Add PHPverse 2025 announcement (#1271)

Co-authored-by: Sergey Panteleev <sergey@php.net>

archive/archive.xml

@@ -9,6 +9,7 @@
     <uri>http://php.net/contact</uri>
     <email>php-webmaster@lists.php.net</email>
   </author>
+  <xi:include href="entries/2025-06-04-1.xml"/>
   <xi:include href="entries/2025-05-12-1.xml"/>
   <xi:include href="entries/2025-05-08-2.xml"/>
   <xi:include href="entries/2025-05-08-1.xml"/>

archive/entries/2025-06-04-1.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<entry xmlns="http://www.w3.org/2005/Atom" xmlns:default="http://php.net/ns/news">
+  <title>PHPverse 2025</title>
+  <id>https://www.php.net/archive/2025.php#2025-06-04-1</id>
+  <published>2025-06-04T10:18:07+00:00</published>
+  <updated>2025-06-04T10:18:07+00:00</updated>
+  <link href="https://www.php.net/conferences/index.php#2025-06-04-1" rel="alternate" type="text/html"/>
+  <link href="https://jb.gg/3jlz9v" rel="via" type="text/html"/>
+  <default:finalTeaserDate xmlns="http://php.net/ns/news">2025-06-17</default:finalTeaserDate>
+  <category term="conferences" label="Conference announcement"/>
+  <default:newsImage xmlns="http://php.net/ns/news" link="https://jb.gg/3jlz9v" title="PHPverse 2025">phpverse_2025.png</default:newsImage>
+  <content type="xhtml">
+    <div xmlns="http://www.w3.org/1999/xhtml">
+      <p><strong>Celebrate 30 Years of PHP at PHPverse!</strong></p>
+      <p>
+        PHP turns 30 this year, and the community is coming together to celebrate. PHPverse is a global online event organized by JetBrains, featuring talks, stories, and demos from prominent community leaders.
+      </p>
+      <p>
+        Whether you’ve been writing PHP for decades or just joined the party, you’re invited!
+      </p>
+      <p>
+        📅 <strong>June 17, 2025</strong> <br/>
+        📍 <strong><a href="https://jb.gg/3jlz9v">Online</a></strong> – free and open to everyone <br/>
+      </p>
+      <p>
+        <strong><a href="https://jb.gg/3jlz9v">Join PHPverse</a></strong> and be part of the celebration!
+      </p>
+    </div>
+  </content>
+</entry>