PHP batch image scaling preview

PHP batch image scaling preview question? 1. read the image from a folder. & Nbsp; 2 read the image to the memory, scale according to a certain algorithm, and generate a $ image object. 3. create a form next to each image, enter the image name, category, and other information, and store the information in the database. 3. how does one display the content on the web page? & Nbsp; // This method can only display PHP batch image scaling and preview problems?
1. read the image from a folder.

2. read the image to the memory and scale according to a certain algorithm to generate a $ image object.

3. create a form next to each image, enter the image name, category, and other information, and store the information in the database.


3. how does one display the content on the web page?

// Only one image can be displayed in this way. I want to read N images.
Header ('content-type: image/jpeg ');
Imagejpeg ($ dstimage, null, 100 );

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One way is to say:
But I didn't write this? In the action, the header ('content-type: image/jpeg '); imagejpeg ($ dstimage, null, 100); is this done?
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Is there any way? Just give an article link. I have completed image scaling and file operations.

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One way is to say:
In action = imagepreview, read the specified image file according to the filename parameter.
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No batch exists, unless physical images are generated