如何更改php中的内容类型?

2022-01-17 00:00:00 http-headers content-type php

我有一张图片，但它没有显示.我检查了图像属性(右键单击并选择属性)，我发现类型"是 text/html 而不是 JPEG 图像.这是因为导致我的图像不显示的类型吗?如何更改类型"值?我正在使用 php...

I have an image, but it keep doesn't display. I check the image properties (right-click and chose properties), and the I found the "type" is text/html not JPEG image. Is this because the type that cause my images dont show up?? How to change the "Type" value? I am using php...

我在一个简单的 html [img] 标签中显示图像...

I display the image in a simple html [img] tag...

是的，我试过了..如果我包括

Yeah, i tried.. If i include the 

<?php header('Content-Type:image/jpeg'); ?>

显示网址​​，很奇怪吧??

It display the URL, very weird huh??

我用的是apache，图片是php代码生成的……

I am using apache, the image is generated by php code...

<img src="<?php echo bloginfo('template_url'); ?>/thumb.php?src=<?php echo get_post_meta($post->ID, "image", $single = true); ?>&amp;h=195&amp;w=540&amp;zc=1&amp;q=95" alt="<?php the_title(); ?>

推荐答案

header('Content-Type: image/jpeg');

确保在进行任何输出之前调用 header() 函数，否则您将收到标头已发送"错误.

Make sure to call the header() function before doing any output or you will get a "Headers already sent" error.

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