release-cycle.php

<?php
$versions = require 'versions.php';

return [
    '3.x' => [
        'php' => '>=8.0.0'
    ],
    '2.0' => [
        'release' => '2014-10-12',
        'enhancements' => '2018-02-19',
        'php' => '>=5.4.0'
    ],
    '1.1' => [
        'release' => '2010-01-10',
        'enhancements' => '2015-11-22',
        'bugfixes' => '2017-01-01',
        'eol' => '2026-12-31',
        'php' => '>=5.1.0'
    ],
];