[WordPress Meta Box] #wordpress

functions.php

 function jobs_metaboxes( ) {
    global $wp_meta_boxes;
    add_meta_box('job_details', __('Job Details'), 'job_details_func', 'jobs', 'normal', 'high');
 }
 add_action( 'add_meta_boxes_jobs', 'jobs_metaboxes' );


 function job_details_func()
{
    global $post;
    $custom = get_post_custom($post->ID);
    $job_expiry_date = isset($custom["job_expiry_date"][0])?$custom["job_expiry_date"][0]:'';
	$job_location = isset($custom["job_location"][0])?$custom["job_location"][0]:'';
?>
<table class="form-table">
    <tbody>
        <tr>
            <th scope="row">
                <label for="job_expiry_date">Job Expiry Date:</label>
            </th>
            <td>
                <input type="date" class="regular-text" name="job_expiry_date" id="job_expiry_date" value="<?php echo $job_expiry_date; ?>">
            </td>
        </tr>
		<tr>
            <th scope="row">
                <label for="job_location">Job Location:</label>
            </th>
            <td>
                <input type="text" class="regular-text" name="job_location" id="job_location" value="<?php echo $job_location; ?>">
            </td>
        </tr>
    </tbody>
</table>
  
<?php
}

function jobs_save_post()
{
    if(empty($_POST)) return;
    global $post;
    update_post_meta($post->ID, "job_expiry_date", $_POST["job_expiry_date"]);
	update_post_meta($post->ID, "job_location", $_POST["job_location"]);
}   

add_action( 'save_post_jobs', 'jobs_save_post' );