<?php
 //Exif-Daten auslesen und in Array $Exif speichern
 $Exif = exif_read_data("upload/IMG_20181127_055848.jpg", 0, true);
 if($Exif === false)
 {

    echo"Keine Exif-Daten gefunden..";
 }
 else
 {
    foreach($Exif as $Schluessel=>$Abschnitt)
    {
        foreach($Abschnitt as $Name=>$Wert)
        {
            echo"$Schluessel.$Name: $Wert<br>\n";
        }
    }
 }
 ?>

Speedtest

frank@frank-MS-7A34:~$ sudo iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 
[sudo] Passwort für frank: 
Iozone: Performance Test of File I/O
    Version $Revision: 3.429 $
    Compiled for 64 bit mode.
    Build: linux-AMD64 

Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
           Al Slater, Scott Rhine, Mike Wisner, Ken Goss
            Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
           Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
           Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
          Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
            Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
           Vangel Bojaxhi, Ben England, Vikentsi Lapa.

Run began: Sun Aug 19 16:52:19 2018
Include fsync in write timing
O_DIRECT feature enabled
Auto Mode
File size set to 102400 kB
Record Size 4 kB
Record Size 16 kB
Record Size 512 kB
Record Size 1024 kB
Record Size 16384 kB

Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2

Output is in kBytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 kBytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.

                                                         random    random     bkwd    record    stride                                    

        kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
     102400       4    92640   121912   131074   139525    45719   116653                                                          
     102400      16   254286   285267   285539   320370   108049   314486                                                          
     102400     512   537947   581765   606103   598137   537701   588214                                                          
     102400    1024   566892   547921   567369   597286   518014   558686                                                          
     102400   16384  1407884  1642148  1941120  2115608  2006947  1668118                                                          

iozone test complete.

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