Thord Daniel Hedengren - Smashing WordPress_ Beyond the Blog-Wiley (2014)

194 PART III • Using Plugins with WordPress

// Initiate smashings_settingsdemo_init() in admin

add_action( 'admin_init', 'smashings_settingsdemo_init' );

// Runs at the start of the section

function smashing_settings_section_callback() {

echo '<p>This is the section intro.</p>';

}

// The input sample setting

function smashing_sample_input_callback() {

// Leaving PHP for a while ?>

<input type="text" name="smashing_sample_input" value="<?php echo

get_option( 'smashing_sample_input' ); ?>" />

<?php }

// Back to PHP

// Sanitize

function smashing_settingsdemo_validate($input) {

// Encode

$newinput = esc_attr($input);

return $newinput;

}

?>

There you have it — an extremely simple settings page that will save your data in the database,

as shown in Figure 7-5.

Figure 7-5: The simple settings page, with some text saved.