client-php/README.md
Victor Westerlund 05866d02f8
feat: add HTTP client (#1)
* feat: add HTTP client

* feat(doc): update readme

* fix(doc): missed a rename
2023-01-18 15:52:24 +01:00

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# Reflect API client for PHP
Make requests to an API built using the Reflect API framework over HTTP or UNIX sockets. This program comes with both an extendable/instantiable class that you can integrate with existing PHP code, or as a stand-alone CLI which can be piped into other programs.
---
Make a request with `Client->call()`. It will return the response as an array of length 2.
- The first value is the HTTP-equivalent response code.
- The second value is the response body
```php
$client = new Reflect\Client("<API URL or path to UNIX socket>");
$client->call("foo", Method::GET); // (array) [200, "bar"]
$client->call("foo", Method::POST, [
"foo" => "bar"
]); // (array) [201, "Created"]
// etc..
```
## How to use
Requires PHP 8.1 or newer, and of course an instance of the [Reflect socket server](https://github.com/VictorWesterlund/reflect/wiki/UNIX-Sockets) running on the same machine.
1. **Install with composer**
```
composer require reflect/client
```
2. **Initialize the class**
```php
require_once "/vendor/autoload.php";
$client = new Reflect\Client("<API URL or path to UNIX socket>");
```
3. **Make API request**
Use the `call()` method to perform a request
```php
$client->call("foo?bar=baz", Method::GET);
```
Argument index|Type|Required|Description
--|--|--|--
0|String|Yes|Fully qualified pathname and query params of the endpoint to call
1|Method|Yes|A supported [Reflect HTTP method](https://github.com/VictorWesterlund/reflect/wiki/Supported-technologies#http-request-methods) (eg. `Method::GET`)
2|Array|No|An optional indexed, associative, or multidimensional array that will be sent as the request body as `Content-Type: application/json`
The `call()` function will return an array of length 2 wil the following information
Index|Type|Description
--|--|--
0|Int|HTTP-equivalent response code (eg. `200` or `404`)
1|String/Array|Contains the response body as either a string, or array if the response `Content-Type` header is `application/json`
## How to use (CLI)
You can also run this from the command line with
```
php client <socket_file> <endpoint> <http_method> [payload]
```
and it will return a serialized JSON array with the same structure as described in the `Client->call()` return.
*Example*
```sh
php client "/run/reflect.sock" "foo?bar=biz" "POST" "[\"foo\" => \"bar\"]" # (string) [201, \"Created\"]
```
---
Requires PHP CLI 8.1 or greater, and of course an instance of the [Reflect socket server](https://github.com/VictorWesterlund/reflect/wiki/UNIX-Sockets) running on the same machine.
1. **Clone repo**
```
git clone https://github.com/victorwesterlund/reflect-client-php
```
2. **Run from command line**
```
cd reflect-client-php
php client <socket_file> <endpoint> <http_method> [payload]
```