wpdonate_2.php

<?php
/**
 * hook into WP's admin_init action hook
 */
public function admin_init() {

	// Here we create our settings fields to be contained in the setting group 'wpfh-group'
	register_setting( self::PLUGIN_ABBR . '-group', self::PLUGIN_ABBR . '-group' );
	add_settings_section ( self::PLUGIN_SLUG . '_main_section' , 'Primary Settings', array( $this, 'settings_callback'), self::PLUGIN_SLUG . '-options' );
	
	//loop through our defined fields and add as a setting field option
	foreach ( $this->global_field_options as $field => $args ) {
		add_settings_field( self::PLUGIN_ABBR . '_' . $field, $args['label'], array( $this, $args['admin'] . '_callback' ), self::PLUGIN_SLUG . '-options', self::PLUGIN_SLUG . '_main_section', array( $field, $args['extra'] ) );
	}
	foreach ( $this->stripe_field_options as $field => $args ) {
		add_settings_field( self::PLUGIN_ABBR . '_' . $field, $args['label'], array( $this, $args['admin'] . '_callback' ), self::PLUGIN_SLUG . '-options', self::PLUGIN_SLUG . '_main_section', array( $field, $args['extra'] ) );
	}
	foreach ( $this->authnet_field_options as $field => $args ) {
		add_settings_field( self::PLUGIN_ABBR . '_' . $field, $args['label'], array( $this, $args['admin'] . '_callback' ), self::PLUGIN_SLUG . '-options', self::PLUGIN_SLUG . '_main_section', array( $field, $args['extra'] ) );
	}
	foreach ( $this->paypal_field_options as $field => $args ) {
		add_settings_field( self::PLUGIN_ABBR . '_' . $field, $args['label'], array( $this, $args['admin'] . '_callback' ), self::PLUGIN_SLUG . '-options', self::PLUGIN_SLUG . '_main_section', array( $field, $args['extra'] ) );
	}

} // END public static function activate
?>