Merge pull request #72 from xendit/feat/set-httpcli

feat(http_client): Enable setting of custom HTTP client

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

@@ -28,4 +28,5 @@ clover.xml
 
 .env
 
-composer.lock
+composer-setup.php
+bin/

README.md

@@ -59,7 +59,6 @@ This library is the abstraction of Xendit API for access from applications writt
     - [Running test suite](#running-test-suite)
     - [Running examples](#running-examples)
 
-
 ---
 
 ## Documentation
@@ -94,7 +93,17 @@ Configure package with your account's secret key obtained from [Xendit Dashboard
 Xendit::setApiKey('secretKey');
 ```
 
-See example codes for more details.
+See [example codes](./examples) for more details.
+
+### Use Custom HTTP Client
+
+A custom HTTP Client that implements [HttpClientInterface](./src/HttpClientInterface.php) can be injected like so
+
+```php
+Xendit::setHttpClient($client);
+```
+
+Checkout [custom http client example](./examples/CustomHttpClient.php) for implementation reference.
 
 ## Methods' Signature and Examples
 
@@ -837,7 +846,7 @@ For example, there are required arguments such as `external_id`, `payer_email`,
 
 ### ApiException
 
-`ApiException` wraps up Xendit API error. This exception will be thrown if there are errors from Xendit API side, e.g. get fixed virtual account with invalid `id`. 
+`ApiException` wraps up Xendit API error. This exception will be thrown if there are errors from Xendit API side, e.g. get fixed virtual account with invalid `id`.
 
 To get exception message:
 
@@ -887,4 +896,4 @@ vendor\bin\phpunit tests
 php examples\InvoiceExample.php
 ```
 
-There is a pre-commit hook to run phpcs and phpcbf. Please make sure they passed before making commits/pushes.
+There is a pre-commit hook to run phpcs and phpcbf. Please make sure they passed before making commits/pushes.

composer.json

@@ -1,8 +1,10 @@
 {
     "name": "xendit/xendit-php",
     "description": "PHP clients for Xendit API",
-    "version": "2.3.1",
-    "keywords": ["xendit"],
+    "version": "2.4.0",
+    "keywords": [
+        "xendit"
+    ],
     "homepage": "https://github.com/xendit/xendit-php",
     "type": "library",
     "minimum-stability": "stable",
@@ -13,7 +15,9 @@
         "ext-json": "*"
     },
     "autoload": {
-    	"psr-4": { "Xendit\\": "src/" }
+        "psr-4": {
+            "Xendit\\": "src/"
+        }
     },
     "autoload-dev": {
         "psr-4": {