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doc-fr/reference/info/functions/get-defined-constants.xml
Sergey Panteleev b353643ded Sync various sections (#248)
Co-authored-by: George Peter Banyard <girgias@php.net>
2022-06-23 14:36:49 +01:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 0e8fa6aa168fe2cb9bc5cae74ed22a52d1df891b Maintainer: yannick Status: ready -->
<!-- Reviewed: yes -->
<refentry xml:id="function.get-defined-constants" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>get_defined_constants</refname>
<refpurpose>Retourne la liste des constantes et leurs valeurs</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>get_defined_constants</methodname>
<methodparam choice="opt"><type>bool</type><parameter>categorize</parameter><initializer>&false;</initializer></methodparam>
</methodsynopsis>
<para>
Retourne les noms et valeurs des constantes déjà définies.
Cela inclut les constantes créées par les extensions, et celles
créées avec la fonction <function>define</function>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>categorize</parameter></term>
<listitem>
<para>
Permet à cette fonction de retourner un tableau multidimensionnel
avec les catégories en tant que clés de la première dimension et les constantes
ainsi que leurs valeurs dans la seconde dimension.
<informalexample>
<programlisting role="php">
<![CDATA[
<?php
define("MY_CONSTANT", 1);
print_r(get_defined_constants(true));
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[Core] => Array
(
[E_ERROR] => 1
[E_WARNING] => 2
[E_PARSE] => 4
[E_NOTICE] => 8
[E_CORE_ERROR] => 16
[E_CORE_WARNING] => 32
[E_COMPILE_ERROR] => 64
[E_COMPILE_WARNING] => 128
[E_USER_ERROR] => 256
[E_USER_WARNING] => 512
[E_USER_NOTICE] => 1024
[E_ALL] => 2047
[TRUE] => 1
)
[pcre] => Array
(
[PREG_PATTERN_ORDER] => 1
[PREG_SET_ORDER] => 2
[PREG_OFFSET_CAPTURE] => 256
[PREG_SPLIT_NO_EMPTY] => 1
[PREG_SPLIT_DELIM_CAPTURE] => 2
[PREG_SPLIT_OFFSET_CAPTURE] => 4
[PREG_GREP_INVERT] => 1
)
[user] => Array
(
[MY_CONSTANT] => 1
)
)
]]>
</screen>
</informalexample>
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Retourne un tableau de constantes au format "nom de la constante"
=> "valeur de la constante", optionnellement
groupées par le nom de l'extension ayant enregistré la constante.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Exemple avec <function>get_defined_constants</function></title>
<programlisting role="php">
<![CDATA[
<?php
print_r(get_defined_constants());
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[E_ERROR] => 1
[E_WARNING] => 2
[E_PARSE] => 4
[E_NOTICE] => 8
[E_CORE_ERROR] => 16
[E_CORE_WARNING] => 32
[E_COMPILE_ERROR] => 64
[E_COMPILE_WARNING] => 128
[E_USER_ERROR] => 256
[E_USER_WARNING] => 512
[E_USER_NOTICE] => 1024
[E_ALL] => 2047
[TRUE] => 1
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>defined</function></member>
<member><function>constant</function></member>
<member><function>get_loaded_extensions</function></member>
<member><function>get_defined_functions</function></member>
<member><function>get_defined_vars</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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