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PHP Version : 5.5.9-1ubuntu4.29
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Directory :  /var/www/icad.astacus.se/

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current_dir [ Writeable ] document_root [ Writeable ]

 

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Current File : /var/www/icad.astacus.se/dpi.php
<?php

function jpeg_dpi($filename)
{
    if ( exif_imagetype($filename) != IMAGETYPE_JPEG ) {
        return false;
    } else {
        $exif = exif_read_data($filename, 'IFD0');
    }
    
    $x = $y = 0;
    if ( isset($exif['XResolution']) && isset($exif['YResolution']) ) {
        $x = intval(preg_replace('@^(\\d+)/(\\d+)$@e', '$1/$2', $exif['XResolution']));
        $y = intval(preg_replace('@^(\\d+)/(\\d+)$@e', '$1/$2', $exif['YResolution']));
    }
    
    if ( !$x && !$y && $fp = fopen($filename, 'r') ) {
        $string = fread($fp, 20);
        fclose($fp);
        
        $data = bin2hex(substr($string, 14, 4));
        $x = hexdec(substr($data, 0, 4));
        $y = hexdec(substr($data, 4, 4));
    }
    
    if ( $x || $y ) {
        return array($x, $y);
    }
    
    return false;
}

$FilePath = '/var/www/icad_files/1094/archive/icad_viewer_files/Poppeln 9/File_006.jpg';
  

$dpi = jpeg_dpi($FilePath);  
$dpi = $dpi[0];

$size = getimagesize($FilePath);
echo($dpi[0]);

echo($size);


?>

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