我试图将BLOB字段读取为整数数组
（我想使用一个字节，但PHP中没有byte数据类型，对吗？）
这是我用一个blob字段读取数据的方式：
<?php
$mysqli = mysqlConnect();
$query = $mysqli->query("SELECT * FROM vectors LIMIT 2;");
echo "\r";
while ($row = mysqli_fetch_assoc($query))
{
$date = $row["date"]; // DATETIME
$vector = $row["vector"]; // BLOB
echo $date . "\t";
$data = unpack("H*", $vector)[1];
var_dump($data);
echo "\n";
}
?>
这是我的代码的产物：
2017-12-01 string(6226) 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2017-12-01 string(10538) 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这就是我需要的：
2017-12-01 array(3113) { [0]=> int(0) [1]=> int(24) [2]=> int(41) ... }
2017-12-01 array(5269) { [0]=> int(0) [1]=> int(15) [2]=> int(32) ... }
我可能会拆分来自mysqli_fetch_assoc()的字符串并将十六进制值逐字节转换为整数，但我需要有效的方法来执行此操作，因为有很多数据要处理且服务器非常繁忙。 / p>
问题：
我可以使用mysqli读取BLOB作为数字数组而不会在字符串上浪费内存吗？
如果没有 - 我怎样才能有效地获取字节？
我使用PHP7，但如果需要，我可以使用旧版本。