api.php

<?php
/**
 * EA CRM.
 *
 * Basic API
 *
 * @package     EA_CRM
 * @since       1.0.0
 * @copyright   Copyright (c) 2014, Jared Atchison & Bill Erickson
 * @license     GPL-2.0+
 */

require_once( 'inc/init.php' );

// Check for API form submission
if ( isset( $_POST['secret'] ) && $_POST['secret'] == $settings['api_secret'] ) {

	// Fields we are using
	$fields = array(
		'name'            => '',
		'email'           => '',
		'phone'           => '',
		'url'             => '',
		'date'            => '',
		'referral'        => '',
		'referral_other'  => '',
		'status'          => '',
		'budget'          => '',
		'timeframe'       => '',
		'inquiry'         => '',
		'services'        => '',
	);
	
	foreach( $fields as $key => $value ) {
		if( isset( $_POST[$key] ) && ! empty( $_POST[$key] ) )
			$fields[$key] = $_POST[$key];
	}

	// Insert values into database
	$add = $db->insert( 'entries', $fields );
	$id  = $db->insertId();

	echo "New entry saved. Entry ID is $id";

} else {

	die();

}