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Nov 24, 2025
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Improve $_POST definition #1000

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17 changes: 14 additions & 3 deletions language/predefined/variables/post.xml
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Original file line number Diff line number Diff line change
@@ -1,11 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: a6d209f4ff71ccba3f1255902827f5df3e092ff9 Maintainer: daijie Status: ready -->
<!-- EN-Revision: f56de7ebe7a1a85ce9e44a2bf6b77b07adfe3ae4 Maintainer: daijie Status: ready -->
<!-- CREDITS: Luffy -->

<refentry role="variable" xml:id="reserved.variables.post" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" annotations="verify_info:false">
<refnamediv>
<refname>$_POST</refname>
<refpurpose>HTTP POST 变量</refpurpose>
<refpurpose>来自 HTTP POST 请求的表单数据</refpurpose>
</refnamediv>

<refsect1 role="description">
Expand All @@ -28,7 +29,7 @@ echo 'Hello ' . htmlspecialchars($_POST["name"]) . '!';
]]>
</programlisting>
<simpara>
假设用户通过 HTTP POST 方式传递了参数 name=Hannes
假设用户发送了一个包含 <literal>name=Hannes</literal> 的 POST 请求体。
</simpara>
&example.outputs.similar;
<screen>
Expand All @@ -43,6 +44,16 @@ Hello Hannes!
<refsect1 role="notes">
&reftitle.notes;
&note.is-superglobal;
<note>
<simpara>
读取与其他内容类型一起发送的 POST 数据（例如
<literal>application/json</literal> 或 <literal>application/xml</literal>）
必须使用 <link linkend="wrappers.php.input"><filename>php://input</filename></link>。
与仅适用于 <literal>application/x-www-form-urlencoded</literal> 和
<literal>multipart/form-data</literal> 的 <varname>$_POST</varname> 不同，
<filename>php://input</filename> 提供对请求正文中原始数据的直接访问。
</simpara>
</note>
</refsect1>

<refsect1 role="seealso">
Expand Down
24 changes: 23 additions & 1 deletion language/wrappers/php.xml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 0592e6316d3869b49637df29c471097e7bf78592 Maintainer: daijie Status: ready -->
<!-- EN-Revision: f56de7ebe7a1a85ce9e44a2bf6b77b07adfe3ae4 Maintainer: daijie Status: ready -->
<!-- CREDITS: Luffy, mowangjuanzi -->
<refentry xml:id="wrappers.php" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" annotations="verify_info:false" role="stream_wrapper">
<refnamediv>
Expand Down Expand Up @@ -335,6 +335,28 @@ file_put_contents("php://filter/write=string.rot13/resource=example.txt","Hello
<?php
file_put_contents('php://memory', 'PHP');
echo file_get_contents('php://memory'); // 啥也没有
]]>
</programlisting>
</example>
<example>
<title>php://input 从请求体中读取 JSON 数据</title>
<para>
此例演示了如何使用 <filename>php://input</filename>
读取 POST、PUT 和 PATCH 请求中的原始 JSON 数据。
</para>
<programlisting role="php">
<![CDATA[
<?php
$input = file_get_contents("php://input");
$json_array = json_decode(
json: $input,
associative: true,
flags: JSON_THROW_ON_ERROR
);
echo "Received JSON data: ";
print_r($json_array);
?>
]]>
</programlisting>
</example>
Expand Down