Convert base64 to file php

It's not identical with mere base64 encoding though. This worked like a charm! Been stuck with DomPDF image for a while now, thank you so much for this! Pekka Pekka k gold badges silver badges bronze badges. Base64 encoding will generally do that.

Also use this way to represent an image in Baseencoded format Raju Ram Raju Ram 9 9 silver badges 14 14 bronze badges. GoldenGonaz GoldenGonaz 2 2 gold badges 14 14 silver badges 37 37 bronze badges. This is worthful — Santanu. Reza Mamun Reza Mamun 5, 1 1 gold badge 39 39 silver badges 38 38 bronze badges. Here is the code for uploading to encode and save it to a MySQL database: if!

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Use the second method only if you are sure that the files are safe, otherwise you risk to jeopardize your system via RFI or LFI vulnerabilities. To demonstrate the difference between these methods, I deliberately use the following Base64 value:. If you decode the Base64 above, you will get a valid image showing a one-pixel red dot. However, this image also contains a PHP backdoor that executes remote commands.

Of course, this backdoor is dangerous only on misconfigured or vulnerable systems, but safety should not be neglected. By the way, you can improve the first method by combining it with the second one. For example, this will remove unnecessary data and will save image in the original MIME:. When I specified a valid PHP page it simply returned the normal page as expected. Use the second method only if you are sure that the files are safe, otherwise you risk to jeopardize your system via RFI or LFI vulnerabilities.

To demonstrate the difference between these methods, I deliberately use the following Base64 value:. If you decode the Base64 above, you will get a valid image showing a one-pixel red dot. However, this image also contains a PHP backdoor that executes remote commands. Of course, this backdoor is dangerous only on misconfigured or vulnerable systems, but safety should not be neglected. By the way, you can improve the first method by combining it with the second one.

For example, this will remove unnecessary data and will save image in the original MIME:. If you have any questions, remarks, need help, or just like this page, please feel free to let me know by leaving a comment using the form bellow. I will be happy to read every comment and, if necessary, I will do my best to respond as quickly as possible. Of course, spammers are welcome only as readers.

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