Phar::canCompress
PHP function
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(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 1.0.0)
Returns whether phar extension supports compression using either zlib or bzip2
Description
Phar::canCompress(int $compression = 0): bool
This should be used to test whether compression is possible prior to loading a phar archive containing compressed files.
Parameters
compressionEither
Phar::GZorPhar::BZ2can 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
A Phar::canCompress() example
php
<?php
if (Phar::canCompress()) {
echo file_get_contents('phar://compressedphar.phar/internal/file.txt');
} else {
echo 'no compression available';
}
?>