PHP QRtools::timeBenchmark方法代码示例

    public function init(){
	    //ofcourse we need rights to create temp dir
	    if (!file_exists($this->pngTempDir))
	        mkdir($this->pngTempDir);
	
	    if ($this->date != 'shopnc') { 
	            
	        // user data
	        if ($this->pngTempName != '') {
	            $filename = $this->pngTempDir.$this->pngTempName;
	        } else {
	           $filename = $this->pngTempDir.'test'.md5($this->date.'|'.$this->errorCorrectionLevel.'|'.$this->matrixPointSize).'.png';
	        }
	        QRcode::png($this->date, $filename, $this->errorCorrectionLevel, $this->matrixPointSize, 2);    
	        
	    } else {    
	    
	        //default data
	        QRcode::png('http://www.ejiao2o.com', $filename, $this->errorCorrectionLevel, $this->matrixPointSize, 2);    
	        
	    }    
	        
	    //display generated file
	    return basename($filename);
	    
	    QRtools::timeBenchmark();    
	}

    if (trim($_REQUEST['data']) == '') {
        die('data cannot be empty! <a href="?">back</a>');
    }
    // user data
    $filename = $PNG_TEMP_DIR . 'test' . md5($_REQUEST['data'] . '|' . $errorCorrectionLevel . '|' . $matrixPointSize) . '.png';
    QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2);
} else {
    //default data
    echo 'You can provide data in GET parameter: <a href="?data=like_that">like that</a><hr/>';
    QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2);
}
//display generated file
echo '<img src="' . $PNG_WEB_DIR . basename($filename) . '" /><hr/>';
//config form
echo '<form action="index.php" method="post">
        Data:&nbsp;<input name="data" value="' . (isset($_REQUEST['data']) ? htmlspecialchars($_REQUEST['data']) : 'PHP QR Code :)') . '" />&nbsp;
        ECC:&nbsp;<select name="level">
            <option value="L"' . ($errorCorrectionLevel == 'L' ? ' selected' : '') . '>L - smallest</option>
            <option value="M"' . ($errorCorrectionLevel == 'M' ? ' selected' : '') . '>M</option>
            <option value="Q"' . ($errorCorrectionLevel == 'Q' ? ' selected' : '') . '>Q</option>
            <option value="H"' . ($errorCorrectionLevel == 'H' ? ' selected' : '') . '>H - best</option>
        </select>&nbsp;
        Size:&nbsp;<select name="size">';
for ($i = 1; $i <= 10; $i++) {
    echo '<option value="' . $i . '"' . ($matrixPointSize == $i ? ' selected' : '') . '>' . $i . '</option>';
}
echo '</select>&nbsp;
        <input type="submit" value="GENERATE"></form><hr/>';
// benchmark
QRtools::timeBenchmark();

 public static function qrtest()
 {
     // Include only this file, remaining required files will be included from it
     if (!class_exists("qrstr", FALSE)) {
         require_once PATH_PHPQRCODE . "/qrlib.php";
     }
     //write code into file, Error corection lecer is lowest, L (one form: L,M,Q,H)
     //each code square will be 4x4 pixels (4x zoom)
     //code will have 2 code squares white boundary around
     if (1) {
         // Error correction level L : About 7% or less errors can be corrected.
         // Error correction level M : About 15% or less errors can be corrected.
         // Error correction level Q : About 25% or less errors can be corrected.
         // Error correction level H : About 30% or less errors can be corrected.
         $text = "http://www.nordita.org/guest/";
         $filetype = "png";
         // "png","svg","eps","txt"
         if (!in_array($filetype, array("png", "svg", "eps", "txt"))) {
             return FALSE;
         }
         $level = "H";
         // "L" (default) ,"M", "Q", "H"
         $pixelsize = 16;
         // pixel size of each code square
         $margin = 4;
         // boundary width in number of code squares
         $saveandprint = FALSE;
         // TRUE = save to file and display in browser; FALSE = save to file only; redundant if $outfile=FALSE
         $back_color = 0xffffff;
         $fore_color = 0x0;
         $cmyk = TRUE;
         $filename = "qrcode";
         $outfile = PATH_PHPQRCACHE . $filename . "." . $filetype;
         // full file path or FALSE (only output on screen)
         //$outfile      = FALSE;
         switch ($filetype) {
             case "png":
                 QRcode::png($text, $outfile, $level, $pixelsize, $margin, $saveandprint, $back_color, $fore_color);
                 break;
             case "eps":
                 QRcode::eps($text, $outfile, $level, $pixelsize, $margin, $saveandprint, $back_color, $fore_color, $cmyk);
                 break;
             case "svg":
                 QRcode::svg($text, $outfile, $level, $pixelsize, $margin, $saveandprint, $back_color, $fore_color);
                 break;
             case "txt":
                 QRcode::text($text, $outfile, $level, $pixelsize, $margin);
                 // black = "1", white = "0"
                 break;
         }
         // end switch
     }
     //same as above but outputs file directly into browser (with appr. header etc.)
     //all other settings are default
     //WARNING! it should be FIRST and ONLY output generated by script, otherwise
     //rest of output will land inside PNG binary, breaking it for sure
     if (0) {
         QRcode::png("PHP QR Code :)");
     }
     //show benchmark
     if (0) {
         QRtools::timeBenchmark();
     }
     //rebuild cache
     if (0) {
         QRtools::buildCache();
     }
     //code generated in text mode - as a binary table
     //then displayed out as HTML using Unicode block building chars :)
     if (0) {
         $qr = new QRencode();
         $tab = $qr->encode('PHP QR Code :)');
         QRspec::debug($tab, true);
     }
 }