vendor/maxmind-db/reader/src/MaxMind/Db/Reader/Metadata.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php

declare(strict_types=1);

namespace MaxMind\Db\Reader;

use ArgumentCountError;

/**
 * This class provides the metadata for the MaxMind DB file.
 */
class Metadata
{
    /**
     * This is an unsigned 16-bit integer indicating the major version number
     * for the database's binary format.
     *
     * @var int
     */
    public $binaryFormatMajorVersion;
    /**
     * This is an unsigned 16-bit integer indicating the minor version number
     * for the database's binary format.
     *
     * @var int
     */
    public $binaryFormatMinorVersion;
    /**
     * This is an unsigned 64-bit integer that contains the database build
     * timestamp as a Unix epoch value.
     *
     * @var int
     */
    public $buildEpoch;
    /**
     * This is a string that indicates the structure of each data record
     * associated with an IP address.  The actual definition of these
     * structures is left up to the database creator.
     *
     * @var string
     */
    public $databaseType;
    /**
     * This key will always point to a map (associative array). The keys of
     * that map will be language codes, and the values will be a description
     * in that language as a UTF-8 string. May be undefined for some
     * databases.
     *
     * @var array
     */
    public $description;
    /**
     * This is an unsigned 16-bit integer which is always 4 or 6. It indicates
     * whether the database contains IPv4 or IPv6 address data.
     *
     * @var int
     */
    public $ipVersion;
    /**
     * An array of strings, each of which is a language code. A given record