Functions

Functions WebDev/*nix assorted functions & hacks

File clean_filename($filename) duplicate_name($name, etc) fetch_dirlist($path='', $exts='') file_ext($file) file_label($file, $label) fsize($x) resize_image($image, $sizes) 7 found

auth

Name:
Category: File
Body:

# Creates and returns new filename based on given name - Doesn't actually duplicate any files.
# Behaviour sto^Wborrowed from OS X (sort of - apparently OS X also makes use of a list of known extensions).
# $list = array of filenames in the target directory (if none given, it will still return a new name)
# $max = max length of filename
#____________________________________________________
# duplicate_name($orig, $list = array(), $max = 64) /
function duplicate_name($orig, $list = array(), $max = 64) {
  $ext = '';
  $counter = 0;
  $list = (array) $list;
  $max = (int) $max;
  $newname = $orig;
  do {
    $name = $newname; # name in, newname out
    if (preg_match('/ copy$| copy \d+$/', $name, $matches)) {
      // don't even check for extension, name ends with " copy[ digits]"
    # preg hereunder matches anything with at least one period in the middle and an extension of 1-5 characters
    }elseif (preg_match('/(.+)\.([^.]{1,5})$/', $name, $parts)) {
      # split to name & extension
      list($name, $ext) = array($parts[1], $parts[2]);
    }
    if (preg_match('/ copy (\d+)$/', $name, $digits)) {
      $newname = substr($name, 0, - strlen($digits[1])) . ($digits[1] + 1);
      $cutlen = 6 + strlen($digits[1]+1); // ' copy ' + digits
    }elseif(preg_match('/ copy$/', $name, $digits)) {
      $newname = $name . ' 1';
      $cutlen = 7; // ' copy' + ' 1'
    }else{
      $newname = $name . ' copy';
      $cutlen = 5; // ' copy'
    }
    if ($ext) {
      $newname .= '.' . $ext;
      $cutlen += strlen($ext) + 1;
    }
    if ($max > 0) {
      if (strlen($newname) > $max) {
        $newname = substr($newname, 0, max($max - $cutlen, 0)) . substr($newname, -$cutlen);
        if (strlen($newname) > $max) {echo "duplicate_name() error: Can't keep the new name under given max length.\n"; return false;}
      }
    }
    if ($counter++ > 500) {echo "duplicate_name() error: Too many similarly named files or infinite while loop.\n"; return false;}
  } while (in_array($newname, $list));
  return $newname;
}

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File clean_filename($filename) duplicate_name($name, etc) fetch_dirlist($path='', $exts='') file_ext($file) file_label($file, $label) fsize($x) resize_image($image, $sizes) 7 found auth	Name: Category: File Body: # Creates and returns new filename based on given name - Doesn't actually duplicate any files. # Behaviour sto^Wborrowed from OS X (sort of - apparently OS X also makes use of a list of known extensions). # $list = array of filenames in the target directory (if none given, it will still return a new name) # $max = max length of filename #____________________________________________________ # duplicate_name($orig, $list = array(), $max = 64) / function duplicate_name($orig, $list = array(), $max = 64) { $ext = ''; $counter = 0; $list = (array) $list; $max = (int) $max; $newname = $orig; do { $name = $newname; # name in, newname out if (preg_match('/ copy$\| copy \d+$/', $name, $matches)) { // don't even check for extension, name ends with " copy[ digits]" # preg hereunder matches anything with at least one period in the middle and an extension of 1-5 characters }elseif (preg_match('/(.+)\.([^.]{1,5})$/', $name, $parts)) { # split to name & extension list($name, $ext) = array($parts[1], $parts[2]); } if (preg_match('/ copy (\d+)$/', $name, $digits)) { $newname = substr($name, 0, - strlen($digits[1])) . ($digits[1] + 1); $cutlen = 6 + strlen($digits[1]+1); // ' copy ' + digits }elseif(preg_match('/ copy$/', $name, $digits)) { $newname = $name . ' 1'; $cutlen = 7; // ' copy' + ' 1' }else{ $newname = $name . ' copy'; $cutlen = 5; // ' copy' } if ($ext) { $newname .= '.' . $ext; $cutlen += strlen($ext) + 1; } if ($max > 0) { if (strlen($newname) > $max) { $newname = substr($newname, 0, max($max - $cutlen, 0)) . substr($newname, -$cutlen); if (strlen($newname) > $max) {echo "duplicate_name() error: Can't keep the new name under given max length.\n"; return false;} } } if ($counter++ > 500) {echo "duplicate_name() error: Too many similarly named files or infinite while loop.\n"; return false;} } while (in_array($newname, $list)); return $newname; }
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