From 792fd3de0ee3838fe2b96e1da87183f3fa56abf2 Mon Sep 17 00:00:00 2001
From: Inhere <in.798@qq.com>
Date: Sun, 7 Aug 2022 17:15:41 +0800
Subject: [PATCH] chore: update readme add more docs

---
 README.md               | 27 ++++++++++++++++++++++++++-
 README.zh-CN.md         | 24 ++++++++++++++++++++++++
 src/IniEncoder.php      |  3 +++
 test/IniEncoderTest.php |  4 ++--
 4 files changed, 55 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 4ff730a..c060951 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,8 @@ val_arr_two[some_key] = "some_key_value"
 Decode from INI string.
 
 ```php
-use PhpPkg\Ini\Ini;use Toolkit\Stdlib\Std\Collection;
+use PhpPkg\Ini\Ini;
+use Toolkit\Stdlib\Std\Collection;
 
 $data = Ini::decode($ini);
 vdump($data);
@@ -150,7 +151,31 @@ $data = Ini::decodeFile($iniFile);
 Encode data to INI string.
 
 ```php
+$data = [
+    'key0' => 'val0',
+    'key1' => 'val1',
+    'key2' => 'val2',
+    'key3' => 'val3',
+    'key4' => 'val4',
+    'arrKey' => [
+        'abc',
+        'def',
+    ],
+];
+
 $iniString = Ini::encode($data);
+echo $iniString;
+```
+
+**Output**:
+
+```ini
+key0 = val0
+key1 = val1
+key2 = val2
+key3 = val3
+key4 = val4
+arrKey = [abc, def]
 ```
 
 ## License
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 4f004bd..ad2512e 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -149,7 +149,31 @@ $data = Ini::decodeFile($iniFile);
 Encode data to INI string.
 
 ```php
+$data = [
+    'key0' => 'val0',
+    'key1' => 'val1',
+    'key2' => 'val2',
+    'key3' => 'val3',
+    'key4' => 'val4',
+    'arrKey' => [
+        'abc',
+        'def',
+    ],
+];
+
 $iniString = Ini::encode($data);
+echo $iniString;
+```
+
+**Output**:
+
+```ini
+key0 = val0
+key1 = val1
+key2 = val2
+key3 = val3
+key4 = val4
+arrKey = [abc, def]
 ```
 
 ## License
diff --git a/src/IniEncoder.php b/src/IniEncoder.php
index 3fb6431..c270de7 100644
--- a/src/IniEncoder.php
+++ b/src/IniEncoder.php
@@ -87,6 +87,9 @@ public function encode(array|Traversable $data, int $flags = 0): string
             $defSecIni = $this->encodeSection('', $defSec) . PHP_EOL;
         }
 
+        if (!$strings) {
+            return $defSecIni;
+        }
         return $defSecIni . implode("\n", $strings) . PHP_EOL;
     }
 
diff --git a/test/IniEncoderTest.php b/test/IniEncoderTest.php
index 9bc8f96..99f3008 100644
--- a/test/IniEncoderTest.php
+++ b/test/IniEncoderTest.php
@@ -22,8 +22,8 @@ public function testEncode_simple(): void
             'key3' => 'val3',
             'key4' => 'val4',
             'arrKey' => [
-                0 => 'abc',
-                1 => 'def',
+                'abc',
+                'def',
             ],
         ];