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REST API Base64映像imagecreatefromstring():数据不是可识别的格式

[英]REST API Base64 image imagecreatefromstring(): Data is not in a recognized format

我正在为Android应用开发REST API。 我想将base64图像另存为从应用程序发送的jpeg图像。 我在laravel干预下为此编写了代码,并与邮递员进行了测试。 没问题。 但是,当从Android App发送数据时,他们说我收到了500条错误,并显示一条消息: Image intervention - Image source not readable

之后,我看到他们的JSON包含反斜杠和\\n 因此,我尝试使用stripslashesstripcslashesutf8_encodeutf8_decode进行转义,但是没有运气。

在离开laravel干预并开始尝试使用imagecreatefromstring (gd)库之后。 使用imagecreatefromstring(): Data is not in a recognized format也没有运气imagecreatefromstring(): Data is not in a recognized format消息。

这是我的尝试。

<?php
$json_string = '{"id_city":2,"image":"UklGRpQEAABXRUJQVlA4IIgEAAAQGgCdASpyAHMAPxF+tlMsKCUiqxLrCYAiCWkRQAHDhsYwTe19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\nUDgX+FGlCdz94\/3XNLPbe\/kEpZ\/5C+QJJVAV27kOIl9IC8If9YGAAA==\n"}';

$data = json_decode($json_string);

var_dump($data->image);
// After copy and pasted the var_dump result to the postman it works

$base64_decoded = base64_decode($data->image);

imagecreatefromstring($base64_decoded);
?>

基于Base64的数据实际上是.webp图像,但是imagecreatefromstring()函数无法检测到此编码。

更改:

imagecreatefromstring(

至:

imagecreatefromwebp(

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