PharFileInfo::setCompressedBZIP2

(PHP >= 5.3.0, PECL phar >= 1.0.0)

PharFileInfo::setCompressedBZIP2 — Compresses the current Phar entry within the phar using Bzip2 compression

说明

public bool PharFileInfo::setCompressedBZIP2 ( void )

Note:
此方法已经从 phar 扩展 2.0.0以上版本中删除。可使用 PharFileInfo::isCompressed()，PharFileInfo::decompress() 和 PharFileInfo::compress()替代。

This method compresses the file inside the Phar archive using bzip2 compression. The bzip2 extension must be enabled to take advantage of this feature. In addition, if the file is already compressed using gzip compression, the zlib extension must be enabled in order to decompress the file. As with all functionality that modifies the contents of a phar, the phar.readonly INI variable must be off in order to succeed.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

错误／异常

Throws BadMethodCallException if the phar.readonly INI variable is on, or if the bzip2 extension is not available.

范例

Example #1 A PharFileInfo::setCompressedBZIP2() example


<?php
try {
    $p = new Phar('/path/to/my.phar', 0, 'my.phar');
    $p['myfile.txt'] = 'hi';
    $file = $p['myfile.txt'];
    var_dump($file->isCompressedBZIP2());
    $p['myfile.txt']->setCompressedBZIP2();
    var_dump($file->isCompressedBZIP2());
} catch (Exception $e) {
    echo 'Create/modify operations on my.phar failed: ', $e;
}
?>

以上例程会输出：

bool(false)
bool(true)

参见

PharFileInfo::getCompressedSize() - Returns the actual size of the file (with compression) inside the Phar archive
PharFileInfo::isCompressedBZIP2() - Returns whether the entry is compressed using bzip2
PharFileInfo::isCompressed() - Returns whether the entry is compressed
PharFileInfo::isCompressedGZ() - Returns whether the entry is compressed using gz
PharFileInfo::setUncompressed() - Uncompresses the current Phar entry within the phar, if it is compressed
PharFileInfo::setCompressedGZ() - Compresses the current Phar entry within the phar using gz compression
Phar::canCompress() - Returns whether phar extension supports compression using either zlib or bzip2
Phar::isCompressed() - Returns Phar::GZ or PHAR::BZ2 if the entire phar archive is compressed (.tar.gz/tar.bz and so on)
Phar::compressAllFilesBZIP2() - Compresses all files in the current Phar archive using Bzip2 compression
Phar::compressAllFilesGZ() - Compresses all files in the current Phar archive using Gzip compression
Phar::getSupportedCompression() - Return array of supported compression algorithms
Phar::uncompressAllFiles() - Uncompresses all files in the current Phar archive