 2 );
function jobwp_location_update_extra_fields ( $term_id, $tt_id ) {

// Update Country Code-2
    $jobwp_location_country = ( isset( $_POST['jobwp_location_country'] ) && '' !== $_POST['jobwp_location_country'] ) ? sanitize_text_field( $_POST['jobwp_location_country'] ) : '';
    update_term_meta ( $term_id, 'jobwp_location_country', $jobwp_location_country );

// Update Region
    $jobwp_location_region = ( isset( $_POST['jobwp_location_region'] ) && '' !== $_POST['jobwp_location_region'] ) ? sanitize_text_field( $_POST['jobwp_location_region'] ) : '';
    update_term_meta ( $term_id, 'jobwp_location_region', $jobwp_location_region );

// Update Postal Code
    $jobwp_location_post_code = ( isset( $_POST['jobwp_location_post_code'] ) && '' !== $_POST['jobwp_location_post_code'] ) ? sanitize_text_field( $_POST['jobwp_location_post_code'] ) : '';
    update_term_meta ( $term_id, 'jobwp_location_post_code', $jobwp_location_post_code );
}

// Step5: Location Extra Column Data
add_filter( 'manage_edit-jobs_location_columns', 'jobwp_location_extra_fields_in_column_heading' );
function jobwp_location_extra_fields_in_column_heading( $columns ) {

$columns['jobwp_location_country']      = __('Country', 'jobwp');
    $columns['jobwp_location_region']       = __('Region', 'jobwp');
    $columns['jobwp_location_post_code']    = __('Postal Code', 'jobwp');
    return $columns;
}

add_action( 'manage_jobs_location_custom_column', 'jobwp_location_extra_fields_in_column', 10, 3 );
function jobwp_location_extra_fields_in_column( $string, $columns, $term_id ) {

$jobwp_location_post_code   = get_term_meta( $term_id, 'jobwp_location_post_code', true );
    $jobwp_location_country     = get_term_meta( $term_id, 'jobwp_location_country', true );
    $jobwp_location_region      = get_term_meta( $term_id, 'jobwp_location_region', true );

switch ( $columns ) {
        case 'jobwp_location_post_code' :
            esc_html_e( $jobwp_location_post_code, 'jobwp' );
        break;
        case 'jobwp_location_country' :
            esc_html_e( $jobwp_location_country );
        break;
        case 'jobwp_location_region' :
            esc_html_e( $jobwp_location_region );
        break;
    }
}

// Rename the Description label text 
function jobwp_rename_jobs_location_description_label() {
    
    $current_screen = get_current_screen();
    
    if ( $current_screen->id == 'edit-jobs_location' || $current_screen->id === 'jobs_location' ) {
        ?>
        <script type="text/javascript">
            jQuery(document).ready(function($) {
                $("label[for='tag-description'], label[for='description']").text("Street Address"); 
            });
        </script>
        <?php
    }
}
add_action('admin_head', 'jobwp_rename_jobs_location_description_label');

// Rename the Description Table Column Heading
add_filter('manage_edit-jobs_location_columns', 'jobwp_rename_jobs_location_column_header');

function jobwp_rename_jobs_location_column_header( $columns ) {
    if ( isset( $columns['description'] ) ) {
        $columns['description'] = 'Street Address';
    }
    return $columns;
}