Get image type from binary data image & convert it to actual image in PHP

Question

frankly speaking, I'm not sure if this is duplication of another question since the context should be different.

I currently working with some API that returns status & contents(binary data image) which I will base64 encode at first. The question is how to initially get the image type on it's binary data form, & after that convert it to actual image with its type extension. In this scenario, I'm using PHP since it involves with backend task. Thanks.

updates: for this case, I get the image in binary form from external site api. I use file_get_contents but it returns empty or null. When i use base64_encode then it will shows up the image as an encoded data. the issue is I need to convert it as normal image. I try getimagesize as encoded & decoded & try to print the output & it returns empty. is there any steps I am still missing?

I guess no since what I need is its original image type & how to convert it back to normal image. — Wafie Ali
– Wafie Ali, Commented Jan 14, 2019 at 4:05

shingo · Accepted Answer · 2019-01-14 06:04:32Z

1

About your 2 questions:

how to convert it back to normal image.

If the image is simply encode with base64, then of course decode it with base64_decode got the original image data.

$original_image = base64_decode($encoded_base64_string);

I guess no since what I need is its original image type

Don't be confused by it's name, getimagesize also tells you the image type and the mime type.

answered Jan 14, 2019 at 6:04

shingo

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2 Comments

Wafie Ali Over a year ago

thanks for suggestion. let me try first & get back to you once get the results. Sorry for my confusion. =)

Wafie Ali Over a year ago

thanks buddy. Just use the base64_decode after all the try and error. I can assume the issues is solved as per my situations.

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