Intl: Add a new IntlNumberRangeFormatter class

Dockerfile

@@ -0,0 +1,39 @@
+FROM debian:bullseye
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    wget \
+    tar \
+    pkg-config \
+    libtool \
+    automake \
+    autoconf \
+    unzip \
+    bison \
+    re2c \
+    libxml2-dev \
+    libsqlite3-dev \
+    libonig-dev \
+    libzip-dev \
+    g++ \
+    locales \
+    libiconv-hook-dev || true \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN apt-get install -y pkg-config build-essential autoconf bison re2c libxml2-dev libsqlite3-dev
+
+WORKDIR /tmp
+RUN wget https://github.com/unicode-org/icu/releases/download/release-62-2/icu4c-62_2-src.tgz && \
+    tar -xzf icu4c-62_2-src.tgz && \
+    cd icu/source && \
+    ./configure --prefix=/usr/local && \
+    make -j$(nproc) && \
+    make install && \
+    ldconfig
+
+WORKDIR /app
+COPY . /app
+RUN ./buildconf --force
+RUN ./configure --enable-debug --enable-intl CFLAGS="-g -O0"
+RUN make -j4

ext/intl/config.m4

@@ -60,6 +60,7 @@ if test "$PHP_INTL" != "no"; then
     dateformat/datepatterngenerator_class.cpp \
     dateformat/datepatterngenerator_methods.cpp \
     msgformat/msgformat_helpers.cpp \
+    rangeformatter/rangeformatter_class.cpp \
     timezone/timezone_class.cpp \
     timezone/timezone_methods.cpp \
     calendar/calendar_class.cpp \
@@ -123,6 +124,7 @@ if test "$PHP_INTL" != "no"; then
     $ext_builddir/listformatter
     $ext_builddir/msgformat
     $ext_builddir/normalizer
+    $ext_builddir/rangeformatter
     $ext_builddir/resourcebundle
     $ext_builddir/spoofchecker
     $ext_builddir/timezone

ext/intl/config.w32

@@ -63,6 +63,9 @@ if (PHP_INTL != "no") {
 				normalizer_class.cpp \
 				normalizer_normalize.cpp \
 				", "intl");
+		ADD_SOURCES(configure_module_dirname + "/rangeformatter", "\
+				rangeformatter_class.cpp \
+				", "intl");
 		ADD_SOURCES(configure_module_dirname + "/dateformat", "\
 				dateformat.c \
 				dateformat_class.c \

ext/intl/php_intl.c

@@ -42,6 +42,7 @@
 #include "locale/locale_class.h"
 
 #include "listformatter/listformatter_class.h"
+#include "rangeformatter/rangeformatter_class.h"
 
 #include "dateformat/dateformat.h"
 #include "dateformat/dateformat_class.h"
@@ -175,6 +176,9 @@ PHP_MINIT_FUNCTION( intl )
 	/* Register 'ListFormatter' PHP class */
 	listformatter_register_class(  );
 
+	/* Register 'NumberRangeFormatter' PHP class */
+	rangeformatter_register_class( );
+
 	/* Register 'Normalizer' PHP class */
 	normalizer_register_Normalizer_class(  );
 

ext/intl/rangeformatter/rangeformatter.stub.php

@@ -0,0 +1,61 @@
+<?php
+
+/** @generate-class-entries */
+
+/**
+ * @not-serializable
+ * @strict-properties
+ */
+final class IntlNumberRangeFormatter {
+#if U_ICU_VERSION_MAJOR_NUM >= 63
+    /** @cvalue UNUM_RANGE_COLLAPSE_AUTO */
+    public const int COLLAPSE_AUTO = UNKNOWN;
+
+    /** @cvalue UNUM_RANGE_COLLAPSE_NONE */
+    public const int COLLAPSE_NONE = UNKNOWN;
+
+    /** @cvalue UNUM_RANGE_COLLAPSE_UNIT */
+    public const int COLLAPSE_UNIT = UNKNOWN;
+
+    /** @cvalue UNUM_RANGE_COLLAPSE_ALL */
+    public const int COLLAPSE_ALL = UNKNOWN;
+
+    /** @cvalue UNUM_IDENTITY_FALLBACK_SINGLE_VALUE */
+    public const int IDENTITY_FALLBACK_SINGLE_VALUE = UNKNOWN;
+
+    /** @cvalue UNUM_IDENTITY_FALLBACK_APPROXIMATELY_OR_SINGLE_VALUE */
+    public const int IDENTITY_FALLBACK_APPROXIMATELY_OR_SINGLE_VALUE = UNKNOWN;
+
+    /** @cvalue UNUM_IDENTITY_FALLBACK_APPROXIMATELY */
+    public const int IDENTITY_FALLBACK_APPROXIMATELY = UNKNOWN;
+
+    /** @cvalue UNUM_IDENTITY_FALLBACK_RANGE */
+    public const int IDENTITY_FALLBACK_RANGE = UNKNOWN;
+#else
+    public const int COLLAPSE_AUTO = 0;
+
+    public const int COLLAPSE_NONE = 1;
+
+    public const int COLLAPSE_UNIT = 2;
+
+    public const int COLLAPSE_ALL = 3;
+
+    public const int IDENTITY_FALLBACK_SINGLE_VALUE = 0;
+
+    public const int IDENTITY_FALLBACK_APPROXIMATELY_OR_SINGLE_VALUE = 1;
+
+    public const int IDENTITY_FALLBACK_APPROXIMATELY = 2;
+
+    public const int IDENTITY_FALLBACK_RANGE = 3;
+#endif
+
+    private function __construct() {}
+
+    public static function createFromSkeleton(string $skeleton, string $locale, int $collapse, int $identityFallback): IntlNumberRangeFormatter {}
+
+    public function format(float|int $start, float|int $end): string {}
+
+    public function getErrorCode(): int {}
+
+    public function getErrorMessage(): string {}
+}