MNT: use short array syntax

src/EditableSpamProtectionField.php

@@ -41,15 +41,15 @@ class EditableSpamProtectionField extends EditableFormField
      * @var array
      * @config
      */
-    private static $check_fields = array(
+    private static $check_fields = [
         EditableEmailField::class,
         EditableTextField::class,
         EditableNumericField::class
-    );
+    ];
 
-    private static $db = array(
+    private static $db = [
         'SpamFieldSettings' => 'Text'
-    );
+    ];
 
     /**
      * @var FormField
@@ -69,7 +69,7 @@ class EditableSpamProtectionField extends EditableFormField
         }
 
         // Extract saved field mappings and update this field.
-        $fieldMapping = array();
+        $fieldMapping = [];
         foreach ($this->getCandidateFields() as $otherField) {
             $mapSetting = "Map-{$otherField->Name}";
             $spamField = $this->spamMapValue($mapSetting);
@@ -106,7 +106,7 @@ class EditableSpamProtectionField extends EditableFormField
 
         // Get list of all configured classes available for spam detection
         $types = $this->config()->get('check_fields');
-        $typesInherit = array();
+        $typesInherit = [];
         foreach ($types as $type) {
             $subTypes = ClassInfo::subclassesFor($type);
             $typesInherit = array_merge($typesInherit, $subTypes);
@@ -132,7 +132,7 @@ class EditableSpamProtectionField extends EditableFormField
     {
         $fieldMap = json_decode($this->SpamFieldSettings ?? '', true);
         if (empty($fieldMap)) {
-            $fieldMap = array();
+            $fieldMap = [];
         }
 
         foreach ($this->record as $key => $value) {
@@ -202,7 +202,7 @@ class EditableSpamProtectionField extends EditableFormField
     {
         $map = json_decode($this->SpamFieldSettings ?? '', true);
         if (empty($map)) {
-            $map = array();
+            $map = [];
         }
 
         if (array_key_exists($mapSetting, $map ?? [])) {

src/Extension/CommentSpamProtection.php

@@ -14,19 +14,19 @@ class CommentSpamProtection extends Extension
 {
     public function alterCommentForm(&$form)
     {
-        $form->enableSpamProtection(array(
+        $form->enableSpamProtection([
             'name' => 'IsSpam',
-            'mapping' => array(
+            'mapping' => [
                 'Name' => 'authorName',
                 'Email' => 'authorEmail',
                 'URL' => 'authorUrl',
                 'Comment' => 'body',
                 'ReturnURL' => 'contextUrl'
-            ),
-            'checks' => array(
+            ],
+            'checks' => [
                 'spam',
                 'profanity'
-            )
-        ));
+            ]
+        ]);
     }
 }

src/Extension/FormSpamProtectionExtension.php

@@ -37,7 +37,7 @@ class FormSpamProtectionExtension extends Extension
      *
      * @var array $mappable_fields
      */
-    private static $mappable_fields =  array(
+    private static $mappable_fields =  [
         'id',
         'title',
         'body',
@@ -48,7 +48,7 @@ class FormSpamProtectionExtension extends Extension
         'authorUrl',
         'authorIp',
         'authorId'
-    );
+    ];
 
     /**
      * @config
@@ -88,7 +88,7 @@ class FormSpamProtectionExtension extends Extension
      * @throws LogicException when get_protector method returns NULL.
      * @return Object
      */
-    public function enableSpamProtection($options = array())
+    public function enableSpamProtection($options = [])
     {
 
         // captcha form field name (must be unique)