How to Convert a URL Image to a Base64 String?

Convert an Image to Base64 Encoding from a URL

To transform an image from a URL into Base64 encoding, follow these steps:

1. Fetch Image Data from URL:
Retrieve the image data using the file_get_contents function, providing the URL as an argument.

2. Determine Image Type:
Use pathinfo with the PATHINFO_EXTENSION option to extract the file extension, which indicates the image type (e.g., PNG, JPEG).

3. Convert to Base64 String:
Utilize the base64_encode function to convert the raw image data into a Base64-encoded string.

4. Stitch Base64 Prefix:
Prepend the Base64-encoded string with a data URI prefix, which consists of the following format:

where is determined in step 2.

Example Code:

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