php-doc-en/reference/json/functions/json-decode.xml

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- EN-Revision: 1.4 Maintainer: kalle Status: ready -->

<refentry xml:id="function.json-decode" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>json_decode</refname>
  <refpurpose>Afkoder en JSON streng</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>mixed</type><methodname>json_decode</methodname>
   <methodparam><type>string</type><parameter>json</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>assoc</parameter></methodparam>
  </methodsynopsis>
  <para>
	Tager en JSON enkodet streng og konverter den til en PHP variabel.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>json</parameter></term>
     <listitem>
      <para>
     	JSON streng til at afkode.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>assoc</parameter></term>
     <listitem>
      <para>
	N<>r &true;, vil returnerede objekter bliver konverteret til 
	et associative <type>array</type>s.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
	Returnere et objekt eller hvis den valgfrie <parameter>assoc</parameter> 
	parameter er &true;, et assocativt <type>array</type> er returneret i stedet.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>json_decode</function> eksempler</title>
    <programlisting role="php">
<![CDATA[
<?php
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';

var_dump(json_decode($json));
var_dump(json_decode($json, true));

?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
object(stdClass)#1 (5) {
    ["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}

array(5) {
    ["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}
]]>
    </screen>
   </example>
   <example>
    <programlisting role="php">
<![CDATA[
<?php

$json = '{"foo-bar": 12345}';

$obj = json_decode($json);
print $obj->{'foo-bar'}; // 12345

?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <caution>
   <para>
	Denne funktion vil returnere &false; hvis den enkodet JSON data struktur's 
	dybde er mere en 127 elementer.
   </para>
  </caution>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>5.2.3</entry>
       <entry>Max struktur dybde blev <20>ndret fra 20 til 128</entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>json_encode</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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