PHP filesize MB KB conversion

Question

How can I convert the output of PHP s filesize   function to a nice format with MegaBytes  KiloBytes etc   like    if the size is less than 1 MB  show the size in KB if it s between 1 MB - 1 GB show it in MB if it s larger - in GB

User · Answer

A complete example    lt  php      units   explode      B KB MB GB TB PB        echo   lt html gt  lt body gt         echo  file size      format size filesize  example txt          echo   lt  body gt  lt  html gt           function format size  size              mod   1024           for   i   0   size  gt   mod   i                   size     mod                      endIndex   strpos  size       3           return substr   size  0   endIndex       units  i           gt

User · Answer

Even nicer is this version I created from a plugin I found   function filesize formatted  path         size   filesize  path        units   array   B    KB    MB    GB    TB    PB    EB    ZB    YB         power    size  gt  0   floor log  size  1024     0      return number format  size   pow 1024   power   2                     units  power       Note from filesize   doc     Because PHP s integer type is signed and many platforms use 32bit   integers  some filesystem functions may return unexpected results for   files which are larger than 2GB

User · Answer

function calcSize  size  accuracy 2         units   array  b   Kb   Mb   Gb        foreach  units as  n  gt  u             div   pow 1024  n           if  size  gt   div   output   number format  size  div  accuracy   u            return  output

User · Answer

A cleaner approach   function Size  path         bytes   sprintf   u   filesize  path         if   bytes  gt  0                 unit   intval log  bytes  1024             units   array  B    KB    MB    GB             if  array key exists  unit   units      true                        return sprintf   d  s    bytes   pow 1024   unit    units  unit                         return  bytes

User · Answer

Here is a sample    lt  php    Snippet from PHP Share  http   www phpshare org      function formatSizeUnits  bytes                if   bytes  gt   1073741824                         bytes   number format  bytes   1073741824  2      GB                     elseif   bytes  gt   1048576                         bytes   number format  bytes   1048576  2      MB                     elseif   bytes  gt   1024                         bytes   number format  bytes   1024  2      KB                     elseif   bytes  gt  1                         bytes    bytes     bytes                     elseif   bytes    1                         bytes    bytes     byte                     else                        bytes    0 bytes                      return  bytes      gt

User · Answer

Get the size in bytes function calculateFileSize  size        sizes     B    KB    MB    GB        count 0     if   size  lt  1024        return  size          sizes  count         else       while   size gt 1024            size round  size 1024 2            count               return  size          sizes  count

User · Answer

I think this is a better approach  Simple and straight forward   public function sizeFilter   bytes          label   array   B    KB    MB    GB    TB    PB         for   i   0   bytes  gt   1024  amp  amp   i  lt    count   label   -1     bytes    1024   i          return  round   bytes  2            label  i

User · Answer

This would be a cleaner implementation   function size2Byte  size         units   array  KB    MB    GB    TB         currUnit           while  count  units   gt  0   amp  amp    size  gt  1024             currUnit   array shift  units            size    1024            return   size   0     currUnit

User · Answer

All the answers to the question uses that 1 kilobyte   1024 bytes which is wrong   1 kibibyte   1024 bytes   since the question asks to convert file sizes  it should use that 1 kilobyte   1000 bytes  see https   wiki ubuntu com UnitsPolicy   function format bytes  bytes   precision   2         units   array  B    KB    MB    GB          bytes   max  bytes  0        pow   floor   bytes   log  bytes    0    log 1000         pow   min  pow  count  units  - 1         bytes    pow 1000   pow        return round  bytes   precision           units  pow

User · Answer

Here is a simple function to convert Bytes to KB  MB  GB  TB      Size in Bytes  size   14903511    Call this function to convert bytes to KB MB GB TB echo convertToReadableSize  size     Output   gt  14 2 MB  function convertToReadableSize  size      base   log  size    log 1024      suffix   array      KB    MB    GB    TB       f base   floor  base     return round pow 1024   base - floor  base    1     suffix  f base

User · Answer

function getNiceFileSize  file   digits   2       if  is file  file              filePath    file          if   realpath  filePath                  filePath     SERVER  DOCUMENT ROOT      filePath                     fileSize   filesize  filePath            sizes   array  TB    GB    MB    KB    B             total   count  sizes           while   total--  amp  amp   fileSize  gt  1024                 fileSize    1024                    return round  fileSize   digits           sizes  total             return false

User · Answer

This is based on  adnan s great answer   Changes    added internal filesize   call  return early style saving one concatentation on 1 byte   And you can still pull the filesize   call out of the function  in order to get a pure bytes formatting function  But this works on a file            Formats filesize in human readable way         param file  file     return string Formatted Filesize  e g   113 24 MB       function filesize formatted  file         bytes   filesize  file        if   bytes  gt   1073741824            return number format  bytes   1073741824  2      GB         elseif   bytes  gt   1048576            return number format  bytes   1048576  2      MB         elseif   bytes  gt   1024            return number format  bytes   1024  2      KB         elseif   bytes  gt  1            return  bytes     bytes         elseif   bytes    1            return  1 byte         else           return  0 bytes

[php] PHP filesize MB/KB conversion

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