/**
* increment file id, or create file id, windows style
*
* "file" will become "file(2)"
* "file(2)" will become "file(3)" etc.
*
* @return string
*/
public static function name_unique($name, $path)
{
$extension = FS::name_extension($name);
$body = FS::name_body($name);
while (file_exists($path . $name)) {
if (substr($body, -1) == ')') {
// if the body ends in ')'
// strip the trailing ')' and explode on '('
$bodyParts = explode('(', substr($body, 0, strlen($body) - 1));
if (is_numeric($bodyParts[count($bodyParts) - 1])) {
// if the last part of the explode is numeric, it means
// the last part was '('numeric')'
// get the number as int
$number = (int) $bodyParts[count($bodyParts) - 1];
// increment
$number++;
//remove last part of the name bodyparts
array_pop($bodyParts);
// stick it back on
// implode on '(' because we explode on '(' before
// so this way we reinsert '(' elsewhere in the body name
$body = implode('(', $bodyParts) . '(' . $number . ')';
} else {
// last part was not (numeric)
// just stick (2) on it
$body = $body . '(2)';
}
} else {
// last part was not (numeric)
// just stick (2) on it
$body = $body . '(2)';
}
// reassemble name
$name = $body . '.' . $extension;
}
return $name;
}
