Convert currency to Bitcoin in php

About Bitcoin Bitcoin is both a cryptocurrency and an electronic payment system invented by an unidentified programmer, or group of programmers, under the name of Satoshi Nakamoto. Bitcoin was introduced on 31 October 2008 to a cryptography mailing list, and released as open-source software in 2009. The identity of Nakamoto remains unknown, though many have […]

Read More

Configure and Send email in Codeigniter

In this post you will learn how to send an Html email with file attachment in Codeigniter. Sending email in CodeIgniter is much easier. You also configure the preferences regarding email in CodeIgniter. Here is a basic example demonstrating how you might send email. Note: This example assumes you are sending the email from one […]

Read More

Generate QR code in codeigniter

What is QR code QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached. A QR code uses four standardized […]

Read More

Encryption and Decryption in php

Encryption is the process of translating plain text data (plaintext) into something that appears to be random and meaningless (ciphertext). Decryption is the process of converting ciphertext back to plaintext. To encrypt more than a small amount of data, symmetric encryption is used. A symmetric key is used during both the encryption and decryption processes. […]

Read More