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156 lines
3.8 KiB
XML
156 lines
3.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 5cc10e8d90a9d0cbb35779b60580e772e7d660a1 Maintainer: daijie Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xml:id="function.array-replace" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>array_replace</refname>
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<refpurpose>使用传递的数组替换第一个数组的元素</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_replace</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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<methodparam rep="repeat"><type>array</type><parameter>replacements</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_replace</function> 创建新数组，并为提供的数组中的每个 key
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都分配元素。如果某个 key 出现在多个输入数组中，则将使用最右侧输入数组中的值。
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</para>
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<para>
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<function>array_replace</function> 不会递归处理元素项，它在替换时会替换每个 key 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>array</parameter></term>
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<listitem>
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<para>
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替换该数组的值。
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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>replacements</parameter></term>
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<listitem>
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<para>
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包含要提取元素的数组。
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后面的数组里的值会覆盖前面的值。
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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 <type>array</type>。
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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_replace</function> 示例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$base = array("orange", "banana", "apple", "raspberry");
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$replacements = array(0 => "pineapple", 4 => "cherry");
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$replacements2 = array(0 => "grape");
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$basket = array_replace($base, $replacements, $replacements2);
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var_dump($basket);
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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(5) {
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[0]=>
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string(5) "grape"
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[1]=>
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string(6) "banana"
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[2]=>
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string(5) "apple"
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[3]=>
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string(9) "raspberry"
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[4]=>
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string(6) "cherry"
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}
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]]>
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</screen>
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</example>
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<example>
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<title>嵌套数组的处理方式示例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$base = [ 'citrus' => [ 'orange', 'lemon' ], 'pome' => [ 'apple' ] ];
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$replacements = [ 'citrus' => [ 'grapefruit' ] ];
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$replacements2 = [ 'citrus' => [ 'kumquat', 'citron' ], 'pome' => [ 'loquat' ] ];
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$basket = array_replace($base, $replacements, $replacements2);
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var_dump($basket);
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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(2) {
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["citrus"]=>
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array(2) {
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[0]=>
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string(7) "kumquat"
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[1]=>
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string(6) "citron"
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}
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["pome"]=>
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array(1) {
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[0]=>
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string(6) "loquat"
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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_replace_recursive</function></member>
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<member><function>array_merge</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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