public function vfsStreamWrapper::stream_truncate in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/vfsStreamWrapper.php \org\bovigo\vfs\vfsStreamWrapper::stream_truncate()

truncates a file to a given length

@since 1.1.0

Parameters

int $size length to truncate file to:

Return value

bool

File

vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/vfsStreamWrapper.php, line 468

Class

vfsStreamWrapper

Stream wrapper to mock file system requests.

Namespace

org\bovigo\vfs

Code

public function stream_truncate($size) {
  if (self::READONLY === $this->mode) {
    return false;
  }
  if ($this->content
    ->isWritable(vfsStream::getCurrentUser(), vfsStream::getCurrentGroup()) === false) {
    return false;
  }
  if ($this->content
    ->getType() !== vfsStreamContent::TYPE_FILE) {
    return false;
  }
  if (self::$quota
    ->isLimited() && $this->content
    ->size() < $size) {
    $maxSize = self::$quota
      ->spaceLeft(self::$root
      ->sizeSummarized());
    if (0 === $maxSize) {
      return false;
    }
    if ($size > $maxSize) {
      $size = $maxSize;
    }
  }
  return $this->content
    ->truncate($size);
}