Merge pull request #2 from jabranr/enable-support-for-acf-pro

Enable ACF pro support

Author: jabranr

src/index.php

@@ -4,7 +4,7 @@
  * Plugin URI: https://github.com/jabranr/nullify-empty-fields-for-acf
  * Description: Set Advanced Custom Fields (ACF) empty field value as <code>null</code> instead of <code>false</code> to avoid GraphQL error in GatsbyJS.
  * Author: Jabran Rafique <hello@jabran.me>
- * Version: 1.0.0
+ * Version: 1.1.0
  * Author URI: https://jabran.me?utm_source=nullify-empty-fields-for-acf
  * License: MIT License
  *
@@ -106,7 +106,7 @@ function nullify_empty_fields_for_acf_deactivate() {
  * Activate hook callback function
  */
 function nullify_empty_fields_for_acf_activate() {
-    if (!is_plugin_active('advanced-custom-fields/acf.php')) {
+    if (!nullify_empty_fields_for_acf_is_acf_active()) {
         wp_die(sprintf('This plugin only works with <a href="%s" target="_blank" rel="noopener">Advanced Custom Fields (ACF)</a>. Please install and activate ACF before using this plugin.', 'https://wordpress.org/plugins/advanced-custom-fields/?utm_source=nullify-empty-fields-for-acf'));
     }
 

src/readme.txt

@@ -4,7 +4,7 @@ Donate link: https://paypal.me/jabranr
 Tags: gatsby, graphql, acf, advanced-custom-fields, wordpress
 Requires at least: 5.0
 Tested up to: 5.3.2
-Stable tag: 1.0.0
+Stable tag: 1.1.0
 Requires PHP: 7.1
 License: MIT License
 License URI: https://opensource.org/licenses/MIT
@@ -27,5 +27,8 @@ Set Advanced Custom Fields (ACF) empty field value as `null` instead of `false`
 
 == Changelog ==
 
+= 1.1.0 =
+* Support for Advanced Custom Fields (PRO)
+
 = 1.0.0 =
 * First version released

src/settings.php

@@ -6,10 +6,24 @@
  * @author Jabran Rafique
  */
 
+/**
+ * Util method to check if ACF plugin (free/pro) is enabled
+ */
+function nullify_empty_fields_for_acf_is_acf_active() {
+    $activePlugins = (array) get_option('active_plugins', array());
+    return strpos(join(',', $activePlugins), 'advanced-custom-fields') !== false;
+}
+
+/**
+ * Add UI for WP admin
+ */
 function nullify_empty_fields_for_acf_add_ui() {
-    include_once(plugin_dir_path(__FILE__) . '/ui.php');
+    require_once(plugin_dir_path(__FILE__) . '/ui.php');
 }
 
+/**
+ * Settings for WP admin UI
+ */
 function nullify_empty_fields_for_acf_add_settings() {
     add_plugins_page(
         'Settings for Nullify empty fields for ACF',

src/ui.php

@@ -7,7 +7,6 @@
  */
 
 $isSuccess = false;
-$isAcfEnabled = is_plugin_active('advanced-custom-fields/acf.php');
 
 if (
     isset($_POST['nullify_empty_fields_for_acf_form_wp_nonce']) &&
@@ -66,7 +65,7 @@
         printf('<div class="notice notice-success is-dismissible"><p>%s</p></div>', __( 'Successfully updated', 'nullify_empty_fields_for_acf' ));
     }
 
-    if (!$isAcfEnabled) {
+    if (!nullify_empty_fields_for_acf_is_acf_active()) {
         printf('<div class="notice notice-error is-dismissible">');
         printf(
             '<p>%s</p>',
@@ -89,9 +88,19 @@
     <div class="form-group">
         <label for="nullify-types" class="form-label">Field types to nullify</label>
         <p class="helper-text">Add types separated by commas e.g. "repeater, image, text". Leave it empty to nullify all types.</p>
-        <input id="nullify-types" name="nullify-types" class="form-input regular-text<?php if (!$isAcfEnabled) echo ' disabled'; ?>" <?php if (!$isAcfEnabled) echo 'disabled'; ?> type="text" value="<?php echo get_option('nullify_empty_fields_for_acf_types'); ?>" />
+        <input
+            id="nullify-types"
+            name="nullify-types"
+            class="form-input regular-text<?php if (!nullify_empty_fields_for_acf_is_acf_active()) echo ' disabled" disabled'; ?>"
+            <?php if (!nullify_empty_fields_for_acf_is_acf_active()) echo 'disabled'; ?>
+            type="text"
+            value="<?php echo get_option('nullify_empty_fields_for_acf_types'); ?>"
+        />
         <?php wp_nonce_field('update-plugin-options', 'nullify_empty_fields_for_acf_form_wp_nonce', '', true); ?>
-        <button type="submit" id="nullify-submit" class="form-input button action<?php if (!$isAcfEnabled) echo ' disabled'; ?>">Update</button>
+        <button
+            type="submit"
+            id="nullify-submit"
+            class="form-input button action<?php if (!nullify_empty_fields_for_acf_is_acf_active()) echo ' disabled'; ?>">Update</button>
     </div>
 </form>
 <hr />