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153 lines
3.8 KiB
XML
153 lines
3.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 2e60c5134e7a847c99f81eb3f7ecee1f5efeeace Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: mowangjuanzi, Luffy -->
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<refentry xml:id="function.array-combine" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_combine</refname>
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<refpurpose>创建一个数组，用一个数组的值作为其键名，另一个数组的值作为其值</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>array</type><methodname>array_combine</methodname>
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<methodparam><type>array</type><parameter>keys</parameter></methodparam>
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<methodparam><type>array</type><parameter>values</parameter></methodparam>
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</methodsynopsis>
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<para>
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返回 <type>array</type>，用来自
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<parameter>keys</parameter> 数组的值作为键名，来自
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<parameter>values</parameter> 数组的值作为相应的值。
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</para>
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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>keys</parameter></term>
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<listitem>
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<para>
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将被作为新数组的键。非法的值将会被转换为字符串类型（<type>string</type>）。
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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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将被作为 <type>Array</type> 的值。
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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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返回合并后的 <type>array</type>。
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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自 PHP 8.0.0 起，如果 <parameter>keys</parameter> 和 <parameter>values</parameter> 的元素数量不同，将会抛出
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<classname>ValueError</classname>。在 PHP 8.0.0 之前，会引发 <constant>E_WARNING</constant>。
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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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<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>8.0.0</entry>
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<entry>
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如果每个数组的元素数量不相等，现在 <function>array_combine</function> 将会抛出 <classname>ValueError</classname>，之前此方法返回 &false;。
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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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</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_combine</function> 简单的示例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$a = array('green', 'red', 'yellow');
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$b = array('avocado', 'apple', 'banana');
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$c = array_combine($a, $b);
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print_r($c);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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Array
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(
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[green] => avocado
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[red] => apple
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[yellow] => banana
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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_walk</function></member>
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<member><function>array_values</function></member>
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<member><function>array_map</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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