Phar::canCompress

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

Returns whether phar extension supports compression using either zlib or bzip2

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.

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).

Returns:

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

Examples:

A Phar::canCompress() example

<?php
if (Phar::canCompress()) {
    echo file_get_contents('phar://compressedphar.phar/internal/file.txt');
} else {
    echo 'no compression available';
}
?>

See also:

PharFileInfo::getCompressedSize() -

PharFileInfo::isCompressed() -

PharFileInfo::compress() -

PharFileInfo::decompress() -

Phar::isCompressed() -

Phar::compressFiles() -

Phar::decompressFiles() -

Phar::getSupportedCompression() -

Phar::convertToExecutable() -

Phar::convertToData() -

Links:

http://php.net/manual/en/phar.cancompress.php

doc_php

2016-02-24 15:55:10

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