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PHP Manual

Bzip2 Compression Functions

Introducere

The bzip2 functions are used to transparently read and write bzip2 (.bz2) compressed files.

Necesităţi

This module uses the functions of the » bzip2 library by Julian Seward. This module requires bzip2/libbzip2 version >= 1.0.x.

Instalarea

Bzip2 support in PHP is not enabled by default. You will need to use the --with-bz2[=DIR] configuration option when compiling PHP to enable bzip2 support.

Configuraţia la rulare

Această extensie nu are directive de configurare definite în php.ini.

Tipurile resurselor

This extension defines one resource type: a file pointer identifying the bz2-file to work on.

Constante predefinite

Această extensie nu are constante definite.

Exemple

This example opens a temporary file and writes a test string to it, then prints out the contents of the file.

Example#1 Small bzip2 Example

<?php

$filename 
"/tmp/testfile.bz2";
$str "This is a test string.\n";

// open file for writing
$bz bzopen($filename"w");

// write string to file
bzwrite($bz$str);

// close file
bzclose($bz);

// open file for reading
$bz bzopen($filename"r");

// read 10 characters
echo bzread($bz10);

// output until end of the file (or the next 1024 char) and close it.  
echo bzread($bz);

bzclose($bz);

?>

Cuprins


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