PHP Version Compare Test

test.php

<?php

$version_tests = [
        [
                "minimum" => "2.0",
                "found" => "2.0",
                "meets" => true
        ],
        [
                "minimum" => "2.0",
                "found" => "2.0.0",
                "meets" => true
        ],
        [
                "minimum" => "2.0.0",
                "found" => "2.0.0",
                "meets" => true
        ],
        [
                "minimum" => "2.0.0",
                "found" => "2.0.0RC1",
                "meets" => false
        ],
        [
                "minimum" => "2.0.0",
                "found" => "2.0.1RC1",
                "meets" => true
        ],
        [
                "minimum" => "2.0.1",
                "found" => "2.0.RC1",
                "meets" => false
        ],
        [
                "minimum" => "2.0.1",
                "found" => "2.0.pl",
                "meets" => true // https://stackoverflow.com/questions/18491729/what-does-pl-or-p-mean-in-a-version-number
        ],

];

foreach ($version_tests as $version_test) {
        $comparison_result = version_compare($version_test["minimum"], $version_test["found"]);
        $meets = $comparison_result == -1 || $comparison_result == 0;
        if ($meets == $version_test["meets"]) {
                echo "PASS\n";
        } else {
                echo "FAIL {$version_test['minimum']} {$version_test['found']}\n";
        }
}