search

Home >Backend Development >PHP Tutorial >How to save base64 encoding to local file in php?

How to save base64 encoding to local file in php?

WBOY
WBOYOriginal
2016-07-06 13:53:392334browse

  1. Use C to base64 encode an image locally and submit it to the web server through post. After base64_decode decoding by PHP, the image is not correct after saving. Use a hexadecimal editor to view and compare the source file (local source file image), and find that the 0d--carriage return character is missing after saving.

    2. The problem experienced during the

  2. process is that the data taken out after post transmission_POST['data'] is compared with the previous base64-encoded data number and becomes a space. Use PHP's str_replace(...) to replace it back to the original one. It can Make sure there is no problem with this.

    3. After

  3. is decoded by $img = base64_decode(...), the length of the returned strlen($img) is the same as the length of the source file. Whether using for(...) fwrite(...); or file_put_contents(...), the byte 0d is lost

To be resolved: see title

Solved: There was a problem when opening the file stream, the process was correct

Reply content:

  1. Use C to base64 encode an image locally and submit it to the web server through post. After base64_decode decoding by PHP, the image is not correct after saving. Use a hexadecimal editor to view and compare the source file (local source file image), and find that the 0d--carriage return character is missing after saving.

  2. The problem experienced during the process is that the data taken out after post transmission_POST['data'] is compared with the previous base64-encoded data number and becomes a space. Use PHP's str_replace(...) to replace it back to the original one. It can Make sure there is no problem with this.

    3. After

  3. is decoded by $img = base64_decode(...), the length of the returned strlen($img) is the same as the length of the source file. Whether using for(...) fwrite(...); or file_put_contents(...), the byte 0d is lost

To be resolved: see title

Solved: There was a problem when opening the file stream, the process was correct

You can directly output this image on the web to see if it can be displayed normally, similar to

Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP replace matching parts of string with random items from an array?Next article：PHP replace matching parts of string with random items from an array?

Related articles

See more