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- <?php
- namespace MaxMind\Db\Reader;
- /**
- * This class provides the metadata for the MaxMind DB file.
- *
- * @property int nodeCount This is an unsigned 32-bit integer indicating
- * the number of nodes in the search tree.
- * @property int recordSize This is an unsigned 16-bit integer. It
- * indicates the number of bits in a record in the search tree. Note that each
- * node consists of two records.
- * @property int ipVersion This is an unsigned 16-bit integer which is
- * always 4 or 6. It indicates whether the database contains IPv4 or IPv6
- * address data.
- * @property string databaseType 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.
- * @property array languages An array of strings, each of which is a language
- * code. A given record may contain data items that have been localized to
- * some or all of these languages. This may be undefined.
- * @property int binaryFormatMajorVersion This is an unsigned 16-bit
- * integer indicating the major version number for the database's binary
- * format.
- * @property int binaryFormatMinorVersion This is an unsigned 16-bit
- * integer indicating the minor version number for the database's binary format.
- * @property int buildEpoch This is an unsigned 64-bit integer that
- * contains the database build timestamp as a Unix epoch value.
- * @property array description 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.
- */
- class Metadata
- {
- private $binaryFormatMajorVersion;
- private $binaryFormatMinorVersion;
- private $buildEpoch;
- private $databaseType;
- private $description;
- private $ipVersion;
- private $languages;
- private $nodeByteSize;
- private $nodeCount;
- private $recordSize;
- private $searchTreeSize;
- public function __construct($metadata)
- {
- $this->binaryFormatMajorVersion =
- $metadata['binary_format_major_version'];
- $this->binaryFormatMinorVersion =
- $metadata['binary_format_minor_version'];
- $this->buildEpoch = $metadata['build_epoch'];
- $this->databaseType = $metadata['database_type'];
- $this->languages = $metadata['languages'];
- $this->description = $metadata['description'];
- $this->ipVersion = $metadata['ip_version'];
- $this->nodeCount = $metadata['node_count'];
- $this->recordSize = $metadata['record_size'];
- $this->nodeByteSize = $this->recordSize / 4;
- $this->searchTreeSize = $this->nodeCount * $this->nodeByteSize;
- }
- public function __get($var)
- {
- return $this->$var;
- }
- }
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