Hiding custom fields using conditional logic?

• davidr

• May 25, 2016 at 10:05 am

Hi,

I’m using Advanced Custom Fields to create a job employee directory where you can see their names and their occupations.

This is the code I’ve written in acf.php.

<?php
//Add the advanced custom field login
$custom_field_directory = get_stylesheet_directory() . '/advanced-custom-fields/';

add_filter('acf/settings/path', 'job_acf_settings_path');
add_filter('acf/settings/dir', 'job_acf_settings_path');

function job_acf_settings_path($path)
{
	return $custom_field_directory;
}

include_once($custom_field_directory . 'acf.php');

if(function_exists("register_field_group"))
{
	register_field_group(array (
		'id' => 'acf_employee-featured-image',
		'title' => 'Employee Featured Image',
		'fields' => array (
			array (
				'key' => 'field_5742905771cab',
				'label' => 'Employee Featured Image',
				'name' => 'employee_featured_image',
				'type' => 'image',
				'save_format' => 'url',
				'preview_size' => 'thumbnail',
				'library' => 'all',
			),
			array (
				'key' => 'field_57429977f4d76',
				'label' => 'Employee Featured Image Hover',
				'name' => 'employee_featured_image_hover',
				'type' => 'image',
				'save_format' => 'url',
				'preview_size' => 'thumbnail',
				'library' => 'all',
			),
			array (
				'key' => 'field_5742a00492112',
				'label' => 'Name',
				'name' => 'name',
				'type' => 'text',
				'default_value' => '',
				'placeholder' => '',
				'prepend' => '',
				'append' => '',
				'formatting' => 'html',
				'maxlength' => '',
			),
			array (
				'key' => 'field_5742998ef4d77',
				'label' => 'Job Title',
				'name' => 'job_title',
				'type' => 'text',
				'default_value' => '',
				'placeholder' => '',
				'prepend' => '',
				'append' => '',
				'formatting' => 'html',
				'maxlength' => '',
			),
			array (
				'key' => 'field_5743fbb622028',
				'label' => 'Read Bio',
				'name' => 'read_bio',
				'type' => 'page_link',
				'conditional_logic' => array (
					'status' => 1,
					'rules' => array (
						array (
							'field' => 'null',
							'operator' => '==',
						),
					),
					'allorany' => 'all',
				),
				'post_type' => array (
					0 => 'news-work',
				),
				'allow_null' => 0,
				'multiple' => 0,
			)
		),
		'location' => array (
			array (
				array (
					'param' => 'post_type',
					'operator' => '==',
					'value' => 'key-people',
					'order_no' => 0,
					'group_no' => 0,
				),
			),
		),
		'options' => array (
			'position' => 'normal',
			'layout' => 'no_box',
			'hide_on_screen' => array (
			),
		),
		'menu_order' => 0,
	));
}
}

And this is the code I’ve written in the archive-employee.php to loop the custom posts on screen.

<?php
get_template_part('_post-content');

// retrieve and display all employees
$args = array(
    'post_type' => 'employee',
    'posts_per_page' => -1,
);
$employee = new WP_Query($args);

?>
<div class="entry-content fade03">

    <?php

    while($employee->have_posts())
    {
        $employee->the_post();
        ?>
		<div class="team-roster">
				<a href="#">
           <!-- <a href="<?php /* echo get_permalink($id);*/ ?>">-->
                <div class="title"><?php echo get_field('name', $id); ?></div>
				<div class="subtitle"><?php echo get_field('job_title', $id); ?></div>
			</a>	
                <img src="<?php echo get_field('employee_featured_image', $id); ?>" alt="<?php echo the_title(); ?>" />
				<img src="<?php echo get_field('employee_featured_image_hover' ,$id); ?>" alt="<?php echo the_title(); ?>"  />
			
        </div>
        <?php
    }

    ?>

As an experiment, I want only some of these employees to have a biography. But I haven’t included a link in the archive-employee.php file because that would repeat the link to every employee post.

If I want to create an option to tick on a post in the backend to show a link to its own biography on the index page, could I create a custom field to determine whether or not a post has a biography? Would it involve using conditional logic?

Thank you.

• James

• May 25, 2016 at 2:34 pm

Hi @davidr

If you don’t mind the link input field visible on the backend, you can always use the True/False field. With that field, you can check if the checkbox is checked or not like this:

if( get_field('true_false_field_name', $id) )
{
    echo get_field('biography_field_name', $id);
}

I hope this helps 🙂

• davidr

• May 26, 2016 at 5:01 pm

Thank you very much James. With your help I figured it out. 😀

I created a True/False field and called it “view_profile”, and added this block of code into my array in the acf.php file:

array (
     'key' => 'field_57467a65db91f',
      'label' => 'View Profile',
      'name' => 'view_profile',
      'type' => 'true_false',
      'message' => 'Show biography?',
      'default_value' => 0,
),

This displays the checkbox option in the backend.

Finally, I used conditional statements to determine if a user wants to link a profile or not in my archive-employee.php.

<div class="entry-content">

    <?php

    while($employee->have_posts())
    {
        $employee->the_post();
        ?>
		<div class="team-roster">
		<?php if ( get_field( 'view_profile' ) ): ?>
			  <a href="<?php echo get_permalink($id); ?>">
                <div class="title"><?php echo get_field('name', $id); ?></div>
				<div class="subtitle"><?php echo get_field('job_title', $id); ?></div>	
				<div class="button">View Profile</div>
			  </a>
			
			<?php else : ?>	
			<a href="#">
                <div class="title"><?php echo get_field('name', $id); ?></div>
				<div class="subtitle"><?php echo get_field('job_title', $id); ?></div>	
			</a>
							
				<?php endif; ?>
                <img src="<?php echo get_field('employee_featured_image', $id); ?>" alt="<?php echo the_title(); ?>" />
				<img src="<?php echo get_field('employee_featured_image_hover' ,$id); ?>" alt="<?php echo the_title(); ?>"  />
        </div>
        <?php
    }

    ?>
</div>

Awesome!