generate QR code by google api php

In this post we explain you, how you can generate QR code with metadata by google api. You can generat qr code for any link, email, telephone number or text data.

For generate code, you can use following php script:

<?php
/*
Online PHP Examples with Source Code
website: http://4evertutorials.blogspot.in/
*/


function google_qr_code($data, $type = "TXT", $size ='150', $ec='L', $margin='0')  {     
    $types = array("URL" => "http://", "TEL" => "TEL:", "TXT"=>"", "EMAIL" => "MAILTO:");
    if(!in_array($type,array("URL", "TEL", "TXT", "EMAIL")))
    {
        $type = "TXT";
    }
    if (!preg_match('/^'.$types[$type].'/', $data))
    {
        $data = str_replace("\\", "", $types[$type]).$data;
    }
    $ch = curl_init();
    $data = urlencode($data);
    curl_setopt($ch, CURLOPT_URL, 'http://chart.apis.google.com/chart');
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, 'chs='.$size.'x'.$size.'&cht=qr&chld='.$ec.'|'.$margin.'&chl='.$data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_TIMEOUT, 30);

    $response = curl_exec($ch);

    curl_close($ch);
    return $response;
}

header("Content-type: image/png");

echo google_qr_code("4evertutorials","TXT");
//echo google_qr_code("http://4evertutorials.blogspot.com","URL");
//echo google_qr_code("4evertutorial@gmail.com","EMAIL");
//echo google_qr_code("1234567890","TEL");




?>

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The Editorial Team of 4everTutorials consists of a group of PHP Professionals.