I have a base64 encoded string that I would like to convert into an image in PHP / HTML.
我有一个base64编码的字符串，我想把它转换成PHP / HTML中的图像。
Here is what I have:
以下是我所拥有的:
$data = "R0lGODdhAAGAAKIAAP38+/3h3cjN5P3HwgAAAP8AoP8AGv8EIywAAAAAAAGAAAAD.....";
echo base64_decode($data);
// OR
/ /或
echo '<img src="data:image/gif;base64,' . base64_decode($data) . '" />';
None of those work. Any suggestions?
这些工作。有什么建议吗?
Much appreciated! Catalin
感谢!铸塑酚醛塑料
5 个解决方案
#1
27
In the first case you should add this before echoing the decoded image data:
在第一个例子中，您应该在响应解码图像数据之前添加这个:
header("Content-type: image/gif");
In the second case, use this instead:
在第二种情况下，用这个代替:
echo '<img src="data:image/gif;base64,' . $data . '" />';
#2
4
Stupid question: is the mime-type correct?? is your base64 code represent a gif file????
愚蠢的问题:mime-type是正确的吗?您的base64代码是否代表一个gif文件????
this is an example using a image/png, without php, just html, and it works:
这是一个使用图像/png的例子，没有php，仅仅是html，它可以工作:
<img alt="Embedded Image" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAABBCAIAAAABlV4SAAAABGdBTUEAAK/INwWK6QAAABl0RVh0
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Just try it.
只是试一试。
Now, the same base64 code using the php exemplified above but using the proper mime-type (image/png):
现在，使用php示例的相同base64代码，但是使用适当的mime类型(图像/png):
<?php
echo "<img alt=Embedded Image src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAABBCAIAAAABlV4SAAAABGdBTUEAAK/INwWK6QAAABl0RVh0
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i+ouNsx1IsK0b1QC9n0NgKVG4k8RwKFt/COYB/5/vP5PgAEA77fJf3rfdyAAAAAASUVORK5CYII=\" />";
?>
So, this is the code:
这就是代码:
echo "<img alt=Embedded Image src=\"data:image/png;base64,[BASE64CODE]\" />";
Notice, since I am using double quotes for the echo tag, I have to tell php to ignore the ones inside the img tag. Other than that, you are good
注意，因为我使用的是echo标记的双引号，所以我必须告诉php忽略img标签内的那些。除此之外，你还不错。
cheers
干杯
PC
个人电脑
#3
3
echo '<img src="data:image/gif;base64,' . $data . '" />'
Should do the trick.
应该足够了。
#4
2
You have to use the header() function before echoing your data to specify the content type (gif image). Otherwise browsers will interpret it as html.
在响应数据以指定内容类型(gif图像)之前，必须使用header()函数。否则浏览器会将其解释为html。
#5
2
Display Image using base64_encode function
使用base64_encode函数显示图像。
$ret = fopen($fullurl, 'r', true, $context);
$contents = stream_get_contents($ret);
$base64 = 'data:image/PNG;base64,' . base64_encode($contents);
echo "<img src=$base64 />" ;
#1
27
In the first case you should add this before echoing the decoded image data:
在第一个例子中，您应该在响应解码图像数据之前添加这个:
header("Content-type: image/gif");
In the second case, use this instead:
在第二种情况下，用这个代替:
echo '<img src="data:image/gif;base64,' . $data . '" />';
#2
4
Stupid question: is the mime-type correct?? is your base64 code represent a gif file????
愚蠢的问题:mime-type是正确的吗?您的base64代码是否代表一个gif文件????
this is an example using a image/png, without php, just html, and it works:
这是一个使用图像/png的例子，没有php，仅仅是html，它可以工作:
<img alt="Embedded Image" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAABBCAIAAAABlV4SAAAABGdBTUEAAK/INwWK6QAAABl0RVh0
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Just try it.
只是试一试。
Now, the same base64 code using the php exemplified above but using the proper mime-type (image/png):
现在，使用php示例的相同base64代码，但是使用适当的mime类型(图像/png):
<?php
echo "<img alt=Embedded Image src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAABBCAIAAAABlV4SAAAABGdBTUEAAK/INwWK6QAAABl0RVh0
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?>
So, this is the code:
这就是代码:
echo "<img alt=Embedded Image src=\"data:image/png;base64,[BASE64CODE]\" />";
Notice, since I am using double quotes for the echo tag, I have to tell php to ignore the ones inside the img tag. Other than that, you are good
注意，因为我使用的是echo标记的双引号，所以我必须告诉php忽略img标签内的那些。除此之外，你还不错。
cheers
干杯
PC
个人电脑
#3
3
echo '<img src="data:image/gif;base64,' . $data . '" />'
Should do the trick.
应该足够了。
#4
2
You have to use the header() function before echoing your data to specify the content type (gif image). Otherwise browsers will interpret it as html.
在响应数据以指定内容类型(gif图像)之前，必须使用header()函数。否则浏览器会将其解释为html。
#5
2
Display Image using base64_encode function
使用base64_encode函数显示图像。
$ret = fopen($fullurl, 'r', true, $context);
$contents = stream_get_contents($ret);
$base64 = 'data:image/PNG;base64,' . base64_encode($contents);
echo "<img src=$base64 />" ;