bzopen

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

bzopenAbre un archivo comprimido con bzip2

Descripción

bzopen(string|resource $file, string $mode): resource|false

bzopen() abre un archivo bzip2 (.bz2) en modo escritura o lectura.

Parámetros

file

El nombre del fichero a abrir o un recurso de flujo existente.

mode

Los modos 'r' (para lectura), y 'w' (para escritura) son soportados. Cualquier otra opción hará que la función bzopen() retorne false.

Valores devueltos

Si la apertura falla, bzopen() retorna false, de lo contrario, retorna un puntero al fichero abierto.

Ejemplos

Ejemplo #1 Ejemplo con bzopen()

<?php

$file
= "/tmp/foo.bz2";
$bz = bzopen($file, "r") or die("Imposible abrir el fichero $file para lectura");

bzclose($bz);

?>

Ver también

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User Contributed Notes 2 notes

up
1
KrazyBox
16 years ago
In some circumstances, you may want to send a bzip2 stream to the client.

To do this, you need only do:

<?php
ob_flush
();
$bz = bzopen('php://stdout', 'w');
bzwrite($bz, 'some input here');
bzclose($bz);
?>

However, please note, because you are using STDOUT, you need to ob_flush() before actually writing to the stream. Otherwise, you might be sending data before the headers, which will cause errors on both server and client ends, in most cases.

You might be able to use php://output rather than php://stdout, however in my tests (with Linux), php://output doesn't actually work - at all.
up
-1
Jille at quis dot cx dot spam dot to dot my dot devnull
17 years ago
Warning!

the example show above is _not_ working in every case!
This example will continue reading until there is no more data:

<?PHP
$bz
=bzopen('foo.bz2', 'r');
$data="";
do {
$line=bzread($bz, 8092);
if(
$line!==false)
$data.=$line;
}
while(
$line);
bzclose($bz);
?>
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