Add docs and array helper class

src/ArrayHelper.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace adeattwood\helpers;
+
+/**
+ * @category  PHP
+ * @package   adeattwood\yii-helpers
+ * @author    Ade Attwood <attwood16@googlemail.com>
+ * @copyright 2017 adeattwood.co.uk
+ * @license   BSD-2-Clause http://adeattwood.co.uk/license.html
+ * @link      adeattwood.co.uk
+ * @since     v0.1
+ */
+class ArrayHelper extends \yii\helpers\ArrayHelper
+{
+    /**
+     * Creates a array of numbers
+     *
+     * ~~~php
+     * ArrayHelper::numberArray( 5, 2, 2 );
+	 *
+	 * array(5) {
+	 *     [2] => int(2)
+	 *     [4] => int(4)
+	 *     [6] => int(6)
+	 *     [8] => int(8)
+	 *     [10]=> int(10)
+	 * }
+	 * ~~~
+     *
+     * @param int $max  The max number in the array
+     * @param int $min  The min mumber in the array
+     * @param int $step The step for the itarator
+     *
+     * @return array
+     */
+    public static function numberArray( $max, $min = 0, $step = 1 )
+    {
+        $array = [];
+        for( $i = $min; $i <= $max; $i += $step ) {
+            $array[ $i ] = $i;
+        }
+        return $array;
+    }
+}   

src/ArrayObject.php

@@ -6,8 +6,26 @@ use Yii;
 use yii\helpers\Html;
 use adeattwood\helpers\Enum;
 
+/**
+ * @category  PHP
+ * @package   adeattwood\yii-helpers
+ * @author    Ade Attwood <attwood16@googlemail.com>
+ * @copyright 2017 adeattwood.co.uk
+ * @license   BSD-2-Clause http://adeattwood.co.uk/license.html
+ * @link      adeattwood.co.uk
+ * @since     v0.1
+ */
 class ArrayObject extends \ArrayObject
 {
+    /**
+     * __construct
+     *
+     * @param mixed $array
+     * @param mixed $flags
+     * @param string $iterator_class
+	 * 
+     * @return void
+     */
     public function __construct( $array = [], $flags = null, $iterator_class = 'ArrayIterator' )
     {
         if( $flags === null ) {
@@ -18,9 +36,11 @@ class ArrayObject extends \ArrayObject
 	}
 
     /**
-     * undocumented function
+     * Test that the ArrayObject contains an item
      *
-     * @return void 
+     * @param $item The item to test
+     *
+     * @return bool 
      */
     public function contains( $item )
     {
@@ -28,6 +48,39 @@ class ArrayObject extends \ArrayObject
         return isset( $flipped[ $item ] );
     }
 
+    /**
+     * Gets a random value from the array
+     *
+     * @param int $count
+     *
+     * @return int|array
+     */
+    public function randomValue( $count = 1)
+    {
+        $arr = ( array )$this;
+
+        shuffle($arr);
+
+        $r = array();
+        for ($i = 0; $i < $count; $i++) {
+            $r[] = $arr[$i];
+        }
+        return $count == 1 ? $r[0] : $r;
+    }
+
+    /**
+     * Converts the ArrayObject into a table
+     *
+     * @param mixed $transpose
+     * @param mixed $recursive
+     * @param mixed $typeHint
+     * @param string $tableOptions
+     * @param mixed $keyOptions
+     * @param string $valueOptions
+     * @param string $null
+     *
+     * @return string
+     */
     public function toTable(
         $transpose = false,
         $recursive = false,

src/Enum.php

@@ -3,8 +3,13 @@
 namespace adeattwood\helpers;
 
 /**
- * Class Enum
- * @author Ade Attwood
+ * @category  PHP
+ * @package   adeattwood\yii-helpers
+ * @author    Ade Attwood <attwood16@googlemail.com>
+ * @copyright 2017 adeattwood.co.uk
+ * @license   BSD-2-Clause http://adeattwood.co.uk/license.html
+ * @link      adeattwood.co.uk
+ * @since     v0.1
  */
 class Enum extends \yii\base\Object
 {
@@ -72,7 +77,7 @@ class Enum extends \yii\base\Object
      *
      * Example:
      *
-     * ~~~
+     * ~~~php
      * if (Enum::isEmpty([]) {
      *    echo 'Not empty';
      * }
@@ -92,7 +97,7 @@ class Enum extends \yii\base\Object
      *
      * Example:
      *
-     * ~~~
+     * ~~~php
      * echo Enum::formatBytes(120.32); // returns: 1.17 KB
      * echo Enum::formatBytes(28434322.25); // returns: 27.12 MB
      * echo Enum::formatBytes(17328347842.25, 3); // returns: 16.138 GB

tests/unit/ArrayHelperCest.php

@@ -0,0 +1,25 @@
+<?php
+
+use adeattwood\helpers\ArrayHelper;
+
+class ArrayHelperCest
+{
+
+    public function _before(UnitTester $I)
+    {
+    }
+
+    public function _after(UnitTester $I)
+    {
+    }
+
+    public function testNumberArray(UnitTester $I)
+    {
+        $array = ArrayHelper::numberArray( 11 );
+
+        $I->assertEquals( $array[ 0 ], 0 );
+        $I->assertEquals( $array[ 10 ], 10 );
+        $array = ArrayHelper::numberArray( 10, 2, 2 );
+        var_dump( $array );
+    }
+}