Added checks for settings not being initialised

Author: =

swiftcomplete.php

@@ -53,7 +53,7 @@ function swiftcomplete_add_plugin_page_settings_link( $actions ) {
   return $actions;
 }
 
-if ($settings['w3w_enabled'] == true) {
+if ($settings !== false && array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] == true) {
   add_action('woocommerce_after_order_notes', 'display_w3w_field');
 }
 
@@ -108,18 +108,18 @@ function override_default_address_fields($address_fields)
 {
   $settings = get_option('swiftcomplete_settings');
 
-  if (array_key_exists('billing_placeholder', $settings) && strlen($settings['billing_placeholder']) > 0)
+  if ($settings !== false && array_key_exists('billing_placeholder', $settings) && strlen($settings['billing_placeholder']) > 0)
     $billing_placeholder = esc_attr($settings['billing_placeholder']);
   else
-    $billing_placeholder = array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'Type your address, postcode or what3words...' : 'Type your address or postcode...';
+    $billing_placeholder = $settings !== false && array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'Type your address, postcode or what3words...' : 'Type your address or postcode...';
 
-  if (array_key_exists('shipping_placeholder', $settings) && strlen($settings['shipping_placeholder']) > 0)
+  if ($settings !== false && array_key_exists('shipping_placeholder', $settings) && strlen($settings['shipping_placeholder']) > 0)
     $shipping_placeholder = esc_attr($settings['shipping_placeholder']);
   else
-    $shipping_placeholder = array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'Type your address, postcode or what3words...' : 'Type your address or postcode...';
+    $shipping_placeholder = $settings !== false && array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'Type your address, postcode or what3words...' : 'Type your address or postcode...';
 
-  $billing_label = array_key_exists('billing_label', $settings)  && strlen($settings['billing_label']) > 0 ? esc_attr($settings['billing_label']) : 'Address Finder';
-  $shipping_label = array_key_exists('shipping_label', $settings)  && strlen($settings['shipping_label']) > 0 ? esc_attr($settings['shipping_label']) : 'Address Finder';
+  $billing_label = $settings !== false && array_key_exists('billing_label', $settings) && strlen($settings['billing_label']) > 0 ? esc_attr($settings['billing_label']) : 'Address Finder';
+  $shipping_label = $settings !== false && array_key_exists('shipping_label', $settings) && strlen($settings['shipping_label']) > 0 ? esc_attr($settings['shipping_label']) : 'Address Finder';
 
   $address_fields['billing']['billing_address_autocomplete'] = array(
     'label'     => __($billing_label, 'woocommerce'),
@@ -413,25 +413,25 @@ function add_swiftcomplete_billing()
   $settings = get_option('swiftcomplete_settings');
   $api_key = '';
 
-  if (array_key_exists('api_key', $settings) && strlen($settings['api_key']) > 0)
+  if ($settings !== false && array_key_exists('api_key', $settings) && strlen($settings['api_key']) > 0)
     $api_key = $settings['api_key'];
 
   wp_enqueue_script('swiftcomplete_script', 'https://script.swiftcomplete.com/js/swiftcomplete.js');
   wp_enqueue_script('swiftcomplete_launch', plugin_dir_url(__FILE__) . 'addressfinder.js', array('jquery'));
-  wp_add_inline_script('swiftcomplete_launch', sprintf('launchAddressLookup("billing", "' . esc_attr($api_key) . '", "' . (array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'address,what3words' : 'address') . '", "' . (array_key_exists('hide_fields', $settings) && $settings['hide_fields'] ? true : false) . '", "' . (array_key_exists('bias_towards_lat_lon', $settings) ? esc_attr($settings['bias_towards_lat_lon']) : '') . '", "' . (array_key_exists('billing_placeholder', $settings) ? esc_attr($settings['billing_placeholder']) : '') . '")'));
+  wp_add_inline_script('swiftcomplete_launch', sprintf('launchAddressLookup("billing", "' . esc_attr($api_key) . '", "' . ($settings !== false && array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'address,what3words' : 'address') . '", "' . ($settings !== false && array_key_exists('hide_fields', $settings) && $settings['hide_fields'] ? true : false) . '", "' . ($settings !== false && array_key_exists('bias_towards_lat_lon', $settings) ? esc_attr($settings['bias_towards_lat_lon']) : '') . '", "' . ($settings !== false && array_key_exists('billing_placeholder', $settings) ? esc_attr($settings['billing_placeholder']) : '') . '")'));
 }
 
 function add_swiftcomplete_shipping()
 {
   $settings = get_option('swiftcomplete_settings');
   $api_key = '';
 
-  if (array_key_exists('api_key', $settings) && strlen($settings['api_key']) > 0)
+  if ($settings !== false && array_key_exists('api_key', $settings) && strlen($settings['api_key']) > 0)
     $api_key = $settings['api_key'];
 
   wp_enqueue_script('swiftcomplete_script', 'https://script.swiftcomplete.com/js/swiftcomplete.js');
   wp_enqueue_script('swiftcomplete_launch', plugin_dir_url(__FILE__) . 'addressfinder.js', array('jquery'));
-  wp_add_inline_script('swiftcomplete_launch', sprintf('launchAddressLookup("shipping", "' . esc_attr($api_key) . '", "' . (array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'address,what3words' : 'address') . '", "' . (array_key_exists('hide_fields', $settings) && $settings['hide_fields'] ? true : false) . '", "' . (array_key_exists('bias_towards_lat_lon', $settings) ? esc_attr($settings['bias_towards_lat_lon']) : '') . '", "' . (array_key_exists('shipping_placeholder', $settings) ? esc_attr($settings['shipping_placeholder']) : '') . '")'));
+  wp_add_inline_script('swiftcomplete_launch', sprintf('launchAddressLookup("shipping", "' . esc_attr($api_key) . '", "' . ($settings !== false && array_key_exists('w3w_enabled', $settings) && $settings['w3w_enabled'] ? 'address,what3words' : 'address') . '", "' . ($settings !== false && array_key_exists('hide_fields', $settings) && $settings['hide_fields'] ? true : false) . '", "' . ($settings !== false && array_key_exists('bias_towards_lat_lon', $settings) ? esc_attr($settings['bias_towards_lat_lon']) : '') . '", "' . ($settings !== false && array_key_exists('shipping_placeholder', $settings) ? esc_attr($settings['shipping_placeholder']) : '') . '")'));
 }
 
 add_action('woocommerce_checkout_billing', 'add_swiftcomplete_billing');