diff --git a/dev-php/reactphp-promise/Manifest b/dev-php/reactphp-promise/Manifest
new file mode 100644
index 0000000000000..c11e1b0300916
--- /dev/null
+++ b/dev-php/reactphp-promise/Manifest
@@ -0,0 +1 @@
+DIST reactphp-promise-2.8.0.tar.gz 17178 BLAKE2B 43e5a9eef0f774ec4de7be44fbab300dfd78a23b21de2acbb39e44af49ee95b2532f66b711acc4ee152522d4725e1e29f9abae20d0ac2e18fba3dbb3f615cc5e SHA512 8c882c96b47cc53f791de964303014feb00a73594a510287ea352ff619a8432d88f4c094523d4de98234f985f7351cd244bb094484a257aa36357e85eb0ee62e
diff --git a/dev-php/reactphp-promise/metadata.xml b/dev-php/reactphp-promise/metadata.xml
new file mode 100644
index 0000000000000..3ea1553292f18
--- /dev/null
+++ b/dev-php/reactphp-promise/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>php-bugs@gentoo.org</email>
+		<name>PHP</name>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="github">reactphp/promise</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-php/reactphp-promise/reactphp-promise-2.8.0.ebuild b/dev-php/reactphp-promise/reactphp-promise-2.8.0.ebuild
new file mode 100644
index 0000000000000..df2600171222a
--- /dev/null
+++ b/dev-php/reactphp-promise/reactphp-promise-2.8.0.ebuild
@@ -0,0 +1,48 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+MY_PN="promise"
+
+DESCRIPTION="A lightweight implementation of CommonJS Promises/A for PHP"
+HOMEPAGE="https://reactphp.org/promise/"
+SRC_URI="https://github.com/reactphp/${MY_PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+BDEPEND="dev-php/theseer-Autoload"
+
+RDEPEND="dev-php/fedora-autoloader
+	>=dev-lang/php-7.2:*"
+
+S="${WORKDIR}/${MY_PN}-${PV}"
+
+src_prepare() {
+	default
+
+	phpab \
+		--output src/autoload.php \
+		--template fedora2 \
+		--basedir src \
+		src \
+		|| die
+
+cat >> src/autoload.php <<EOF || die "failed to extend autoload.php"
+
+// Dependencies
+\Fedora\Autoloader\Dependencies::required([
+	'/usr/share/php/React/Promise/functions.php'
+]);
+EOF
+}
+
+src_install() {
+	insinto /usr/share/php/React/Promise
+	doins -r src/*
+
+	einstalldocs
+}