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<refentry xml:id="function.stream-wrapper-register" xmlns="http://docbook.org/ns/docbook">

<refnamediv>

<refname>stream_wrapper_register</refname>

<refpurpose>

Enregistre un gestionnaire d'URL

</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>bool</type><methodname>stream_wrapper_register</methodname>

<methodparam><type>string</type><parameter>protocol</parameter></methodparam>

<methodparam><type>string</type><parameter>class</parameter></methodparam>

<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>0</initializer></methodparam>

</methodsynopsis>

<para>

<function>stream_wrapper_register</function> permet d'implémenter

des gestionnaires de protocole et de flux, à utiliser avec

toutes les autres fonctions de fichiers, comme <function>fopen</function>,

<function>fread</function>, etc.

</para>

</refsect1><!-- }}} -->

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

<varlistentry>

<term><parameter>protocol</parameter></term>

<listitem>

<para>

Le nom du gestionnaire à enregistrer.

Les noms de protocoles valides doivent contenir uniquement des

caractères alphanumériques, points (.), plus (+), ou tiret (-).

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>class</parameter></term>

<listitem>

<para>

La classe qui implémente le protocole <parameter>protocol</parameter>.

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>flags</parameter></term>

<listitem>

<para>

Doit être configuré à <constant>STREAM_IS_URL</constant> si

<parameter>protocol</parameter> est un protocole à URL. Par défaut,

cette option vaut 0, et est valable pour les flux locaux.

</para>

</listitem>

</varlistentry>

</variablelist>

</para>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

&return.success;

</para>

<para>

<function>stream_wrapper_register</function> retourne &false; si

le protocole <parameter>protocol</parameter> a déjà un gestionnaire.

</para>

</refsect1>

<refsect1 role="examples"><!-- {{{ -->

&reftitle.examples;

<para>

<example>

<title>Comment enregistrer un gestionnaire de flux</title>

<programlisting role="php">

<![CDATA[

<?php

$existed = in_array("var", stream_get_wrappers());

if ($existed) {

stream_wrapper_unregister("var");

}

stream_wrapper_register("var", "VariableStream");

$myvar = "";

$fp = fopen("var://myvar", "r+");

fwrite($fp, "line1\n");

fwrite($fp, "line2\n");

fwrite($fp, "line3\n");

rewind($fp);

while (!feof($fp)) {

echo fgets($fp);

}

fclose($fp);

var_dump($myvar);

if ($existed) {

stream_wrapper_restore("var");

}

?>

]]>

</programlisting>

&example.outputs;

<screen>

<![CDATA[

line1

line2

line3

string(18) "line1

line2

line3

"

]]>

</screen>

</example>

</para>

</refsect1><!-- }}} -->

<refsect1 role="seealso"><!-- {{{ -->

&reftitle.seealso;

<para>

<simplelist>

<member>Le prototype de classe <xref linkend="class.streamwrapper"/></member>

<member><xref linkend="stream.streamwrapper.example-1"/></member>

<member><function>stream_wrapper_unregister</function></member>

<member><function>stream_wrapper_restore</function></member>

<member><function>stream_get_wrappers</function></member>

</simplelist>

</para>

</refsect1><!-- }}} -->

</refentry>

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