From f1adfa6760f7ef4810cd7b8add59a714dceb0c95 Mon Sep 17 00:00:00 2001
From: Dusan Malusev <dusan.998@outlook.com>
Date: Fri, 25 Oct 2019 09:27:55 +0200
Subject: [PATCH] Adding write method to dotenv parser

---
 .idea/workspace.xml                  | 336 ++-------------------------
 .phpunit.result.cache                |   2 +-
 composer.lock                        | 199 ++++++++--------
 src/EnvParser.php                    |  78 +++++--
 src/EnvParserInterface.php           |  13 ++
 src/Exceptions/DotEnvSyntaxError.php |   2 +-
 tests/EnvTest/EnvParserTest.php      |  22 +-
 7 files changed, 211 insertions(+), 441 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 59c77e6..fd40fa3 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,13 +4,10 @@
     <list default="true" id="51a56bd7-56f5-4adf-9de8-42b1220c4f36" name="Default Changelist" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.phpunit.result.cache" beforeDir="false" afterPath="$PROJECT_DIR$/.phpunit.result.cache" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/composer.json" beforeDir="false" afterPath="$PROJECT_DIR$/composer.json" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/composer.lock" beforeDir="false" afterPath="$PROJECT_DIR$/composer.lock" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/EnvParser.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/EnvParser.php" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/EnvParserInterface.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/EnvParserInterface.php" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/Exceptions/DotEnvSyntaxError.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/Exceptions/DotEnvSyntaxError.php" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/Exceptions/EnvNotParsed.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/Exceptions/EnvNotParsed.php" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/Exceptions/EnvVariableNotFound.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/Exceptions/EnvVariableNotFound.php" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/Tokens.php" beforeDir="false" afterPath="$PROJECT_DIR$/src/Tokens.php" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" beforeDir="false" afterPath="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -25,59 +22,6 @@
       <executable />
     </execution>
   </component>
-  <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="216">
-              <caret line="8" column="14" lean-forward="true" selection-start-line="8" selection-start-column="14" selection-end-line="8" selection-end-column="14" />
-              <folding>
-                <element signature="e#206#1330#0#PHP" expanded="true" />
-                <element signature="e#1336#1527#0#PHP" expanded="true" />
-                <element signature="e#1753#2256#0#PHP" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/composer.json">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="90">
-              <caret line="14" column="27" lean-forward="true" selection-start-line="14" selection-start-column="27" selection-end-line="14" selection-end-column="27" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/Exceptions/DotEnvSyntaxError.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="297">
-              <caret line="12" column="21" lean-forward="true" selection-start-line="12" selection-start-column="21" selection-end-line="12" selection-end-column="21" />
-              <folding>
-                <element signature="e#217#397#0#PHP" expanded="true" />
-                <element signature="e#438#514#0#PHP" expanded="true" />
-                <element signature="e#603#731#0#PHP" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/EnvParser.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="162">
-              <caret line="10" column="14" lean-forward="true" selection-start-line="10" selection-start-column="14" selection-end-line="10" selection-end-column="14" />
-              <folding>
-                <element signature="e#2302#3427#0#PHP" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
   <component name="FindInProjectRecents">
     <findStrings>
       <find>Dusan\\DotEnv\\</find>
@@ -93,26 +37,6 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/src/SetFile.php" />
-        <option value="$PROJECT_DIR$/src/Tokens.php" />
-        <option value="$PROJECT_DIR$/src/Impl/EnvParserImpl.php" />
-        <option value="$PROJECT_DIR$/src/Impl/EnvParserImplInterface.php" />
-        <option value="$PROJECT_DIR$/src/EnvParserImplInterface.php" />
-        <option value="$PROJECT_DIR$/tests/EnvTest/.env.interpolation" />
-        <option value="$PROJECT_DIR$/tests/EnvTest/.env-error" />
-        <option value="$PROJECT_DIR$/tests/EnvTest/.env.space.error" />
-        <option value="$APPLICATION_CONFIG_DIR$/scratches/scratch.php" />
-        <option value="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" />
-        <option value="$PROJECT_DIR$/tests/EnvTest/.env" />
-        <option value="$PROJECT_DIR$/composer.json" />
-        <option value="$PROJECT_DIR$/src/Exceptions/DotEnvSyntaxError.php" />
-        <option value="$PROJECT_DIR$/src/EnvParser.php" />
-      </list>
-    </option>
-  </component>
   <component name="PhpWorkspaceProjectConfiguration" interpreter_name="PHP 7.3">
     <include_path>
       <path value="$PROJECT_DIR$/vendor/phpdocumentor/reflection-common" />
@@ -159,56 +83,7 @@
     <option name="width" value="1296" />
     <option name="height" value="1000" />
   </component>
-  <component name="ProjectView">
-    <navigator proportions="" version="1">
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="Scope" />
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="PhpMvc-DotEnv" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="PhpMvc-DotEnv" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="PhpMvc-DotEnv" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="Exceptions" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="PhpMvc-DotEnv" type="462c0819:PsiDirectoryNode" />
-              <item name="tests" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="PhpMvc-DotEnv" type="462c0819:PsiDirectoryNode" />
-              <item name="tests" type="462c0819:PsiDirectoryNode" />
-              <item name="EnvTest" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Scratches and Consoles" type="1a2a3e82:ScratchProjectViewPane$MyProjectNode" />
-            </path>
-            <path>
-              <item name="PhpMvc-DotEnv" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Scratches and Consoles" type="1a2a3e82:ScratchProjectViewPane$MyProjectNode" />
-              <item name="Scratches" type="d62648e6:ScratchProjectViewPane$MyRootNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-    </panes>
-  </component>
+  <component name="ProjectId" id="1SgaczoreESG2Z05IUYYlDkg6DL" />
   <component name="PropertiesComponent">
     <property name="ASKED_SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
     <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
@@ -235,11 +110,15 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="PHPUnit.EnvParserTest.test_env_parser (1)">
+  <component name="RunManager" selected="PHPUnit.EnvParserTest.test_interpolation (2)">
     <configuration name="EnvParserTest (1)" type="PHPUnitRunConfigurationType" factoryName="PHPUnit" temporary="true">
       <TestRunner class="Dusan\DotEnv\Tests\EnvParserTest" file="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" scope="Class" />
       <method v="2" />
     </configuration>
+    <configuration name="EnvParserTest" type="PHPUnitRunConfigurationType" factoryName="PHPUnit" temporary="true">
+      <TestRunner class="BrosSquad\DotEnv\Tests\EnvParserTest" file="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" scope="Class" />
+      <method v="2" />
+    </configuration>
     <configuration name="EnvParserTest.test_env_parser (1)" type="PHPUnitRunConfigurationType" factoryName="PHPUnit" temporary="true">
       <TestRunner class="Dusan\DotEnv\Tests\EnvParserTest" file="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" method="test_env_parser" scope="Method" />
       <method v="2" />
@@ -248,20 +127,17 @@
       <TestRunner class="Dusan\DotEnv\Tests\EnvParserTest" file="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" method="test_interpolation" scope="Method" />
       <method v="2" />
     </configuration>
-    <configuration name="EnvParserTest.test_interpolation" type="PHPUnitRunConfigurationType" factoryName="PHPUnit" temporary="true">
-      <TestRunner class="Dusan\PhpMvc\Tests\Env\EnvParserTest" file="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" method="test_interpolation" scope="Method" />
-      <method v="2" />
-    </configuration>
-    <configuration name="scratch.php" type="PhpLocalRunConfigurationType" factoryName="PHP Console" temporary="true" path="$APPLICATION_CONFIG_DIR$/scratches/scratch.php">
+    <configuration name="EnvParserTest.test_interpolation (2)" type="PHPUnitRunConfigurationType" factoryName="PHPUnit" temporary="true">
+      <TestRunner class="BrosSquad\DotEnv\Tests\EnvParserTest" file="$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php" method="test_interpolation" scope="Method" />
       <method v="2" />
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="PHPUnit.EnvParserTest.test_interpolation (2)" />
+        <item itemvalue="PHPUnit.EnvParserTest" />
         <item itemvalue="PHPUnit.EnvParserTest.test_env_parser (1)" />
         <item itemvalue="PHPUnit.EnvParserTest.test_interpolation (1)" />
         <item itemvalue="PHPUnit.EnvParserTest (1)" />
-        <item itemvalue="PHP Script.scratch.php" />
-        <item itemvalue="PHPUnit.EnvParserTest.test_interpolation" />
       </list>
     </recent_temporary>
   </component>
@@ -278,76 +154,24 @@
       <workItem from="1559597725494" duration="2363000" />
       <workItem from="1559602585622" duration="39000" />
       <workItem from="1562931971079" duration="7851000" />
+      <workItem from="1571987777025" duration="673000" />
     </task>
     <servers />
   </component>
-  <component name="TestHistory">
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 55m 24s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 55m 40s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 55m 49s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 56m 06s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 56m 15s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 56m 53s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 22h 58m 01s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 23h 08m 30s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 23h 08m 37s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-    <history-entry file="EnvParserTest_test_env_parser_(1) - 2019.07.12 at 23h 09m 15s.xml">
-      <configuration name="EnvParserTest.test_env_parser (1)" configurationId="PHPUnitRunConfigurationType" />
-    </history-entry>
-  </component>
-  <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="10253000" />
-  </component>
-  <component name="ToolWindowManager">
-    <frame x="-8" y="-8" width="1616" height="876" extended-state="6" />
-    <editor active="true" />
-    <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.20758355" />
-      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
-      <window_info id="Favorites" order="2" side_tool="true" />
-      <window_info anchor="bottom" id="Tail" />
-      <window_info anchor="bottom" id="Quokka" />
-      <window_info anchor="bottom" id="GraphQL" />
-      <window_info anchor="bottom" id="Message" order="0" />
-      <window_info anchor="bottom" id="Find" order="1" />
-      <window_info anchor="bottom" id="Run" order="2" weight="0.32756326" />
-      <window_info anchor="bottom" id="Debug" order="3" weight="0.39946738" />
-      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
-      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
-      <window_info anchor="bottom" id="TODO" order="6" />
-      <window_info anchor="bottom" id="Docker" order="7" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Database Changes" order="8" />
-      <window_info anchor="bottom" id="Version Control" order="9" />
-      <window_info anchor="bottom" id="Terminal" order="10" weight="0.32756326" />
-      <window_info anchor="bottom" id="Event Log" order="11" side_tool="true" />
-      <window_info anchor="right" id="Json Parser" />
-      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
-      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
-      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
-      <window_info anchor="right" id="Database" order="3" />
-    </layout>
-  </component>
   <component name="TypeScriptGeneratedFilesManager">
     <option name="version" value="1" />
   </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
   <component name="debuggerHistoryManager">
     <expressions id="breakpointCondition">
       <expression>
@@ -367,118 +191,4 @@
       </expression>
     </expressions>
   </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/src/functions.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="264">
-          <caret line="8" column="1" lean-forward="true" selection-start-line="8" selection-start-column="1" selection-end-line="8" selection-end-column="1" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/vendor/dusan/php-mvc-file/src/File.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="660">
-          <caret line="23" column="81" lean-forward="true" selection-start-line="23" selection-start-column="81" selection-end-line="23" selection-end-column="81" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/SetFile.php" />
-    <entry file="file://$PROJECT_DIR$/tests/EnvTest/.env-error">
-      <provider selected="true" editor-type-id="text-editor">
-        <state>
-          <caret selection-end-line="5" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/vendor/composer/ClassLoader.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="4725">
-          <caret line="323" selection-start-line="323" selection-end-line="323" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/EnvParserInterface.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="162">
-          <caret line="6" selection-start-line="6" selection-end-line="6" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/Tokens.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="216">
-          <caret line="8" column="2" selection-start-line="8" selection-start-column="2" selection-end-line="8" selection-end-column="2" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/tests/EnvTest/.env.interpolation">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="216">
-          <caret line="8" column="22" selection-start-line="8" selection-start-column="22" selection-end-line="8" selection-end-column="22" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$APPLICATION_CONFIG_DIR$/scratches/scratch.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="9" lean-forward="true" selection-start-line="9" selection-end-line="9" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/tests/EnvTest/.env.space.error">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="216">
-          <caret line="8" column="22" lean-forward="true" selection-start-line="8" selection-start-column="22" selection-end-line="8" selection-end-column="22" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/tests/EnvTest/.env">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="513">
-          <caret line="19" lean-forward="true" selection-start-line="19" selection-end-line="19" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/tests/EnvTest/EnvParserTest.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="216">
-          <caret line="8" column="14" lean-forward="true" selection-start-line="8" selection-start-column="14" selection-end-line="8" selection-end-column="14" />
-          <folding>
-            <element signature="e#206#1330#0#PHP" expanded="true" />
-            <element signature="e#1336#1527#0#PHP" expanded="true" />
-            <element signature="e#1753#2256#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/EnvParser.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="162">
-          <caret line="10" column="14" lean-forward="true" selection-start-line="10" selection-start-column="14" selection-end-line="10" selection-end-column="14" />
-          <folding>
-            <element signature="e#2302#3427#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/Exceptions/DotEnvSyntaxError.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="297">
-          <caret line="12" column="21" lean-forward="true" selection-start-line="12" selection-start-column="21" selection-end-line="12" selection-end-column="21" />
-          <folding>
-            <element signature="e#217#397#0#PHP" expanded="true" />
-            <element signature="e#438#514#0#PHP" expanded="true" />
-            <element signature="e#603#731#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/composer.json">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="90">
-          <caret line="14" column="27" lean-forward="true" selection-start-line="14" selection-start-column="27" selection-end-line="14" selection-end-column="27" />
-        </state>
-      </provider>
-    </entry>
-  </component>
 </project>
\ No newline at end of file
diff --git a/.phpunit.result.cache b/.phpunit.result.cache
index 194ed6d..7a62be0 100644
--- a/.phpunit.result.cache
+++ b/.phpunit.result.cache
@@ -1 +1 @@
-C:37:"PHPUnit\Runner\DefaultTestResultCache":616:{a:2:{s:7:"defects";a:4:{s:49:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_parser";i:3;s:53:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_with_error";i:4;s:76:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_with_space_error_in_variable_name";i:4;s:52:"BrosSquad\DotEnv\Tests\EnvParserTest::test_interpolation";i:3;}s:5:"times";a:4:{s:49:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_parser";d:0.026;s:53:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_with_error";d:0.003;s:76:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_with_space_error_in_variable_name";d:0.002;s:52:"BrosSquad\DotEnv\Tests\EnvParserTest::test_interpolation";d:0.003;}}}
+C:37:"PHPUnit\Runner\DefaultTestResultCache":414:{a:2:{s:7:"defects";a:1:{s:56:"BrosSquad\DotEnv\Tests\EnvParserTest::test_interpolation";i:3;}s:5:"times";a:4:{s:53:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_parser";d:0.003;s:57:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_with_error";d:0.001;s:80:"BrosSquad\DotEnv\Tests\EnvParserTest::test_env_with_space_error_in_variable_name";d:0;s:56:"BrosSquad\DotEnv\Tests\EnvParserTest::test_interpolation";d:0;}}}
\ No newline at end of file
diff --git a/composer.lock b/composer.lock
index b225010..e37b6ae 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "662b3420a4e09ca28e1af5cb1d910496",
+    "content-hash": "f290d9afcfa09ead4fbd10fc589aadc7",
     "packages": [
         {
             "name": "dusan/php-mvc-file",
@@ -291,16 +291,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.9.1",
+            "version": "1.9.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "e6828efaba2c9b79f4499dae1d66ef8bfa7b2b72"
+                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/e6828efaba2c9b79f4499dae1d66ef8bfa7b2b72",
-                "reference": "e6828efaba2c9b79f4499dae1d66ef8bfa7b2b72",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/007c053ae6f31bba39dfa19a7726f56e9763bbea",
+                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea",
                 "shasum": ""
             },
             "require": {
@@ -335,7 +335,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2019-04-07T13:18:21+00:00"
+            "time": "2019-08-09T12:45:53+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -441,35 +441,33 @@
         },
         {
             "name": "phpdocumentor/reflection-common",
-            "version": "1.0.1",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionCommon.git",
-                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6"
+                "reference": "63a995caa1ca9e5590304cd845c15ad6d482a62a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
-                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/63a995caa1ca9e5590304cd845c15ad6d482a62a",
+                "reference": "63a995caa1ca9e5590304cd845c15ad6d482a62a",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5"
+                "php": ">=7.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.6"
+                "phpunit/phpunit": "~6"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "2.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "phpDocumentor\\Reflection\\": [
-                        "src"
-                    ]
+                    "phpDocumentor\\Reflection\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -491,30 +489,30 @@
                 "reflection",
                 "static analysis"
             ],
-            "time": "2017-09-11T18:02:19+00:00"
+            "time": "2018-08-07T13:53:10+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "4.3.1",
+            "version": "4.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "bdd9f737ebc2a01c06ea7ff4308ec6697db9b53c"
+                "reference": "b83ff7cfcfee7827e1e78b637a5904fe6a96698e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/bdd9f737ebc2a01c06ea7ff4308ec6697db9b53c",
-                "reference": "bdd9f737ebc2a01c06ea7ff4308ec6697db9b53c",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/b83ff7cfcfee7827e1e78b637a5904fe6a96698e",
+                "reference": "b83ff7cfcfee7827e1e78b637a5904fe6a96698e",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.0",
-                "phpdocumentor/reflection-common": "^1.0.0",
-                "phpdocumentor/type-resolver": "^0.4.0",
+                "phpdocumentor/reflection-common": "^1.0.0 || ^2.0.0",
+                "phpdocumentor/type-resolver": "~0.4 || ^1.0.0",
                 "webmozart/assert": "^1.0"
             },
             "require-dev": {
-                "doctrine/instantiator": "~1.0.5",
+                "doctrine/instantiator": "^1.0.5",
                 "mockery/mockery": "^1.0",
                 "phpunit/phpunit": "^6.4"
             },
@@ -542,41 +540,40 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2019-04-30T17:48:53+00:00"
+            "time": "2019-09-12T14:27:41+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "0.4.0",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7"
+                "reference": "2e32a6d48972b2c1976ed5d8967145b6cec4a4a9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/9c977708995954784726e25d0cd1dddf4e65b0f7",
-                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/2e32a6d48972b2c1976ed5d8967145b6cec4a4a9",
+                "reference": "2e32a6d48972b2c1976ed5d8967145b6cec4a4a9",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5 || ^7.0",
-                "phpdocumentor/reflection-common": "^1.0"
+                "php": "^7.1",
+                "phpdocumentor/reflection-common": "^2.0"
             },
             "require-dev": {
-                "mockery/mockery": "^0.9.4",
-                "phpunit/phpunit": "^5.2||^4.8.24"
+                "ext-tokenizer": "^7.1",
+                "mockery/mockery": "~1",
+                "phpunit/phpunit": "^7.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "1.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
-                    "phpDocumentor\\Reflection\\": [
-                        "src/"
-                    ]
+                    "phpDocumentor\\Reflection\\": "src"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -589,26 +586,27 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2017-07-14T14:27:02+00:00"
+            "description": "A PSR-5 based resolver of Class names, Types and Structural Element Names",
+            "time": "2019-08-22T18:11:29+00:00"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "1.8.1",
+            "version": "1.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "1927e75f4ed19131ec9bcc3b002e07fb1173ee76"
+                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/1927e75f4ed19131ec9bcc3b002e07fb1173ee76",
-                "reference": "1927e75f4ed19131ec9bcc3b002e07fb1173ee76",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/f6811d96d97bdf400077a0cc100ae56aa32b9203",
+                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0|^5.0",
                 "sebastian/comparator": "^1.1|^2.0|^3.0",
                 "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
@@ -652,20 +650,20 @@
                 "spy",
                 "stub"
             ],
-            "time": "2019-06-13T12:50:23+00:00"
+            "time": "2019-10-03T11:07:50+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "7.0.6",
+            "version": "7.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "d471d0d2b529a67c6a722dd446c4ec90881ac315"
+                "reference": "aa0d179a13284c7420fc281fc32750e6cc7c9e2f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/d471d0d2b529a67c6a722dd446c4ec90881ac315",
-                "reference": "d471d0d2b529a67c6a722dd446c4ec90881ac315",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/aa0d179a13284c7420fc281fc32750e6cc7c9e2f",
+                "reference": "aa0d179a13284c7420fc281fc32750e6cc7c9e2f",
                 "shasum": ""
             },
             "require": {
@@ -674,7 +672,7 @@
                 "php": "^7.2",
                 "phpunit/php-file-iterator": "^2.0.2",
                 "phpunit/php-text-template": "^1.2.1",
-                "phpunit/php-token-stream": "^3.0.2",
+                "phpunit/php-token-stream": "^3.1.1",
                 "sebastian/code-unit-reverse-lookup": "^1.0.1",
                 "sebastian/environment": "^4.2.2",
                 "sebastian/version": "^2.0.1",
@@ -715,7 +713,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2019-07-08T05:29:42+00:00"
+            "time": "2019-09-17T06:24:36+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -859,16 +857,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "3.0.2",
+            "version": "3.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "c4a66b97f040e3e20b3aa2a243230a1c3a9f7c8c"
+                "reference": "995192df77f63a59e47f025390d2d1fdf8f425ff"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/c4a66b97f040e3e20b3aa2a243230a1c3a9f7c8c",
-                "reference": "c4a66b97f040e3e20b3aa2a243230a1c3a9f7c8c",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/995192df77f63a59e47f025390d2d1fdf8f425ff",
+                "reference": "995192df77f63a59e47f025390d2d1fdf8f425ff",
                 "shasum": ""
             },
             "require": {
@@ -881,7 +879,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.1-dev"
                 }
             },
             "autoload": {
@@ -904,20 +902,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2019-07-08T05:24:54+00:00"
+            "time": "2019-09-17T06:23:10+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "8.2.4",
+            "version": "8.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "25fe0b5031b24722f66a75ad479a074cccc1bb37"
+                "reference": "366a4a0f2b971fd43b7c351d621e8dd7d7131869"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/25fe0b5031b24722f66a75ad479a074cccc1bb37",
-                "reference": "25fe0b5031b24722f66a75ad479a074cccc1bb37",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/366a4a0f2b971fd43b7c351d621e8dd7d7131869",
+                "reference": "366a4a0f2b971fd43b7c351d621e8dd7d7131869",
                 "shasum": ""
             },
             "require": {
@@ -933,14 +931,14 @@
                 "phar-io/version": "^2.0.1",
                 "php": "^7.2",
                 "phpspec/prophecy": "^1.8.1",
-                "phpunit/php-code-coverage": "^7.0.5",
+                "phpunit/php-code-coverage": "^7.0.7",
                 "phpunit/php-file-iterator": "^2.0.2",
                 "phpunit/php-text-template": "^1.2.1",
                 "phpunit/php-timer": "^2.1.2",
                 "sebastian/comparator": "^3.0.2",
                 "sebastian/diff": "^3.0.2",
                 "sebastian/environment": "^4.2.2",
-                "sebastian/exporter": "^3.1.0",
+                "sebastian/exporter": "^3.1.1",
                 "sebastian/global-state": "^3.0.0",
                 "sebastian/object-enumerator": "^3.0.3",
                 "sebastian/resource-operations": "^2.0.1",
@@ -961,7 +959,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "8.2-dev"
+                    "dev-master": "8.4-dev"
                 }
             },
             "autoload": {
@@ -987,7 +985,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2019-07-03T08:30:33+00:00"
+            "time": "2019-10-07T12:57:41+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -1209,16 +1207,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "3.1.0",
+            "version": "3.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "234199f4528de6d12aaa58b612e98f7d36adb937"
+                "reference": "68609e1261d215ea5b21b7987539cbfbe156ec3e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/234199f4528de6d12aaa58b612e98f7d36adb937",
-                "reference": "234199f4528de6d12aaa58b612e98f7d36adb937",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/68609e1261d215ea5b21b7987539cbfbe156ec3e",
+                "reference": "68609e1261d215ea5b21b7987539cbfbe156ec3e",
                 "shasum": ""
             },
             "require": {
@@ -1245,6 +1243,10 @@
                 "BSD-3-Clause"
             ],
             "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
                 {
                     "name": "Jeff Welch",
                     "email": "whatthejeff@gmail.com"
@@ -1253,17 +1255,13 @@
                     "name": "Volker Dusch",
                     "email": "github@wallbash.com"
                 },
-                {
-                    "name": "Bernhard Schussek",
-                    "email": "bschussek@2bepublished.at"
-                },
-                {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
-                },
                 {
                     "name": "Adam Harvey",
                     "email": "aharvey@php.net"
+                },
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
                 }
             ],
             "description": "Provides the functionality to export PHP variables for visualization",
@@ -1272,7 +1270,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2017-04-03T13:19:02+00:00"
+            "time": "2019-09-14T09:02:43+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -1606,16 +1604,16 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "82ebae02209c21113908c229e9883c419720738a"
+                "reference": "550ebaac289296ce228a706d0867afc34687e3f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/82ebae02209c21113908c229e9883c419720738a",
-                "reference": "82ebae02209c21113908c229e9883c419720738a",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/550ebaac289296ce228a706d0867afc34687e3f4",
+                "reference": "550ebaac289296ce228a706d0867afc34687e3f4",
                 "shasum": ""
             },
             "require": {
@@ -1627,7 +1625,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -1643,13 +1641,13 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                },
                 {
                     "name": "Gert de Pagter",
                     "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
                 }
             ],
             "description": "Symfony polyfill for ctype functions",
@@ -1660,20 +1658,20 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v4.3.2",
+            "version": "v4.3.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "c60ecf5ba842324433b46f58dc7afc4487dbab99"
+                "reference": "41e16350a2a1c7383c4735aa2f9fce74cf3d1178"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/c60ecf5ba842324433b46f58dc7afc4487dbab99",
-                "reference": "c60ecf5ba842324433b46f58dc7afc4487dbab99",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/41e16350a2a1c7383c4735aa2f9fce74cf3d1178",
+                "reference": "41e16350a2a1c7383c4735aa2f9fce74cf3d1178",
                 "shasum": ""
             },
             "require": {
@@ -1719,7 +1717,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2019-04-06T14:04:46+00:00"
+            "time": "2019-09-11T15:41:19+00:00"
         },
         {
             "name": "theseer/tokenizer",
@@ -1763,16 +1761,16 @@
         },
         {
             "name": "webmozart/assert",
-            "version": "1.4.0",
+            "version": "1.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "83e253c8e0be5b0257b881e1827274667c5c17a9"
+                "reference": "88e6d84706d09a236046d686bbea96f07b3a34f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/83e253c8e0be5b0257b881e1827274667c5c17a9",
-                "reference": "83e253c8e0be5b0257b881e1827274667c5c17a9",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/88e6d84706d09a236046d686bbea96f07b3a34f4",
+                "reference": "88e6d84706d09a236046d686bbea96f07b3a34f4",
                 "shasum": ""
             },
             "require": {
@@ -1780,8 +1778,7 @@
                 "symfony/polyfill-ctype": "^1.8"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.6",
-                "sebastian/version": "^1.0.1"
+                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
             },
             "type": "library",
             "extra": {
@@ -1810,7 +1807,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2018-12-25T11:19:39+00:00"
+            "time": "2019-08-24T08:43:50+00:00"
         }
     ],
     "aliases": [],
@@ -1818,6 +1815,8 @@
     "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
+    "platform": {
+        "ext-mbstring": "*"
+    },
     "platform-dev": []
 }
diff --git a/src/EnvParser.php b/src/EnvParser.php
index 6a63922..fcb8337 100644
--- a/src/EnvParser.php
+++ b/src/EnvParser.php
@@ -9,6 +9,7 @@
 use BrosSquad\DotEnv\Exceptions\EnvVariableNotFound;
 use Dusan\PhpMvc\File\File;
 use Exception;
+use RuntimeException;
 
 class EnvParser implements Tokens, EnvParserInterface
 {
@@ -40,19 +41,19 @@ class EnvParser implements Tokens, EnvParserInterface
      *
      * @param string $file
      *
-     * @throws \Exception
+     * @throws Exception
      */
     public function __construct(string $file)
     {
         $this->handler = new File($file);
         if ($this->handler === NULL) {
-            throw new Exception('File could not be opened');
+            throw new RuntimeException('File could not be opened');
         }
         if (!$this->handler->isFile()) {
-            throw new Exception($file . ' is not a file');
+            throw new RuntimeException($file . ' is not a file');
         }
         if (!$this->handler->isReadable()) {
-            throw new Exception($file . ' is not readable');
+            throw new RuntimeException($file . ' is not readable');
         }
     }
 
@@ -65,7 +66,7 @@ public function __construct(string $file)
      * @return void
      * @throws DotEnvSyntaxError
      * @throws EnvVariableNotFound
-     * @throws \Exception
+     * @throws Exception
      */
     public function parse(bool $raw = false): void
     {
@@ -76,8 +77,14 @@ public function parse(bool $raw = false): void
         while (($c = $this->handler->fgetc()) !== false) {
             $column = 0;
             // Handling Comments, Empty lines and leading spaces
-            if ($c === self::COMMENT) while (($c = $this->handler->fgetc()) !== self::NEW_LINE) continue;
-            if ($c === self::NEW_LINE || $c === self::CARRIAGE_RETURN || $c === self::SPACE) continue;
+            if ($c === self::COMMENT) {
+                while (($c = $this->handler->fgetc()) !== self::NEW_LINE) {
+                    continue;
+                }
+            }
+            if ($c === self::NEW_LINE || $c === self::CARRIAGE_RETURN || $c === self::SPACE) {
+                continue;
+            }
             $envs[$this->extractName($c, $column)] = $this->extractValue($envs, $raw, $column);
         }
 
@@ -88,10 +95,10 @@ public function parse(bool $raw = false): void
 
     /**
      * @param string $startingChar
-     * @param int    $column
+     * @param int $column
      *
      * @return string
-     * @throws \BrosSquad\DotEnv\Exceptions\DotEnvSyntaxError
+     * @throws DotEnvSyntaxError
      */
     private function extractName(string $startingChar, int & $column): string
     {
@@ -126,11 +133,11 @@ private function extractName(string $startingChar, int & $column): string
      * Parses the individual value from the .env file
      *
      * @param array $envs
-     * @param bool  $raw
-     * @param int   $column
+     * @param bool $raw
+     * @param int $column
      *
      * @return string
-     * @throws \BrosSquad\DotEnv\Exceptions\EnvVariableNotFound
+     * @throws EnvVariableNotFound
      */
     private function extractValue(array $envs, bool $raw, int & $column): string
     {
@@ -147,7 +154,7 @@ private function extractValue(array $envs, bool $raw, int & $column): string
             $this->handler->fseek($this->handler->ftell() + 1);
             while (($c = $this->handler->fgetc()) !== false && $c !== self::MULTI_LINE_STOP) {
                 // Handle the interpolation
-                if ($c === self::INTERPOLATION_INDICATOR && ($c = $this->handler->fgetc()) === self::INTERPOLATION_START && !$raw) {
+                if (!$raw && $c === self::INTERPOLATION_INDICATOR && ($c = $this->handler->fgetc()) === self::INTERPOLATION_START) {
                     $value .= $this->interpolation($envs);
                 } else {
                     $value .= $c;
@@ -158,19 +165,26 @@ private function extractValue(array $envs, bool $raw, int & $column): string
         }
         // Handling Single line values
         while (($c = $this->handler->fgetc()) !== false) {
-            if ($c === self::CARRIAGE_RETURN) break;
-            if ($c === self::NEW_LINE) break;
+            if ($c === self::CARRIAGE_RETURN) {
+                break;
+            }
+            if ($c === self::NEW_LINE) {
+                break;
+            }
             // Every space character will be ignored
-            if ($c === self::SPACE) break;
+            if ($c === self::SPACE) {
+                break;
+            }
             // If comment is found at the end of value it will be ignored
-            if ($c === self::COMMENT)
+            if ($c === self::COMMENT) {
                 // Just moving the file pointer to the or \n
                 while (($c = $this->handler->fgetc()) !== false && $c !== self::NEW_LINE) {
                     $column++;
                     continue;
                 }
-            else
+            } else {
                 $value .= $c;
+            }
             $column++;
         }
         return $value;
@@ -180,7 +194,7 @@ private function extractValue(array $envs, bool $raw, int & $column): string
      * @param array $envs
      *
      * @return mixed
-     * @throws \BrosSquad\DotEnv\Exceptions\EnvVariableNotFound
+     * @throws EnvVariableNotFound
      */
     private function interpolation(array $envs)
     {
@@ -198,7 +212,7 @@ private function interpolation(array $envs)
      * Loads ENVs into $_ENV Super global variable
      *
      * @return void
-     * @throws \BrosSquad\DotEnv\Exceptions\EnvNotParsed
+     * @throws EnvNotParsed
      */
     public function loadIntoENV(): void
     {
@@ -216,7 +230,7 @@ public function loadIntoENV(): void
      *
      * @inheritDoc
      * @return void
-     * @throws \BrosSquad\DotEnv\Exceptions\EnvNotParsed
+     * @throws EnvNotParsed
      */
     public function loadUsingPutEnv(): void
     {
@@ -239,4 +253,26 @@ public function __destruct()
         unset($this->handler);
         $this->handler = NULL;
     }
+
+    /**
+     * @param string $envName
+     * @param string $value
+     * @param bool $shouldQuote
+     * @return int
+     * @throws DotEnvSyntaxError
+     * @throws EnvVariableNotFound
+     */
+    public function write(string $envName, string $value, bool $shouldQuote = false): int
+    {
+        if(!$this->isParsed) {
+            $this->parse();
+        }
+        if($shouldQuote === true) {
+            $value = '"' . $value . '"';
+        }
+
+        $this->envs[$envName] = $value;
+
+        return $this->handler->writeArray($this->envs);
+    }
 }
diff --git a/src/EnvParserInterface.php b/src/EnvParserInterface.php
index 1e4f9d2..851427e 100644
--- a/src/EnvParserInterface.php
+++ b/src/EnvParserInterface.php
@@ -5,6 +5,9 @@
 namespace BrosSquad\DotEnv;
 
 
+use BrosSquad\DotEnv\Exceptions\DotEnvSyntaxError;
+use BrosSquad\DotEnv\Exceptions\EnvVariableNotFound;
+
 interface EnvParserInterface
 {
     /**
@@ -32,4 +35,14 @@ public function getEnvs(): array;
      * @return void
      */
     public function loadUsingPutEnv(): void;
+
+    /**
+     * @param string $envName
+     * @param string $value
+     * @param bool $shouldQuote
+     * @return int
+     * @throws DotEnvSyntaxError
+     * @throws EnvVariableNotFound
+     */
+    public function write(string $envName, string $value, bool $shouldQuote = false): int;
 }
diff --git a/src/Exceptions/DotEnvSyntaxError.php b/src/Exceptions/DotEnvSyntaxError.php
index 9ea7511..475472b 100644
--- a/src/Exceptions/DotEnvSyntaxError.php
+++ b/src/Exceptions/DotEnvSyntaxError.php
@@ -15,7 +15,7 @@ class DotEnvSyntaxError extends Exception
     /** @var integer */
     private $column;
 
-    public function __construct($message = "Check your syntax in .env file", $code = 0, Throwable $previous = NULL)
+    public function __construct($message = 'Check your syntax in .env file', $code = 0, Throwable $previous = NULL)
     {
         parent::__construct($message, $code, $previous);
     }
diff --git a/tests/EnvTest/EnvParserTest.php b/tests/EnvTest/EnvParserTest.php
index 52a8b63..48d1875 100644
--- a/tests/EnvTest/EnvParserTest.php
+++ b/tests/EnvTest/EnvParserTest.php
@@ -6,12 +6,14 @@
 
 use BrosSquad\DotEnv\Exceptions\DotEnvSyntaxError;
 use BrosSquad\DotEnv\EnvParser;
+use BrosSquad\DotEnv\Exceptions\EnvVariableNotFound;
 use Exception;
 use PHPUnit\Framework\TestCase;
 
 class EnvParserTest extends TestCase
 {
-    public function test_env_parser()
+
+    public function test_env_parser(): void
     {
 
         try {
@@ -33,27 +35,37 @@ public function test_env_parser()
               is multi line
 ', $array['MULTI_LINE']);
         } catch (DotEnvSyntaxError $e) {
-            $this->fail(sprintf("%s %d %d", $e->getMessage(), $e->getEnvLine(), $e->getColumn()));
+            $this->fail(sprintf('%s %d %d', $e->getMessage(), $e->getEnvLine(), $e->getColumn()));
         } catch (Exception $e) {
             $this->fail($e->getMessage());
         }
     }
 
-    public function test_env_with_error()
+    /**
+     * @throws DotEnvSyntaxError
+     * @throws EnvVariableNotFound
+     * @throws Exception
+     */
+    public function test_env_with_error(): void
     {
         $this->expectException(DotEnvSyntaxError::class);
         $parser = new EnvParser(__DIR__ . '/.env-error');
         $parser->parse();
     }
 
-    public function test_env_with_space_error_in_variable_name()
+    /**
+     * @throws DotEnvSyntaxError
+     * @throws EnvVariableNotFound
+     * @throws Exception
+     */
+    public function test_env_with_space_error_in_variable_name(): void
     {
         $this->expectException(DotEnvSyntaxError::class);
         $parser = new EnvParser(__DIR__ . '/.env-error');
         $parser->parse();
     }
 
-    public function test_interpolation()
+    public function test_interpolation(): void
     {
         $expected = 'Test is Interpolated';
         try {