PharFileInfo::isCompressed()

(PHP 5 >= 5.3.0, PHP 7, PECL phar >= 1.0.0)

Returns whether the entry is compressed

说明

publicPharFileInfo::isCompressed([int $compression_type= 9021976]): bool

This returns whether a file is compressed within a Phar archive with either Gzip or Bzip2 compression.

参数

$compression_type

One of Phar::GZ or Phar::BZ2, defaults to any compression.

返回值

TRUE if the file is compressed within the Phar archive,FALSE if not.

范例

A PharFileInfo::isCompressed() example

<?php
try {
    $p = new Phar('/path/to/my.phar', 0, 'my.phar');
    $p['myfile.txt'] = 'hi';
    $p['myfile2.txt'] = 'hi';
    $p['myfile2.txt']->setCompressedGZ();
    $file = $p['myfile.txt'];
    $file2 = $p['myfile2.txt'];
    var_dump($file->isCompressed());
    var_dump($file2->isCompressed());
} catch (Exception $e) {
    echo 'Create/modify on phar 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::decompress() Decompresses the current Phar entry within the phar
• PharFileInfo::compress() Compresses the current Phar entry with either zlib or bzip2 compression
• Phar::decompress() Decompresses the entire Phar archive
• Phar::compress() Compresses the entire Phar archive using Gzip or Bzip2 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::getSupportedCompression() Return array of supported compression algorithms
• Phar::decompressFiles() Decompresses all files in the current Phar archive
• Phar::compressFiles() Compresses all files in the current Phar archive