diff --git a/reference/intl/locale/isrighttoleft.xml b/reference/intl/locale/isrighttoleft.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision$ -->
+<refentry xml:id="locale.isrighttoleft"
+          xmlns="http://docbook.org/ns/docbook"
+          xmlns:xlink="http://www.w3.org/1999/xlink">
+
+ <refnamediv>
+  <refname>Locale::isRightToLeft</refname>
+  <refpurpose>Check whether a locale uses a right-to-left writing system</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+
+  <para>
+   &style.oop;
+  </para>
+
+  <methodsynopsis role="Locale">
+   <modifier>public</modifier>
+   <modifier>static</modifier>
+   <type>bool</type>
+   <methodname>Locale::isRightToLeft</methodname>
+   <methodparam choice="opt">
+    <type>string</type><parameter>locale</parameter>
+    <initializer>""</initializer>
+   </methodparam>
+  </methodsynopsis>
+
+  <para>
+   Determines whether a locale uses a right-to-left writing system.
+  </para>
+
+  <para>
+   This method relies on the ICU library and evaluates the dominant script
+   associated with the locale.
+  </para>
+
+  <para>
+   If an empty string is provided, the default locale is used.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>locale</parameter></term>
+     <listitem>
+      <para>
+       The locale identifier. If empty, the default locale is used.
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   Returns <constant>true</constant> if the locale uses a right-to-left
+   writing system, or <constant>false</constant> otherwise.
+  </para>
+ </refsect1>
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>PHP 8.5.0</entry>
+      <entry>
+       Added <methodname>Locale::isRightToLeft</methodname>.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <example>
+   <title>Checking text direction for a locale</title>
+   <programlisting><![CDATA[
+var_dump(Locale::isRightToLeft('en-US')); // bool(false)
+var_dump(Locale::isRightToLeft('ar'));    // bool(true)
+]]></programlisting>
+  </example>
+ </refsect1>
+
+</refentry>