Download File to server from URL

Question

Well  this one seems quite simple  and it is  All you have to do to download a file to your server is   file put contents  Tmpfile zip   file get contents  http   someurl file zip       Only there is one problem  What if you have a large file  like 100mb  Then  you will run out of memory  and not be able to download the file   What I want is a way to write the file to the disk as I am downloading it  That way  I can download bigger files  without running into memory problems

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Create a folder called  quot downloads quot  in destination server Save  this code  into  php file and run in destination server  Downloader    lt html gt   lt form method  quot post quot  gt   lt input name  quot url quot  size  quot 50 quot    gt   lt input name  quot submit quot  type  quot submit quot    gt   lt  form gt   lt  php        maximum execution time in seconds     set time limit  24   60   60        if   isset   POST  submit     die            folder to save downloaded files to  must end with slash      destination folder    downloads          url     POST  url         newfname    destination folder   basename  url         file   fopen   url   quot rb quot        if   file           newf   fopen   newfname   quot wb quot           if   newf        while  feof  file             fwrite  newf  fread  file  1024   8    1024   8                       if   file          fclose  file              if   newf          fclose  newf           gt   lt  html gt

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Since PHP 5 1 0  file put contents   supports writing piece-by-piece by passing a stream-handle as the  data parameter   file put contents  Tmpfile zip   fopen  http   someurl file zip    r       From the manual      If data  that is the second argument  is a stream resource  the remaining buffer of that stream will be copied to the specified file  This is similar with using   stream copy to stream       Thanks Hakre

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set time limit 0     file   file get contents  path of your file    file put contents  file ext    file

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Simple solution   lt  php  exec  wget http   someurl file zip

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private function downloadFile  url   path         newfname    path       file   fopen   url   rb        if   file             newf   fopen   newfname   wb            if   newf                while  feof  file                     fwrite  newf  fread  file  1024   8   1024   8                                     if   file            fclose  file             if   newf            fclose  newf

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Try using cURL  set time limit 0      unlimited max execution time  options   array    CURLOPT FILE      gt    path to download the file to zip     CURLOPT TIMEOUT   gt   28800     set this to 8 hours so we dont timeout on big files   CURLOPT URL       gt   http   remoteserver com path to big file zip        ch   curl init    curl setopt array  ch   options   curl exec  ch   curl close  ch     I m not sure but I believe with the CURLOPT FILE option it writes as it pulls the data  ie  not buffered

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A PHP 4  amp  5 Solution   readfile   will not present any memory issues  even when sending large files  on its own  A URL can be used as a filename with this function if the fopen wrappers have been enabled   http   php net manual en function readfile php

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best solution  install aria2c in system  amp    echo exec  quot aria2c   quot  url  quot  quot

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prodigitalson s answer didn t work for me  I got missing fopen in CURLOPT FILE more details   This worked for me  including local urls   function downloadUrlToFile  url   outFileName           if is file  url             copy  url   outFileName          else            options   array            CURLOPT FILE      gt  fopen  outFileName   w              CURLOPT TIMEOUT   gt   28800     set this to 8 hours so we dont timeout on big files           CURLOPT URL       gt   url                      ch   curl init            curl setopt array  ch   options           curl exec  ch           curl close  ch

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I use this to download file  function cURLcheckBasicFunctions       if   function exists  curl init    amp  amp         function exists  curl setopt    amp  amp         function exists  curl exec    amp  amp         function exists  curl close     return false    else return true           Returns string status information     Can be changed to int or bool return types      function cURLdownload  url   file      if   cURLcheckBasicFunctions     return  UNAVAILABLE  cURL Basic Functions      ch   curl init      if  ch            fp   fopen  file   w        if  fp              if   curl setopt  ch  CURLOPT URL   url                    fclose  fp      to match fopen           curl close  ch      to match curl init           return  FAIL  curl setopt CURLOPT URL                  if    ini get  open basedir    amp  amp   ini get  safe mode        redirects  lt  1            curl setopt  ch  CURLOPT USERAGENT    Mozilla 5 0  X11  U  Linux i686  en-US  rv 1 8 1 11  Gecko 20071204 Ubuntu 7 10  gutsy  Firefox 2 0 0 11            curl setopt  ch  CURLOPT RETURNTRANSFER  1             curl setopt  ch  CURLOPT REFERER   http   domain com             if   curl setopt  ch  CURLOPT HEADER   curlopt header   return  FAIL  curl setopt CURLOPT HEADER            if   curl setopt  ch  CURLOPT FOLLOWLOCATION   redirects  gt  0   return  FAIL  curl setopt CURLOPT FOLLOWLOCATION            if   curl setopt  ch  CURLOPT FILE   fp    return  FAIL  curl setopt CURLOPT FILE            if   curl setopt  ch  CURLOPT MAXREDIRS   redirects    return  FAIL  curl setopt CURLOPT MAXREDIRS             return curl exec  ch         else           curl setopt  ch  CURLOPT USERAGENT    Mozilla 5 0  X11  U  Linux i686  en-US  rv 1 8 1 11  Gecko 20071204 Ubuntu 7 10  gutsy  Firefox 2 0 0 11            curl setopt  ch  CURLOPT RETURNTRANSFER  1             curl setopt  ch  CURLOPT REFERER   http   domain com             if   curl setopt  ch  CURLOPT FOLLOWLOCATION  false   return  FAIL  curl setopt CURLOPT FOLLOWLOCATION            if   curl setopt  ch  CURLOPT FILE   fp    return  FAIL  curl setopt CURLOPT FILE            if   curl setopt  ch  CURLOPT HEADER  true   return  FAIL  curl setopt CURLOPT HEADER            if   curl setopt  ch  CURLOPT RETURNTRANSFER  true   return  FAIL  curl setopt CURLOPT RETURNTRANSFER            if   curl setopt  ch  CURLOPT FORBID REUSE  false   return  FAIL  curl setopt CURLOPT FORBID REUSE            curl setopt  ch  CURLOPT USERAGENT    Mozilla 5 0  X11  U  Linux i686  en-US  rv 1 8 1 11  Gecko 20071204 Ubuntu 7 10  gutsy  Firefox 2 0 0 11                   if   curl setopt  ch  CURLOPT FOLLOWLOCATION  true    return  FAIL  curl setopt CURLOPT FOLLOWLOCATION             if   curl setopt  ch  CURLOPT FILE   fp    return  FAIL  curl setopt CURLOPT FILE             if   curl setopt  ch  CURLOPT HEADER  0    return  FAIL  curl setopt CURLOPT HEADER          if   curl exec  ch    return  FAIL  curl exec           curl close  ch         fclose  fp         return  SUCCESS   file   url              else return  FAIL  fopen           else return  FAIL  curl init

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Use a simple method in php copy     copy  source url   local path with file name     Note  if the destination file already exists  it will be overwritten  PHP copy   Function  Note  You need to set permission 777 for the destination folder  Use this method when you are downloading to your local machine   Special Note  777 is a permission in Unix based system with full read write execute permission to owner  group and everyone  In general we give this permission to assets which are not much needed to be hidden from public on a web server  Example  images folder

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There are 3 ways    file get contents and file put contents CURL fopen   You can find examples from here

[php] Download File to server from URL

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