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PHP : Function Reference : Phar archive stream and classes : Phar::canCompress

Phar::canCompress

Returns whether phar extension supports compression using either zlib or bzip2 ()
bool Phar::canCompress ( [int type] )

This should be used to test whether compression is possible prior to loading a phar archive containing compressed files.

Parameters

type: Either Phar::GZ or Phar::BZ2 can be used to test whether compression is possible with a specific compression algorithm (zlib or bzip2).

Return Values

TRUE if compression/decompression is available, FALSE if not.

Examples

Example 1797. A Phar::canCompress() example

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<?php
if (Phar::canCompress()) {

    echo file_get_contents('phar://compressedphar.phar/internal/file.txt');

} else {

    echo 'no compression available';

}
?>

See Also

PharFileInfo::isCompressed()

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Phar::apiVersion
Phar::canCompress
Phar::canWrite
Phar->compressAllFilesBZIP2
Phar->compressAllFilesGZ
Phar::__construct
Phar->count
Phar->getMetaData
Phar->getModified
Phar->getSignature
Phar->getStub
Phar->getVersion
Phar->isBuffering
Phar::loadPhar
Phar::mapPhar
Phar::offsetExists
Phar::offsetGet
Phar::offsetSet
Phar::offsetUnset
Phar->setMetaData
Phar->setStub
Phar->startBuffering
Phar->stopBuffering
Phar->uncompressAllFiles
PharFileInfo->chmod
PharFileInfo::__construct
PharFileInfo->getCompressedSize
PharFileInfo->getCRC32
PharFileInfo->getMetaData
PharFileInfo->getPharFlags
PharFileInfo->isCompressed
PharFileInfo->isCompressedBZIP2
PharFileInfo->isCompressedGZ
PharFileInfo->isCRCChecked
PharFileInfo->setCompressedBZIP2
PharFileInfo->setCompressedGZ
PharFileInfo->setMetaData
PharFileInfo->setUncompressed

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