Piazza in Festa).
*
* One field only: the optional service key. The plugin does everything it can
* do without it; the key just lets the service serve the widget without the
* small Piazza in Festa credit line at the bottom.
*
* @package PiazzaInFesta
*/
defined( 'ABSPATH' ) || exit;
/**
* Reads one saved option.
*
* @param string $key Option key.
* @return string Empty string when unset.
*/
function pinfesta_get_option( $key ) {
$options = get_option( 'pinfesta_options', array() );
if ( ! is_array( $options ) || ! isset( $options[ $key ] ) ) {
return '';
}
return (string) $options[ $key ];
}
/**
* Registers the setting and its field.
*
* @return void
*/
function pinfesta_register_settings() {
register_setting(
'pinfesta_settings',
'pinfesta_options',
array(
'type' => 'array',
'sanitize_callback' => 'pinfesta_sanitize_options',
'default' => array(),
)
);
add_settings_section(
'pinfesta_section',
'',
'__return_false',
'piazza-in-festa'
);
add_settings_field(
'pinfesta_chiave',
esc_html__( 'Service key', 'piazza-in-festa' ),
'pinfesta_field_chiave',
'piazza-in-festa',
'pinfesta_section'
);
}
add_action( 'admin_init', 'pinfesta_register_settings' );
/**
* Sanitises the saved options.
*
* @param mixed $input Raw value coming from the form.
* @return array
*/
function pinfesta_sanitize_options( $input ) {
$out = array();
if ( is_array( $input ) && isset( $input['chiave'] ) ) {
// Keys are hexadecimal strings; anything else is not a key.
$chiave = preg_replace( '/[^a-zA-Z0-9]/', '', (string) $input['chiave'] );
$out['chiave'] = substr( (string) $chiave, 0, 128 );
}
return $out;
}
/**
* Prints the key field.
*
* @return void
*/
function pinfesta_field_chiave() {
printf(
'',
esc_attr( pinfesta_get_option( 'chiave' ) )
);
echo '' . esc_html__( 'Optional. Leave it empty and the widget works anyway, with a small credit line at the bottom.', 'piazza-in-festa' ) . '
';
}
/**
* Adds the menu entry.
*
* @return void
*/
function pinfesta_admin_menu() {
add_options_page(
esc_html__( 'Piazza in Festa', 'piazza-in-festa' ),
esc_html__( 'Piazza in Festa', 'piazza-in-festa' ),
'manage_options',
'piazza-in-festa',
'pinfesta_settings_page'
);
}
add_action( 'admin_menu', 'pinfesta_admin_menu' );
/**
* Prints the settings page.
*
* @return void
*/
function pinfesta_settings_page() {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
?>
[piazza-in-festa comuni="alba,barolo,la-morra" limite="5"]
' . esc_html( pinfesta_base_url() . '/widget' ) . ''
);
?>