When developing a new composer package you will want to test it locally before uploading it to Packagist.
First create a composer.json file for your package, here's an example the important part is the autoload psr-4 which sets the namespace path and secondingly the relative source path.
{
"name": "name of the package",
"description": "short description",
"autoload": {
"psr-4": {
"Daveismyname\\PdoWrapper\\": "/src"
}
},
"minimum-stability": "dev"
}
The above example will autoload from a src folder, for this example I have a Database class stored in a namespace of Daveismyname\PdoWrapper this matches the path in composer.json
<?php
namespace Daveismyname\PdoWrapper;
use PDO;
class Database extends PDO
{
}
Now to use this the namespace would be imported and then the class can be called.
require('vendor/autoload.php');
use Daveismyname\PdoWrapper\Database;
$db = new Database();
So far this is the starting process for building a package but to actually test it another project is required.
Create a folder to run this from ideally in the parent folder so both the project folder and the package folder are on the same level.
Next create a composer.json file, add the vendor/package name to require and autoload it, to make it work add a repositories array and pass in the local path to the package. This lets composer load the package from the local file system instead of from Packagist.
{
"name": "dc/demo",
"description": "",
"require": {
"daveismyname/pdo-wrapper": "@dev"
},
"autoload": {
"psr-4": {
"Daveismyname\\PdoWrapper\\": "src/"
}
},
"repositories": [
{
"type": "path",
"url": "../pdo-wrapper-master"
}
]
}
Run composer install
Now the class can be used like any other for example:
require('vendor/autoload.php');
use Daveismyname\PdoWrapper\Database;
$db = Database();
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