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Example code of ofcold/qrcode

Informations about the package qrcode

Ofcold QR code

An easy-to-use PHP QrCode generator.

简体中文文档

Introduction

Simple QrCode is an easy to use wrapper for the popular Laravel framework based on the great work provided by Bacon/BaconQrCode. We created an interface that is familiar and easy to install for Laravel users.

Example

Installation

Usage

Heads up! This method must be called last if using within a chain.

Generate by default will return a SVG image string. You can print this directly into a modern browser within Laravel's Blade system with the following:

Basic

Response

The browser directly outputs the image.

use QRcodeResponse

use response()

Format Change

QrCode Generator is setup to return a SVG image by default. Watch out! The format method must be called before any other formatting options such as size, color, backgroundColor, and margin.

Size Change

QrCode Generator will by default return the smallest size possible in pixels to create the QrCode.

Color Change

Be careful when changing the color of a QrCode. Some readers have a very difficult time reading QrCodes in color.

Margin Change

The ability to change the margin around a QrCode is also supported. Simply specify the desired margin using the following syntax:

Error Correction

Changing the level of error correction is easy. Just use the following syntax: L = 1 M = 0 Q = 3 H = 1

Encoding

Change the character encoding that is used to build a QrCode. By default ISO-8859-1 is selected as the encoder. Read more about character encoding You can change this to any of the following:

Character Encoder: ISO-8859-1, ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5, ISO-8859-6, ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10, ISO-8859-11, ISO-8859-12, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16, SHIFT-JIS, WINDOWS-1250, WINDOWS-1251, WINDOWS-1252, WINDOWS-1256, UTF-16BE, UTF-8, ASCII, GBK, EUC-KR,

An error of Could not encode content to ISO-8859-1 means that the wrong character encoding type is being used. We recommend UTF-8 if you are unsure.

Merge

The merge method merges an image over a QrCode. This is commonly used to placed logos within a QrCode.

The merge method only supports PNG at this time. The filepath is relative to app base path if $absolute is set to false. Change this variable to true to use absolute paths. You should use a high level of error correction when using the merge method to ensure that the QrCode is still readable. We recommend using errorCorrection(1).

Merge Binary String

The mergeString method can be used to achieve the same as the merge call, except it allows you to provide a string representation of the file instead of the filepath. This is usefull when working with the Storage facade. It's interface is quite similar to the merge call.

As with the normal merge call, only PNG is supported at this time. The same applies for error correction, high levels are recommened.

Advance Usage

All methods support chaining. The generate method must be called last and any format change must be called first. For example you could run any of the following:

Helpers

What are helpers?

Helpers are an easy way to create QrCodes that cause a reader to perform a certain action when scanned.

BitCoin

This helpers generates a scannable bitcoin to send payments. More information

E-Mail

This helper generates an e-mail qrcode that is able to fill in the e-mail address, subject, and body.

Geo

This helper generates a latitude and longitude that a phone can read and open the location up in Google Maps or similar app.

Phone Number

This helper generates a QrCode that can be scanned and then dials a number.

SMS (Text Messages)

This helper makes SMS messages that can be prefilled with the send to address and body of the message.

Wi-Fi

This helpers makes scannable QrCodes that can connect a phone to a WiFI network.

License

This software is released under the MIT license.

All versions of qrcode with dependencies

PHP Build Version
Package Version
Requires php Version ^7.2
illuminate/http Version ^5.5
illuminate/routing Version ^5.5
illuminate/support Version ^5.5
bacon/bacon-qr-code Version ^2.0
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