Add static method indexBy()

Author: yidas

README.md

@@ -28,39 +28,30 @@ This package provide Base Model which extended `CI_Model` and provided full CRUD
 OUTLINE
 -------
 
-* [Demonstration](#demonstration)
-
-* [Requirements](#requirements)
-
-* [Installation](#installation)
-
-* [Configuration](#configuration)
-
-* [Defining Models](#defining-models)
+- [Demonstration](#demonstration)
+- [Requirements](#requirements)
+- [Installation](#installation)
+- [Configuration](#configuration)
+- [Defining Models](#defining-models)
   - [Table Names](#table-names)
   - [Primary Keys](#primary-keys)
   - [Timestamps](#timestamps)
   - [Database Connection](#database-connection)
-
-* [Usage](#usage)
+- [Usage](#usage)
   - [find()](#find)
   - [insert()](#insert)
   - [update()](#update)
   - [delete()](#delete)
-
-* [Soft Deleted](#soft-deleted)
+- [Soft Deleted](#soft-deleted)
   - [Configuration](#configuration-1)
   - [Usage](#usage-1)
-
-* [Query Scopes](#query-scopes)
+- [Query Scopes](#query-scopes)
   - [Configuration](#configuration-2)
   - [Usage](#usage-2)
-  
-* [Read & Write Connections](#read--write-connections)
+- [Read & Write Connections](#read--write-connections)
   - [Configuration](#configuration-3)
   - [Load Balancing for Databases](#load-balancing-for-databases)
-
-* [Pessimistic Locking](#pessimistic-locking)
+- [Pessimistic Locking](#pessimistic-locking)
 
 ---
 

composer.json

@@ -10,6 +10,9 @@
         "source": "https://github.com/yidas/codeigniter-model"
     },
     "minimum-stability": "stable",
+    "require": {
+        "php": ">=5.4.0"
+    },
     "autoload": {
         "classmap": ["src/"]
     }

example/requestLog/My_model.php

@@ -23,6 +23,9 @@ class My_model extends yidas\Model
 
     // Mainstream creating field name
     const CREATED_AT = 'created_at';
+    
+    // Log has no updating
+    const UPDATED_AT = null;
 
     protected $timestamps = true;
 

example/requestLog/README.md

@@ -15,7 +15,7 @@ CREATE TABLE `table` (
   `id` bigint(20) UNSIGNED NOT NULL,
   `ip` char(15) DEFAULT NULL COMMENT 'IP header',
   `user_agent` varchar(255) DEFAULT NULL COMMENT 'User-Agent header',
-  `c_date` datetime NOT NULL
+  `created_at` datetime NOT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 ALTER TABLE `table`

src/Model.php

@@ -656,6 +656,37 @@ public function withAll()
         return $this;
     }
 
+    /**
+     * Index by Key
+     *
+     * @param array  $array Array data for handling
+     * @param string $key  Array key for index key
+     * @param bool   $obj2Array Object converts to array if is object
+     * @return array Result with indexBy Key
+     * @example 
+     *  $records = $this->Model->findAll();
+     *  $this->Model->indexBy($records, 'sn');
+     */
+    public static function indexBy(Array &$array, $key=null, $obj2Array=false)
+    {
+        // Use model instance's primary key while no given key
+        $key = ($key) ?: (new static())->primaryKey;
+
+        $tmp = [];
+        foreach ($array as $row) {
+            // Array & Object types support 
+            if (is_object($row) && isset($row->$key)) {
+                
+                $tmp[$row->$key] = ($obj2Array) ? (array)$row : $row;
+            } 
+            elseif (is_array($row) && isset($row[$key])) {
+                
+                $tmp[$row[$key]] = $row;
+            }
+        }
+        return $array = $tmp;
+    }
+
     /**
      * Query Scopes Handler
      *