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Add streaming options to Storage::read() and Storage::write()

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This commit is contained in:
Kijin Sung 2016-03-20 19:53:50 +09:00
parent 4fa3bf8cfb
commit 36bc83680f
2 changed files with 72 additions and 9 deletions
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45
common/framework/storage.php
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@ -148,17 +148,27 @@ class Storage
* Get the content of a file.
*
* This method returns the content if it exists and is readable.
* Otherwise, it returns false.
* If $stream is true, it will return the content as a stream instead of
* loading the entire content in memory. This may be useful for large files.
* If the file cannot be opened, this method returns false.
*
* @param string $filename
* @return string|false
* @param bool $stream (optional)
* @return string|resource|false
*/
public static function read($filename)
public static function read($filename, $stream = false)
{
$filename = rtrim($filename, '/\\');
if (self::exists($filename) && @is_file($filename) && @is_readable($filename))
{
return @file_get_contents($filename);
if ($stream)
{
return @fopen($filename, 'r');
}
else
{
return @file_get_contents($filename);
}
}
else
{
@ -190,10 +200,12 @@ class Storage
/**
* Write $content to a file.
*
* If $content is a stream, this method will copy it to the target file
* without loading the entire content in memory. This may be useful for large files.
* This method returns true on success and false on failure.
*
* @param string $filename
* @param string $content
* @param string|resource $content
* @param string $mode (optional)
* @param int $perms (optional)
* @return string|false
@ -211,9 +223,26 @@ class Storage
}
}
$flags = ($mode === 'a') ? (\FILE_APPEND | \LOCK_EX) : (\LOCK_EX);
$write_success = @file_put_contents($filename, $content, $flags);
$result = ($write_success === strlen($content)) ? true : false;
if ($fp = fopen($filename, $mode))
{
flock($fp, \LOCK_EX);
if (is_resource($content))
{
$result = stream_copy_to_stream($content, $fp) ? true : false;
}
else
{
$result = fwrite($fp, $content) ? true : false;
}
fflush($fp);
flock($fp, \LOCK_UN);
fclose($fp);
}
else
{
return false;
}
@chmod($filename, ($perms === null ? (0666 & ~umask()) : $perms));
if (function_exists('opcache_invalidate') && substr($filename, -4) === '.php')
{