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PHP class to generate QR code

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PHP class to generate QR code

<?php
class qrstr {
  public static function set(&$srctab, $x, $y, $repl, $replLen = false) {
    $srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));
  }
}
define('QR_CACHEABLE', false);       // use cache - more disk reads but less CPU power, masks and format templates are stored there
define('QR_CACHE_DIR', false);       // used when QR_CACHEABLE === true
define('QR_LOG_DIR', false);         // default error logs dir

This is a very useful class library for generating QR codes in PHP. Friends who need it can download and use

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