encode file to base64 php

This article describes how to use FileReader to encode a file into Base64 and upload it via AJAX, including the PHP code that the backend decodes and stores the file data, for more information about how to use AJAX, you cannot directly upload files.

: This article describes how to use base64 to encode and decode images. For more information about PHP tutorials, see. I tried to transmit the image through json. at this time, I thought of using base64 encoding for the image. The main steps are as

How do I encode a string in node. js? Is it as simple as using Base64_encode () in PHP?There are many ways to encoding strings in node. js, rather than defining a variety of global functions as in JavaScript. Here's how to encode a normal string

Base64 is one of the most common encoding methods used to transmit 8-bit code on the network. For details, refer to RFC2045 ~ RFC2049, which has the MIME detailed specification. Base64 encoding can be used to transmit long identification information

Trying to transfer images through JSON, this is the time to think of using Base64 encoding method to image. The main steps are 1, the image file encoding, converted to Base64 encoded format, and a long string of characters; 2, the character can be

Base64 encoding is very common in e-mails. For emails such as Foxmail and outlook, the user agent performs SMTP verification when sending emails, that is, entering the username and password in base64 encoding format for verification, the body

You may have noticed that the URLs of some SRC or CSS background images on the webpage are followed by a large string of characters, such as data: image/PNG and base64, release/keauffr0cbng3nqpw68arzdalozpppfibhh5eab8b + tlt9myq6i1buqfaq1cksvcxz2acs6

PHP support for Base64 is very good, there is a built-in Base64_encode and Base64_decode responsible for the image of the Base64 encoding and decoding.On the encoding, as long as the picture stream is read, and then using Base64_encode to encode can

This article to the students to introduce an article about the PHP Base64 encoded file binary stream main use where, a friend can refer to, only a brief description of a bit. BASE64 encoded file binary streams are encoded using the Base64_encode

Data URI scheme.Data URI scheme is defined in RFC2397 to embed small Data into a webpage without loading it from an external file. For example, the string above is actually a small image. copy and paste these characters into the address bar of