Port array_first implementation

Fixes #149

Author: baopham

.travis.yml

@@ -25,5 +25,5 @@ jobs:
     - stage: linter
       php: 7.2
       before_script: source ./scripts/dev-setup.sh
-      script: phpcs {src/*,tests/*}
+      script: phpcs -s {src/*,tests/*}
 

src/ConditionAnalyzer/Analyzer.php

@@ -4,6 +4,7 @@
 
 use BaoPham\DynamoDb\ComparisonOperator;
 use BaoPham\DynamoDb\DynamoDbModel;
+use BaoPham\DynamoDb\H;
 
 /**
  * Class ConditionAnalyzer
@@ -143,7 +144,7 @@ public function identifierConditionValues()
      */
     private function getCondition($column)
     {
-        return array_first($this->conditions, function ($condition) use ($column) {
+        return H::array_first($this->conditions, function ($condition) use ($column) {
             return $condition['column'] === $column;
         });
     }

src/DynamoDbQueryBuilder.php

@@ -5,6 +5,7 @@
 use BaoPham\DynamoDb\Concerns\HasParsers;
 use BaoPham\DynamoDb\ConditionAnalyzer\Analyzer;
 use BaoPham\DynamoDb\Facades\DynamoDb;
+use BaoPham\DynamoDb\H;
 use Closure;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
@@ -785,7 +786,7 @@ protected function isMultipleIds($id)
         }
 
         // could be ['foo', 'bar'], [['id1' => 'foo', 'id2' => 'bar'], ...]
-        return $this->model->hasCompositeKey() ? is_array(array_first($id)) : is_array($id);
+        return $this->model->hasCompositeKey() ? is_array(H::array_first($id)) : is_array($id);
     }
 
     /**

src/H.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace BaoPham\DynamoDb;
+
+/**
+ * Class H
+ *
+ * Short for "Helper".
+ * We often get breaking changes from Laravel Helpers, so to ensure this won't happen again, we port the helpers here.
+ *
+ * @package BaoPham\DynamoDb
+ */
+// phpcs:disable PSR1.Methods.CamelCapsMethodName.NotCamelCaps
+class H
+{
+    public static function array_first($array, callable $callback = null, $default = null)
+    {
+        if (is_null($callback)) {
+            if (empty($array)) {
+                return static::value($default);
+            }
+            foreach ($array as $item) {
+                return $item;
+            }
+        }
+        foreach ($array as $key => $value) {
+            if (call_user_func($callback, $value, $key)) {
+                return $value;
+            }
+        }
+        return static::value($default);
+    }
+
+    public static function value($value)
+    {
+        return $value instanceof \Closure ? $value() : $value;
+    }
+}
+// phpcs:enable Squiz.Classes.ValidClassName.NotCamelCaps