Using OpenProject API in PHP, some exmaples

simple_openproject_api_calls.php

<?php
/**
  The current openproject api is missing some exmaples. This is what i got working in PHP.
*/
function _request( $req, $postdata = false, $requesttype = 'POST' )
{
    $ch = curl_init();
    if ( preg_match( '~^/api/v3(.*)~', $req, $temp ) ) {
        $req = $temp[ 1 ];
    }
    //change url here
    curl_setopt( $ch, CURLOPT_URL, 'http://***/api/v3' . $req );
    //change api key here	
    curl_setopt( $ch, CURLOPT_USERPWD, "apikey:xxx" );
    curl_setopt( $ch, CURLOPT_RETURNTRANSFER, TRUE );

    if ( $postdata ) {
        curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, $requesttype );
        curl_setopt( $ch, CURLOPT_POSTFIELDS, $postdata );
        curl_setopt( $ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json',
                'Content-Length: ' . strlen( $postdata ) )
        );
    }

    $return = curl_exec( $ch );
    curl_close( $ch );

    return $return;
}

//list projects
$projects = json_decode( _request( '/projects' ) );

//get project data
$projectdata = json_decode( _request( '/projects/' . $project->id ) );

//get work packages
$pagesize = 20;
$offset = 1;
$workpackages = json_decode( _request( '/projects/' . $project->id . '/work_packages?offset=' . $offset . '&pageSize=' . $pagesize ) );

//remove project status
_request( '/api/v3/projects/' . $projectid, '{"status": null}', 'PATCH' );

//set project status: on track, at risk, off track
_request( '/api/v3/projects/' . $projectid, '{"status": "on track"}', 'PATCH' );

//set project status text
_request( '/api/v3/projects/' . $projectid, '{"statusExplanation": { "format": "markdown", "raw": "my sattus text" }}', 'PATCH' );