PHP Two-dimensional code generator

PHP Two-dimensional code generator

(1) Download the PHP QR code library on the official website, download the source files and extract them to the Phpqrcode directory.

(2) Create a script file create_png.php add the user form on the page with the following code:

<form method= "POST" >

Input text: <input type= "text" name= "info" ><br>

Please select size: <select name= ' Size ' >

<?

for ($i =1; $i <=10; $i + +) {//execute 10 cycles

if ($i ==4) {//default status is 4

echo "<option value=". $i. "' Selected> ". $i." </option> ";

}elese{

echo "<optionvalue=". $i. "' > ". $i." </option> ";

}

}

?>

</select>

<input type= "Submit" value= ' Generate and display ' id= ' input ' >

</form>

(3) Continue to add PHP operation code on the page as follows:

<?php

Inlcude_once ('.. /phpqrcode/qrlib.php '); Introducing the External class library

if ($_post[' info ')} {//Receive the value of the form

$temp = './images/'; Define the path of the two-dimensional code picture

$filename =time (). " Test.png "; Generate Picture Name

$filename = $temp. $filename; Build a full Catalog

QRCode::p ng ($_post[' info '), $filename, "L", $_post[' size ');//Create two-dimensional code based on parameters

echo " "; Show pictures

}

?>

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