Question

我有一个数组，下面是它的一部分（它超过3000项）我需要将字节数据转换为图像（jpg）任何想法我是如何做到的？

感谢。

[0] => 255
    [1] => 216
    [2] => 255
    [3] => 224
    [4] => 0
    [5] => 16
    [6] => 74
    [7] => 70
    [8] => 73
    [9] => 70
    [10] => 0
    [11] => 1
    [12] => 1
    [13] => 1
    [14] => 0
    [15] => 96
    [16] => 0
    [17] => 96
    [18] => 0
    [19] => 0
    [20] => 255

Answer 1

这应该有效

$fp = fopen("image.jpg", "wb");

$len = count($array);

for ($i = 0; $i < $len; $i++) {
    $data = pack("C*",$array[$i]);
    fwrite($fp, $data);
}
fclose($fp);

从here

采用

php将字节数组转换为图像

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