PHP Dokumentation: Phar cancompress
12. Januar 2010 von werner
Phar::canCompress
(PHP >= 5.3.0, PECL phar >= 1.0.0)
Phar::canCompress — Returns whether phar extension supports compression using either zlib or bzip2
Beschreibung
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.
Parameter-Liste
- type
Either Phar::GZ or Phar::BZ2 can be used to test whether compression is possible with a specific compression algorithm (zlib or bzip2).
Rückgabewerte
TRUE if compression/decompression is available, FALSE if not.
Beispiele
Beispiel #1 A Phar::canCompress() example
<?php
if (Phar::canCompress()) {
echo file_get_contents('phar://compressedphar.phar/internal/file.txt');
} else {
echo 'no compression available';
}
?>Siehe auch
- 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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