add-cpt-archive-image.php

<?php
//* Archive Image Settings: this file registers the archive image settings to Theme Settings.


//* Register Defaults
function acd_archive_img_defaults( $defaults ) {
	$defaults['locations_image_url'] = '';
	$defaults['doctors_image_url'] = '';
	$defaults['services_image_url'] = '';
	return $defaults;
}
add_filter( 'genesis_theme_settings_defaults', 'acd_archive_img_defaults' );


//* Sanitization (for security)
function acd_register_img_sanitization_filters() {
	genesis_add_option_filter( 'no_html', GENESIS_SETTINGS_FIELD,
		array(
			'locations_image_url',
			'doctors_image_url',
			'services_image_url',
		) );
}
add_action( 'genesis_settings_sanitizer_init', 'acd_register_img_sanitization_filters' );

//* Register Metabox
function acd_register_cpt_img_settings_box( $_genesis_theme_settings_pagehook ) {
	add_meta_box('acd-cpt-img-settings', 'Set Image for Custom Post Type Archive & Single Pages', 'acd_cpt_img_settings_box', $_genesis_theme_settings_pagehook, 'main', 'high');
}
add_action('genesis_theme_settings_metaboxes', 'acd_register_cpt_img_settings_box');

//* Create Metabox
function acd_cpt_img_settings_box() {
	?>
	<p>Paste in the image URL after uploading to media library. <a href="http://www.wpbeginner.com/beginners-guide/how-to-get-the-url-of-images-you-upload-in-wordpress/" target="_blank">How to find the image url.</a></p>
	<p>Locations Featured Image:<br />
	<input type="text" name="<?php echo GENESIS_SETTINGS_FIELD; ?>[locations_image_url]" value="<?php echo esc_attr( genesis_get_option('locations_image_url') ); ?>" size="50" /> </p>
	<p>Doctors Featured Image:<br />
	<input type="text" name="<?php echo GENESIS_SETTINGS_FIELD; ?>[doctors_image_url]" value="<?php echo esc_attr( genesis_get_option('doctors_image_url') ); ?>" size="50" /> </p>
	<p>Services Featured Image:<br />
	<input type="text" name="<?php echo GENESIS_SETTINGS_FIELD; ?>[services_image_url]" value="<?php echo esc_attr( genesis_get_option('services_image_url') ); ?>" size="50" /> </p>
	<?php
}