Merge branch 'develop'

.travis.yml

@@ -6,6 +6,7 @@ branches:
 language: php
 
 php: 
+  - 5.3
   - 5.4
   - 5.5
   - 5.6
@@ -16,9 +17,6 @@ env:
     - COMPOSER_ARGS=""
     - COMPOSER_ARGS="--prefer-lowest"
 
-before_install:
-  - composer self-update
-
 install:
   - composer update ${COMPOSER_ARGS} --dev --no-interaction
 

composer.json

@@ -18,7 +18,8 @@
     },
     "require-dev": {
         "mockery/mockery": "0.9.*",
-        "illuminate/database": ">=4.1 <6.0"
+        "illuminate/database": ">=4.1 <6.0",
+        "illuminate/filesystem": ">=4.1 <6.0"
     },
     "autoload": {
         "psr-4": {

src/ArrayUtil.php

@@ -58,7 +58,7 @@ public static function get(array $data, $key, $default = null)
 
 	protected static function getArray(array $input, $keys, $default = null)
 	{
-		$output = [];
+		$output = array();
 
 		foreach ($keys as $key) {
 			static::set($output, $key, static::get($input, $key, $default));
@@ -108,7 +108,7 @@ public static function set(array &$data, $key, $value)
 		// iterate through all of $segments except the last one
 		foreach ($segments as $segment) {
 			if (!array_key_exists($segment, $data)) {
-				$data[$segment] = [];
+				$data[$segment] = array();
 			} else if (!is_array($data[$segment])) {
 				throw new \UnexpectedValueException('Non-array segment encountered');
 			}

src/DatabaseSettingStore.php

@@ -68,6 +68,8 @@ public function setTable($table)
 	 */
 	public function setConstraint(\Closure $callback)
 	{
+		$this->data = array();
+		$this->loaded = false;
 		$this->queryConstraint = $callback;
 	}
 
@@ -81,6 +83,32 @@ public function setExtraColumns(array $columns)
 		$this->extraColumns = $columns;
 	}
 
+	/**
+	 * {@inheritdoc}
+	 */
+	public function forget($key)
+	{
+		parent::forget($key);
+
+		// because the database store cannot store empty arrays, remove empty
+		// arrays to keep data consistent before and after saving
+		$segments = explode('.', $key);
+		array_pop($segments);
+
+		while ($segments) {
+			$segment = implode('.', $segments);
+
+			// non-empty array - exit out of the loop
+			if ($this->get($segment)) {
+				break;
+			}
+
+			// remove the empty array and move on to the next segment
+			$this->forget($segment);
+			array_pop($segments);
+		}
+	}
+
 	/**
 	 * {@inheritdoc}
 	 */

src/JsonSettingStore.php

@@ -32,7 +32,7 @@ public function setPath($path)
 	{
 		// If the file does not already exist, we will attempt to create it.
 		if (!$this->files->exists($path)) {
-			$result = $this->files->put($path, json_encode(array()));
+			$result = $this->files->put($path, '{}');
 			if ($result === false) {
 				throw new \InvalidArgumentException("Could not write to $path.");
 			}
@@ -50,10 +50,6 @@ public function setPath($path)
 	 */
 	protected function read()
 	{
-		if (!$this->files->exists($this->path)) {
-			return array();
-		}
-
 		$contents = $this->files->get($this->path);
 
 		$data = json_decode($contents, true);
@@ -70,7 +66,11 @@ protected function read()
 	 */
 	protected function write(array $data)
 	{
-		$contents = json_encode($data);
+		if ($data) {
+			$contents = json_encode($data);
+		} else {
+			$contents = '{}';
+		}
 
 		$this->files->put($this->path, $contents);
 	}

src/SettingStore.php

@@ -95,6 +95,17 @@ public function forget($key)
 		}
 	}
 
+	/**
+	 * Unset all keys in the settings data.
+	 *
+	 * @return void
+	 */
+	public function forgetAll()
+	{
+		$this->unsaved = true;
+		$this->data = array();
+	}
+
 	/**
 	 * Get all settings data.
 	 *