PharFileInfo::isCompressed

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

PharFileInfo::isCompressed — Returns whether the entry is compressed

说明

public bool PharFileInfo::isCompressed ([ int $compression_type = 9021976 ] )

This returns whether a file is compressed within a Phar archive with either Gzip or Bzip2 compression.

参数

compression_type: One of Phar::GZ or Phar::BZ2 , defaults to any compression.

返回值

TRUE if the file is compressed within the Phar archive, FALSE if not.

范例

Example #1 A PharFileInfo::isCompressed() example

  <?php
 try {
     $p  = new  Phar ( '/path/to/my.phar' ,  0 ,  'my.phar' );
     $p [ 'myfile.txt' ] =  'hi' ;
     $p [ 'myfile2.txt' ] =  'hi' ;
     $p [ 'myfile2.txt' ]-> setCompressedGZ ();
     $file  =  $p [ 'myfile.txt' ];
     $file2  =  $p [ 'myfile2.txt' ];
     var_dump ( $file -> isCompressed ());
     var_dump ( $file2 -> isCompressed ());
} catch ( Exception $e ) {
    echo  'Create/modify on phar my.phar failed: ' ,  $e ;
}
 ?>

以上例程会输出：

bool(false)
bool(true)

参见

PharFileInfo::getCompressedSize() - Returns the actual size of the file (with compression) inside the Phar archive
PharFileInfo::decompress() - Decompresses the current Phar entry within the phar
PharFileInfo::compress() - Compresses the current Phar entry with either zlib or bzip2 compression
Phar::decompress() - Decompresses the entire Phar archive
Phar::compress() - Compresses the entire Phar archive using Gzip or Bzip2 compression
Phar::canCompress() - Returns whether phar extension supports compression using either zlib or bzip2
Phar::isCompressed() - Returns Phar::GZ or PHAR::BZ2 if the entire phar archive is compressed (.tar.gz/tar.bz and so on)
Phar::getSupportedCompression() - Return array of supported compression algorithms
Phar::decompressFiles() - Decompresses all files in the current Phar archive
Phar::compressFiles() - Compresses all files in the current Phar archive