Note that:<\/span> The PHP QR Code generator library files are included in the source code package.<\/p>\nGenerate QR Code using PHP<\/h2>\n
In the following example, we will show you how to create, save, and display QR code with our custom PHP library.<\/p>\n
Include PHP QR Code generator library:<\/b><\/p>\ninclude_once <\/span>\"qrcode-lib\/qrlib.php\"<\/span>;<\/span><\/pre>\nSet the folder path where the QR images will be stored:<\/b><\/p>\n\n$IMG_TEMP_DIR<\/code> – Folder path to save QR code image on the server.<\/li>\n$IMG_WEB_DIR<\/code> – Directory location from where the QR image will be displayed on the web page.<\/li>\n$qr_file_path<\/code> – Full file path to save QR image.<\/li>\n<\/ul>\n\/\/ Set it to a writable location, a place to store generated QR image files
<\/span>$IMG_TEMP_DIR <\/span>= <\/span>dirname<\/span>(<\/span>__FILE__<\/span>).<\/span>DIRECTORY_SEPARATOR<\/span>.<\/span>'temp'<\/span>.<\/span>DIRECTORY_SEPARATOR<\/span>;
<\/span>\/\/ Create directory if not exists
<\/span>if (!<\/span>file_exists<\/span>(<\/span>$IMG_TEMP_DIR<\/span>)){
<\/span>mkdir<\/span>(<\/span>$IMG_TEMP_DIR<\/span>);
}
<\/span>\/\/ QR image directory
<\/span>$IMG_WEB_DIR <\/span>= <\/span>'temp\/'<\/span>;
<\/span>\/\/ QR image file path
<\/span>$qr_file_path <\/span>= <\/span>$IMG_TEMP_DIR<\/span>.<\/span>'qrcode.png'<\/span>;<\/span><\/pre>\nSpecify configurations to set the Error Correction Level, Size, and Margin of the QR code image:<\/b><\/p>\n\n$errorCorrectionLevel<\/code> – Specify the error correction level of the QR code.\n\n- Level L (Low) – 7% of data bytes can be restored.<\/li>\n
- Level M (Medium) – 15% of data bytes can be restored.<\/li>\n
- Level Q (Quartile) – 25% of data bytes can be restored.<\/li>\n
- Level H (High) – 30% of data bytes can be restored.<\/li>\n<\/ul>\n<\/li>\n
$matrixPointSize<\/code> – Specify the size of the QR code matrix point.<\/li>\n$margin<\/code> – Set the margin between the QR code and the background.<\/li>\n<\/ul>\n\/\/ Additional config
<\/span>$errorCorrectionLevel <\/span>= <\/span>'L'<\/span>; <\/span>\/\/'L','M','Q','H'
<\/span>$matrixPointSize <\/span>= <\/span>10<\/span>;
<\/span>$margin <\/span>= <\/span>2<\/span>;<\/span><\/pre>\nSpecify content to be stored in the QR code:<\/b><\/p>\n\/\/ QR code content
<\/span>$qrContent <\/span>= <\/span>'PHP QR Code Generated by CodexWorld :)'<\/span>;<\/span><\/pre>\nUse the png()<\/code> method of the QRcode class to generate a QR code with PHP:<\/b>
\nThe QR code will be generated and stored in the specified folder on the server.<\/p>\nQRcode<\/span>::<\/span>png<\/span>(<\/span>$qrContent<\/span>, <\/span>$qr_file_path<\/span>, <\/span>$errorCorrectionLevel<\/span>, <\/span>$matrixPointSize<\/span>, <\/span>$margin<\/span>); <\/span><\/pre>\nDisplay QR code in HTML:<\/b>
\nUse <img<\/span>><\/span> tag to display the QR code on the web page.<\/p>\n<img<\/span> src<\/span>=\"<?php <\/span>echo <\/span>$IMG_WEB_DIR<\/span>.<\/span>basename<\/span>(<\/span>$qr_file_path<\/span>); <\/span>?><\/span>\"<\/span> \/><\/span><\/pre>\nCreate Different Types of QR Code with PHP<\/h2>\n
Here are some examples to generate different types of QR code images using PHP.<\/p>\n
URL QR Code:<\/b>
\nInclude the protocol (HTTP or HTTPS) to recognize the QR code as a webpage URL.<\/p>\n$qrContent <\/span>= <\/span>'https:\/\/www.codexworld.com\/'<\/span>;<\/span><\/pre>\nApp Download Link QR Code:<\/b>
\nThe Google Play Store app link should be in the following format.<\/p>\n$qrContent <\/span>= <\/span>'market:\/\/details?id=com.codexworld'<\/span>;<\/span><\/pre>\nThe Apple App Store app link should be in the following format.<\/p>\n
$qrContent <\/span>= <\/span>'https:\/\/apps.apple.com\/in\/app\/facebook\/id284882215'<\/span>;<\/span><\/pre>\nEmail QR Code:<\/b>
\nUse the following format to create a QR code with an email address.<\/p>\n$qrContent <\/span>= <\/span>'mailto:john.doe@gmail.com'<\/span>;<\/span><\/pre>\nQR code for an email address with subject and body message:<\/p>\n
\n- The text used in the subject and body should be an encoded string. You can use
urlencode()<\/code> function to encode string in PHP.<\/li>\n<\/ul>\n$qrContent <\/span>= <\/span>'mailto:email@example.com?subject=Email%20Subject&body=Body%20goes%20here.'<\/span>;<\/span><\/pre>\nPhone Number QR Code:<\/b>
\nUse the phone number with the country code in the following format.<\/p>\n$qrContent <\/span>= <\/span>'tel:+15556667777'<\/span>;<\/span><\/pre>\nSMS QR Code:<\/b>
\nUse a phone number with a country code to send SMS\/MMS to a number.<\/p>\n$qrContent <\/span>= <\/span>'sms:+18005556161'<\/span>;<\/span><\/pre>\nYou can pre-filled message text in SMS QR.<\/p>\n
$qrContent <\/span>= <\/span>'sms:+18005556161:This%20is%20my%20text%20message.'<\/span>;<\/span><\/pre>\nContact QR Code:<\/b>
\nCreate a contact QR code with name, email, phone, and address.<\/p>\n$qrContent <\/span>= <\/span>'MECARD:N:Doe,John;ADR:76 9th Avenue, 4th Floor, New York, NY 10011;TEL:15556667777;EMAIL:john.doe@example.com;;'<\/span>;<\/span><\/pre>\nUse the following format to create vCard QR code.<\/p>\n
$qrContent <\/span>= <\/span>'
BEGIN:VCARD
VERSION:3.0
N:Doe;John;;;
FN:John Doe
TITLE:Software Engineer
EMAIL;TYPE=INTERNET;TYPE=WORK;TYPE=PREF:john.doe@gmail.com
URL;TYPE=Homepage:https:\/\/example.com
END:VCARD
'<\/span>;<\/span><\/pre>\nConclusion<\/h2>\n
PHP QR Code generator script helps you to create QR code images dynamically using PHP. Use this custom library to generate QR code in PHP. In this example, we have created all the commonly used QR codes (URL, App, Email, Contact, MeCard, vCard, Phone, etc) with PHP. You can enhance and customize the code to integrate QR code creation functionality in the website using PHP.<\/p>\n","protected":false},"excerpt":{"rendered":"
QR Code or Quick-Response code is machine-readable code consisting of squares arranged in square grid format. QR code is typically used to store information that can be readable by an imaging device (such as camera). <\/p>\n","protected":false},"author":1,"featured_media":5526,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[4],"tags":[166,14,244,379],"class_list":["post-5523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-library","tag-php","tag-qr","tag-qr-code","cat-4-id","has_thumb"],"yoast_head":"\n
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