Phar::canCompress
(PHP >= 5.3.0, PECL phar >= 1.0.0)
Phar::canCompress — Returns whether phar extension supports compression using either zlib or bzip2
설명
final public static bool Phar::canCompress
([ int
$type = 0
] )This should be used to test whether compression is possible prior to loading a phar archive containing compressed files.
인수
-
type -
Either Phar::GZ or Phar::BZ2 can be used to test whether compression is possible with a specific compression algorithm (zlib or bzip2).
반환값
TRUE if compression/decompression is available, FALSE if not.
예제
Example #1 A Phar::canCompress() example
<?php
if (Phar::canCompress()) {
echo file_get_contents('phar://compressedphar.phar/internal/file.txt');
} else {
echo 'no compression available';
}
?>
참고
- PharFileInfo::getCompressedSize() - Returns the actual size of the file (with compression) inside the Phar archive
- PharFileInfo::isCompressed() - Returns whether the entry is compressed
- PharFileInfo::compress() - Compresses the current Phar entry with either zlib or bzip2 compression
- PharFileInfo::decompress() - Decompresses the current Phar entry within the phar
- Phar::isCompressed() - Returns Phar::GZ or PHAR::BZ2 if the entire phar archive is compressed (.tar.gz/tar.bz and so on)
- Phar::compressFiles() - Compresses all files in the current Phar archive
- Phar::decompressFiles() - Decompresses all files in the current Phar archive
- Phar::getSupportedCompression() - Return array of supported compression algorithms
- Phar::convertToExecutable() - Convert a phar archive to another executable phar archive file format
- Phar::convertToData() - Convert a phar archive to a non-executable tar or zip file
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