diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..05a23c2
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 izica
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/PhpCollection.php b/PhpCollection.php
new file mode 100644
index 0000000..b5e7f33
--- /dev/null
+++ b/PhpCollection.php
@@ -0,0 +1,200 @@
+<?php
+
+/**
+ * Class PhpCollection
+ */
+class PhpCollection
+{
+    /**
+     * @var array
+     */
+    private $arCollection = [];
+
+    /**
+     * PhpCollection constructor.
+     * @param $data
+     */
+    public function __construct($data)
+    {
+        $this->arCollection = $data;
+    }
+
+    /**
+     * @param $data
+     * @return PhpCollection
+     */
+    public static function collect($data)
+    {
+        return new PhpCollection($data);
+    }
+
+    /**
+     * @param $key
+     * @return PhpCollection
+     */
+    public function pluck($key)
+    {
+        $arData = [];
+        foreach ($this->arCollection as $arItem) {
+            $arData[] = $arItem[$key];
+        }
+        return new PhpCollection($arData);
+    }
+
+    /**
+     * @param $keys
+     * @return PhpCollection
+     */
+    public function only($keys){
+        $fnMap = function ($arItem) use ($keys) {
+            $arNewItem = [];
+            foreach ($keys as $key){
+                $arNewItem[$key] = $arItem[$key];
+            }
+            return $arNewItem;
+        };
+
+        return $this->map($fnMap);
+    }
+
+    /**
+     * @param $keys
+     * @return PhpCollection
+     */
+    public function exclude($keys){
+        $arKeys = [];
+        foreach ($keys as $key){
+            $arKeys[$key] = $key;
+        }
+
+        $fnMap = function ($arItem) use ($arKeys) {
+            $arNewItem = [];
+            foreach ($arItem as $sKey => $anyValue){
+                if(!isset($arKeys[$sKey])){
+                    $arNewItem[$sKey] = $arItem[$sKey];
+                }
+            }
+            return $arNewItem;
+        };
+
+        return $this->map($fnMap);
+    }
+
+    /**
+     * @param string $glue
+     * @param string $serializer
+     * @return string
+     */
+    public function implode($glue = ', ', $serializer = '')
+    {
+        $arData = [];
+        if ($serializer === '') {
+            foreach ($this->arCollection as $arItem) {
+                $arData[] = $arItem;
+            }
+        } else {
+            foreach ($this->arCollection as $arItem) {
+                $arData[] = $serializer($arItem);
+            }
+        }
+
+        return implode($glue, $arData);
+    }
+
+    /**
+     * @param string $glue
+     * @return string
+     */
+    public function join($glue = ', ')
+    {
+        return $this->implode($glue);
+    }
+
+    /**
+     * @param bool $function
+     * @return PhpCollection
+     */
+    public function filter($function = false)
+    {
+        if ($function === false) {
+            $function = function ($item) {
+                return true;
+            };
+        }
+        $arData = [];
+        foreach ($this->arCollection as $arItem) {
+            if ($function($arItem)) {
+                $arData[] = $arItem;
+            }
+        }
+        return new PhpCollection($arData);
+    }
+
+    /**
+     * @param bool $function
+     * @return PhpCollection
+     */
+    public function map($function = false)
+    {
+        if ($function === false) {
+            $function = function ($item) {
+                return $item;
+            };
+        }
+        $arData = [];
+        foreach ($this->arCollection as $arItem) {
+            $arData[] = $function($arItem);
+        }
+        return new PhpCollection($arData);
+    }
+
+    /**
+     * @param $key
+     * @return PhpCollection
+     */
+    public function keyBy($key)
+    {
+        $arData = [];
+        foreach ($this->arCollection as $arItem) {
+            $arData[$arItem[$key]] = $arItem;
+        }
+        return new PhpCollection($arData);
+    }
+
+    /**
+     * @param $key
+     * @return PhpCollection
+     */
+    public function groupBy($key)
+    {
+        $arData = [];
+        foreach ($this->arCollection as $arItem) {
+            $arData[$arItem[$key]][] = $arItem;
+        }
+        return new PhpCollection($arData);
+    }
+
+    /**
+     * @return array
+     */
+    public function all()
+    {
+        return $this->toArray();
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray()
+    {
+        return $this->arCollection;
+    }
+
+    /**
+     * @return string
+     */
+    public function toJson()
+    {
+        return json_encode($this->arCollection);
+    }
+}
diff --git a/README.md b/README.md
index 9a9fe06..c0f7113 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,25 @@
-# php-collection
\ No newline at end of file
+# Php collection
+
+inspired by Illuminate\Support\Collection and Lodash
+
+## Description (TODO)
+
+```php
+	$arProductIds = PhpCollection::collect($arProducts)->pluck('id')->all();
+
+```
+
+* collect($array) -static
+* implode($glue, $serializer)
+* join -implode alias
+* pluck($key)
+* only($keys)
+* exclude($keys)
+* filter(function($item))
+* map(function($item))
+* keyBy($key)
+* groupBy($key)
+* toArray()
+* all -toArray alias
+* toJson()
+* TODO
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..6352bf5
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,20 @@
+{
+    "name": "izica/php-collection",
+    "description": "Tools and utilities for working with arrays",
+    "authors": [
+        {
+            "name": "Golovarchuk Artyom",
+            "email": "artemiztomska@gmail.com"
+        }
+    ],
+    "keywords": ["php", "array", "arrays", "collection", "collections", "tools", "utility", "tool", "utilities"],
+    "license": "MIT",
+    "require": {
+        "php": ">=5.6.0"
+    },
+    "autoload": {
+        "classmap": [
+            "PhpCollection.php"
+        ]
+    }
+}