©
本文檔使用 php中文網手册 發布
(PHP >= 5.3.0, PECL phar >= 1.0.0)
Phar::canCompress — Returns whether phar extension supports compression using either zlib or bzip2
$type
= 0
] )This should be used to test whether compression is possible prior to loading a phar archive containing compressed files.
type
Either Phar::GZ or Phar::BZ2 can be used to test whether compression is possible with a specific compression algorithm (zlib or bzip2).
TRUE
if compression/decompression is available, FALSE
if not.
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' ;
}
?>