# Phar::compressAllFilesGZ

(PHP 5 >= 5.3.0, PHP 7, PECL phar >= 1.0.0)

Phar::compressAllFilesGZ — Compresses all files in the current Phar archive using Gzip compression

### Description

public Phar::compressAllFilesGZ ( void ) : bool

> Note:

> This method has been removed from the phar extension as of version 2.0.0. Alternative implementations are available using Phar::compress(), Phar::decompress(), Phar::compressFiles() and Phar::decompressFiles().

> Note:

> This method requires the php.ini setting phar.readonly to be set to 0 in order to work for Phar objects. Otherwise, a PharException will be thrown.

For tar-based phar archives, this method compresses the entire archive using gzip compression. The resulting file can be processed with the gunzip command, or accessed directly and transparently with the Phar extension.

For Zip-based and phar-based phar archives, this method compresses all files in the Phar archive using gzip compression. The zlib extension must be enabled to take advantage of this feature. In addition, if any files are already compressed using bzip2 compression, the bzip2 extension must be enabled in order to decompress the files prior to re-compressing with gzip compression. As with all functionality that modifies the contents of a phar, the phar.readonly INI variable must be off in order to succeed.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Errors/Exceptions

Throws BadMethodCallException if the phar.readonly INI variable is on, the zlib extension is not available, or if any files are compressed using bzip2 compression and the bzip2 extension is not enabled.

### Examples

Example #1 A Phar::compressAllFilesGZ() example

`<?php
$p = new Phar('/path/to/my.phar', 0, 'my.phar');
$p['myfile.txt'] = 'hi';
$p['myfile2.txt'] = 'hi';
foreach ($p as $file) {
var_dump($file->getFileName());
var_dump($file->isCompressed());
var_dump($file->isCompressedBZIP2());
var_dump($file->isCompressedGZ());
}
$p->compressAllFilesGZ();
foreach ($p as $file) {
var_dump($file->getFileName());
var_dump($file->isCompressed());
var_dump($file->isCompressedBZIP2());
var_dump($file->isCompressedGZ());
}
?>`

The above example will output:

    string(10) "myfile.txt"
    bool(false)
    bool(false)
    bool(false)
    string(11) "myfile2.txt"
    bool(false)
    bool(false)
    bool(false)
    string(10) "myfile.txt"
    bool(true)
    bool(false)
    bool(true)
    string(11) "myfile2.txt"
    bool(true)
    bool(false)
    bool(true)

### See Also

- PharFileInfo::getCompressedSize() - Returns the actual size of the file (with compression) inside the Phar archive
- PharFileInfo::isCompressedBZIP2() - Returns whether the entry is compressed using bzip2
- PharFileInfo::isCompressed() - Returns whether the entry is compressed
- PharFileInfo::isCompressedGZ() - Returns whether the entry is compressed using gz
- PharFileInfo::setCompressedBZIP2() - Compresses the current Phar entry within the phar using Bzip2 compression
- PharFileInfo::setUncompressed() - Uncompresses the current Phar entry within the phar, if it is compressed
- PharFileInfo::setCompressedGZ() - Compresses the current Phar entry within the phar using gz 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::compressAllFilesBZIP2() - Compresses all files in the current Phar archive using Bzip2 compression
- Phar::getSupportedCompression() - Return array of supported compression algorithms
- Phar::uncompressAllFiles() - Uncompresses all files in the current Phar archive