![](/img/trans.png)
[英]Local file upload -> Canvas greyscale and downscale -> ocr.space
[英]cURL call to API ocr.space with PHP not going through?
API: https : //ocr.space/ocrapi#curl
我的代码:
$imageurl = "https://...imageurl.jpg";
$data = array(
"language" => "ger",
"isOverlayRequired" => false,
"detectOrientation" => true,
"scale" => true,
"filetype" => 'JPG',
"url" => $imageurl,
// "base64Image" => "data:image/jpeg;base64,".base64_encode( file_get_contents($imageurl) ),
);
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => "https://api.ocr.space/parse/image",
CURLOPT_RETURNTRANSFER => true, // receive server response
CURLOPT_POST => 1, // do post
CURLOPT_HTTPHEADER => array('Content-Type:application/json', 'apikey:MYAPIKEY'),
CURLOPT_POSTFIELDS => json_encode($data),
));
$result = curl_exec($ch);
curl_close($ch);
$result_array = json_decode($result);
if(!empty($result_array->ErrorMessage))
{
// catch errors https://docs.mathpix.com/#errors
echo 'Problem: '.$result_array->ErrorMessage[0];
}
总是导致:
问题:未上传文件或未提供URL或base64
我已经尝试使用url
和base64Image
,但是仍然是同样的问题。
任何人都可以看到发生了什么事吗?
-
调用ocr.space API时,此C#帖子“没有上传文件或提供URL”表示必须读取和发布文件内容。 但是,我很确定url
选项应该只接受一个url。
感谢您的所有帮助(请参阅评论)。
问题是:
json_encode()
Content-Type:multipart/form-data
"false"
和"true"
值周围设置引号。 现在可以使用:
$imageurl = "https://...imageurl.jpg";
$data = array(
"language" => "ger",
"isOverlayRequired" => "false",
"detectOrientation" => "true",
"scale" => "true",
"filetype" => 'JPG',
"url" => $imageurl,
);
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_URL => "https://api.ocr.space/parse/image",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => 1,
CURLOPT_HTTPHEADER => array('Content-Type:multipart/form-data', 'apikey:apikey:MYAPIKEY'),
CURLOPT_POSTFIELDS => $data,
));
$result = curl_exec($ch);
curl_close($ch);
$result_array = json_decode($result);
if(!empty($result_array->ErrorMessage))
{
// catch errors https://docs.mathpix.com/#errors
echo 'Problem: '.$result_array->ErrorMessage[0];
}
else
{
// recognized text
$ocrresult = $result_array->ParsedResults[0]->ParsedText;
}
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