Create a folder if it doesn t already exist

Question

I ve run into a few cases with WordPress installs with Bluehost where I ve encountered errors with my WordPress theme because the uploads folder wp-content uploads was not present   Apparently the Bluehost cPanel WordPress installer does not create this folder  though HostGator does   So I need to add code to my theme that checks for the folder and creates it otherwise

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Within WordPress there s also the very handy function wp mkdir p which will recursively create a directory structure     Source for reference -  function wp mkdir p   target          wrapper   null          strip the protocol     if  wp is stream   target               list   wrapper   target     explode          target  2                  from php net mkdir user contributed notes      target   str replace              target            put the wrapper back on the target     if   wrapper     null              target    wrapper            target                safe mode fails with a trailing slash under certain PHP versions       target   rtrim  target           Use rtrim   instead of untrailingslashit to avoid formatting php dependency      if   empty  target             target             if   file exists   target             return  is dir   target            We need to find the permissions of the parent folder that exists and inherit that       target parent   dirname   target        while           target parent  amp  amp    is dir   target parent                target parent   dirname   target parent                  Get the permission bits      if    stat    stat   target parent                dir perms    stat  mode    amp  0007777        else            dir perms   0777             if    mkdir   target   dir perms  true                   If a umask is set that modifies  dir perms  we ll have to re-set the  dir perms correctly with chmod           if    dir perms       dir perms  amp   umask                      folder parts   explode       substr   target  strlen   target parent     1                  for    i   1   i  lt   count   folder parts     i                        chmod   target parent         implode       array slice   folder parts  0   i       dir perms                                     return true             return false

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if   is dir  path directory           mkdir  path directory

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Recursively create directory path   function makedirs  dirpath   mode 0777        return is dir  dirpath     mkdir  dirpath   mode  true       Inspired by Python s os makedirs

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Faster way to create folder   if   is dir  path to directory          mkdir  path to directory   0777  true

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Better to use wp mkdir p function for it  This function will recursively create a folder with the correct permissions  Also  you can skip folder exists condition because it will be check before creating   path    path to directory   if   wp mkdir p   path              Directory exists or was created     More  https   developer wordpress org reference functions wp mkdir p

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We should always modularise our code and I ve written the same check it below    We first check the directory  if the directory is absent we create the directory    boolDirPresents    this- gt CheckDir  DirectoryName    if    boolDirPresents             boolCreateDirectory    this- gt CreateDirectory  DirectoryName           if   boolCreateDirectory            echo  Created successfully                function CheckDir  DirName        if  file exists  DirName             echo  Dir Exists lt br gt            return true        else           echo  Dir Not Absent lt br gt            return false           function CreateDirectory  DirName        if  mkdir  DirName  0777             return true        else           return false

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Here you go   if   is dir  path to directory          if   mkdir  path to directory   0777  true   amp  amp   is dir  path to directory              throw new  RuntimeException sprintf  Directory   s  was not created    path to directory

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If you want to avoid the file exists VS is dir problem  I would suggest you to look here  I tried this and it only creates the directory if the directory does not exist  It does not care it there is a file with that name      Creates the directory if it does not exist     path to directory    path to directory   if   file exists  path to directory   amp  amp   is dir  path to directory         mkdir  path to directory  0777  true

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You first need to check if directory exists file exists  path to directory    Then use mkdir path to directory  to create a directory  mkdir  string  pathname    int  mode   0777    bool  recursive   FALSE    resource  context         bool   More about mkdir   here  Full code here    structure      depth1 depth2 depth3    if   file exists  structure         mkdir  structure

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Here is the missing piece  You need to pass  recursive  flag as third argument  boolean true  in mkdir call like this   mkdir  path to directory   0755  true

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This is the most up-to-date solution without error suppression   if   is dir  path to directory          mkdir  path to directory

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Try this  using mkdir   if   file exists  path to directory          mkdir  path to directory   0777  true       Note that 0777 is already the default mode for directories and may still be modified by the current umask

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What about a helper function like this   function makeDir  path          ret   mkdir  path      use  mkdir if you want to suppress warnings errors      return  ret     true    is dir  path       It will return true if the directory was successfully created or already exists  and false if the directory couldn t be created   A better alternative is this  shouldn t give any warnings    function makeDir  path         return is dir  path     mkdir  path

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upload   wp upload dir     upload dir    upload  basedir     upload dir    upload dir     newfolder   if    is dir  upload dir        mkdir   upload dir  0700

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Something a bit more universal since this comes up on google   While the details are more specific  the title of this question is more universal           recursively create a long directory path     function createPath  path        if  is dir  path   return true       prev path   substr  path  0  strrpos  path       -2    1         return   createPath  prev path       return   return  amp  amp  is writable  prev path     mkdir  path    false      This will take a path  possibly with a long chain of uncreated directories  and keep going up one directory until it gets to an existing directory   Then it will attempt to create the next directory in that directory  and continue till it s created all the directories   It returns true if successful   Could be improved by providing a stopping level so it just fails if it goes beyond user folder or something and by including permissions

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For your specific question about WordPress  use the following code  if   is dir ABSPATH    wp-content uploads    wp mkdir p ABSPATH    wp-content uploads     Function Reference  WordPress wp mkdir p  ABSPATH is the constant that returns WordPress working directory path  The following code is for PHP in general  if   is dir  path to directory    mkdir  path to directory   0777  true    Function reference  PHP is dir

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To create a folder if it doesn t already exist  Considering the question s environment    WordPress  Webhosting Server  Assuming its Linux not Windows running PHP    And quoting from  http   php net manual en function mkdir php     bool mkdir   string  pathname    int  mode   0777    bool  recursive     FALSE    resource  context         Manual says that the only required parameter is the  pathname   so  We can simply code    lt  php error reporting 0    if  mkdir  wp-content uploads           todo     gt    Explanation   We don t have to pass any parameter or check if folder exists or even pass mode parameter unless needed  for the following reasons    The command will create the folder with 0755 permission  Shared hosting folder s default permission  or 0777 the command s default  mode is ignored on Windows Hosting running PHP  Already the mkdir command has build in checker if folder exists  so we need to check the return only True False   and its not an error  its a warning only  and Warning is disabled in hosting servers by default  As per speed  this is faster if warning disabled    This is just another way to look into the question and not claiming a better or most optimal solution   Tested on PHP7  Production Server  Linux

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I need the same thing for a login site  I needed to create a directory with a two variables  The  directory is the main folder where I wanted to create another sub-folder with the users license number   include once     include session php     lnum    session- gt lnum    Users license number from sessions  directory   uploaded labels     Name of directory that folder is being created in  if   file exists  directory      lnum     mkdir  directory      lnum  0777  true

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You can try also   dirpath    quot path to dir quot    mode    quot 0764 quot   is dir  dirpath     mkdir  dirpath   mode  true

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As a complement to current solutions  a utility function  function createDir  path   mode   0777   recursive   true      if file exists  path   return true    return mkdir  path   mode   recursive      createDir  path to directory     It returns true if already exists or successfully created  Else it returns false

[php] Create a folder if it doesn't already exist

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