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251 lines
5.3 KiB
XML
251 lines
5.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 0987e913fcaed76897aeb239c6ed83d765a895e1 Maintainer: cmb Status: ready -->
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<!-- Reviewed: yes -->
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<!-- Rev-Revision: 6a6f43d1c490a57b452656db285de6d136055ed2 Reviewer: samesch -->
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<!-- CREDITS: tom -->
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<refentry xml:id="function.array-unshift" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_unshift</refname>
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<refpurpose>Fügt ein oder mehr Elemente am Anfang eines Arrays ein</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>array_unshift</methodname>
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<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
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<methodparam rep="repeat"><type>mixed</type><parameter>values</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_unshift</function> fügt die übergebenen Elemente am Anfang
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von <parameter>array</parameter> ein. Beachten Sie, dass die Liste von
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Elementen als Ganzes eingefügt wird, sodass die eingefügten Elemente ihre
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Reihenfolge behalten. Die numerischen Schlüssel werden so modifiziert, dass
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sie bei Null beginnen, während String-Schlüssel unverändert bleiben.
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</para>
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¬e.reset-index;
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>array</parameter></term>
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<listitem>
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<para>
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Das Eingabe-Array.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>values</parameter></term>
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<listitem>
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<para>
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Die einzufügenden Werte.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Gibt die neue Anzahl der in <parameter>array</parameter> enthaltenen Elemente
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zurück.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>7.3.0</entry>
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<entry>
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Diese Funktion kann nun mit nur einem Parameter aufgerufen werden. Zuvor
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waren mindestens zwei Parameter erforderlich.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>array_unshift</function>-Beispiel</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$queue = [
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"Orange",
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"Banane"
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];
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array_unshift($queue, "Apfel", "Himbeere");
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var_dump($queue);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen role="php">
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<![CDATA[
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array(4) {
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[0] =>
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string(5) "Apfel"
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[1] =>
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string(8) "Himbeere"
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[2] =>
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string(6) "Orange"
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[3] =>
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string(6) "Banane"
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}
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>Verwendung mit assoziativen Arrays</title>
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<para>
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Wenn ein assoziatives Array einem anderen assoziativen Array
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vorangestellt wird, wird das vorangestellte Array numerisch in das
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vorherige Array indiziert.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$lebensmittel = [
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'Äpfel' => [
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'McIntosh' => 'rot',
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'Granny Smith' => 'grün',
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],
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'Orangen' => [
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'Navel' => 'orange',
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'Valencia' => 'orange',
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],
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];
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$gemuese = [
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'Salat' => [
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'Eisberg' => 'grün',
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'Butterkopf' => 'grün',
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],
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'Möhren' => [
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'Dunkellila Hybrid' => 'lila',
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'Imperator' => 'orange',
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],
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'Gurken' => [
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'Kirby' => 'grün',
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'Gherkin' => 'grün',
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],
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];
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array_unshift($lebensmittel, $gemuese);
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var_dump($lebensmittel);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen role="php">
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<![CDATA[
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array(3) {
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[0]=>
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array(3) {
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["Salat"]=>
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array(2) {
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["Eisberg"]=>
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string(4) "grün"
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["Butterkopf"]=>
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string(4) "grün"
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}
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["Möhren"]=>
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array(2) {
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["Dunkellila Hybrid"]=>
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string(4) "lila"
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["Imperator"]=>
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string(6) "orange"
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}
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["Gurken"]=>
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array(2) {
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["Kirby"]=>
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string(4) "grün"
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["Gherkin"]=>
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string(4) "grün"
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}
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}
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["Äpfel"]=>
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array(2) {
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["McIntosh"]=>
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string(3) "rot"
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["Granny Smith"]=>
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string(4) "grün"
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}
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["Orangen"]=>
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array(2) {
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["Navel"]=>
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string(6) "orange"
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["Valencia"]=>
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string(6) "orange"
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}
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}
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>array_merge</function></member>
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<member><function>array_shift</function></member>
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<member><function>array_push</function></member>
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<member><function>array_pop</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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