Check compatible wordpress

requirements.php

<?php

define('WP_USE_THEMES', true);
require_once(dirname(__FILE__) . '/wp-load.php');
global $wpdb;
global $wp_version;
$requirements = [
    [
        'min' => '3.2',
        'max' => '10',
        'requirements' => [
            'mysql' => '5.0.15',
            'php' => '5.2.4',
            'extensions' => [
                [
                    'name' => 'mod_rewrite',
                    'optional' => true
                ],
                [
                    'name' => 'mod_rewrite',
                    'optional' => false
                ]
            ]
        ]
    ],
    [
        'min' => '2.9',
        'max' => '3.1',
        'requirements' => [
            'mysql' => '4.1.2',
            'php' => '4.3',
            'extensions' => [
                [
                    'name' => 'mod_rewrite',
                    'optional' => true
                ]
            ]
        ]
    ]
];

$check_php = false;
$check_mysql = false;
$compatible_extensions = 0;
$check_extension = false;

foreach ($requirements as $requirement) {
    if (version_compare($wp_version, $requirement['min'], '>=') && version_compare($wp_version, $requirement['max'], '<=')) {
        $check_php = version_compare(phpversion(), $requirement['requirements']['php'], '>=');
        $check_mysql = version_compare($wpdb->db_version(), $requirement['requirements']['mysql'], '>=');
        $compatible_extensions = 0;
        $check_extension = true;
        foreach ($requirement['requirements']['extensions'] as $extension) {
            if (in_array($extension['name'], apache_get_modules())) {
                $compatible_extensions++;
            } else {
                if (!$extension['optional']) {
                    $check_extension = false;
                }
            }
        }
        break;
    }
}

function convertBooleanToString($value)
{
    return $value ? 'true' : 'false';
}

echo 'Check PHP: ' . convertBooleanToString($check_php);
echo '<br/>';
echo 'Check MYSQL: ' . convertBooleanToString($check_mysql);
echo '<br/>';
echo $compatible_extensions . ' extensions compatible';
echo '<br/>';
echo 'Check extensions: ' . convertBooleanToString($check_extension);
echo '<br/>';
echo 'Result: ' . convertBooleanToString(($check_php && $check_mysql && $check_extension));

Just copy to root directory of wordpress and go to http://domain/requirements.php