Simple API wrapper for ActiveCollab

ActiveCollab.php

<?php
class ActiveCollab {
	protected $base_url;
	protected $api_key;

	public function __construct($base_url, $api_key) {
		$this->base_url = $base_url;
		$this->api_key = $api_key;
	}

	public function call($path, $data = array()) {
		if($data)
			$data['submitted'] = 'submitted';

		$opts = array(
			'http' => array(
				'method' => $data ? 'POST' : 'GET',
				'header' => 'Accept: application/json',
				'content' => http_build_query($data)
			)
		);
		
		$path = $this->base_url.'?path_info='.$path.'&token='.$this->api_key;
		
		return json_decode(file_get_contents($path, FALSE, stream_context_create($opts)));
	}
	
	public function create_project($name, $leader_id) {
		return $this->call('/projects/add', array('project' => array('name' => $name, 'leader_id' => $leader_id)));
	}
	
	public function add_ticket($project_id, $name) {
		return $this->call("/projects/{$project_id}/tickets/add", array('ticket' => array('name' => $name)));
	}
	
	public function projects() {
		return $this->call('/projects');
	}
	
	public function info() {
		return $this->call('/info');
	}
}

$ac = new ActiveCollab('http://example.com/api.php', 'your-api-key');
$projects = $ac->projects();