php 8.2 fix: phase details

public_html/deployment/pages/act_phase.php

@@ -165,7 +165,7 @@ if ($sPhase) {
             // --- filecontent of template
             $ContentFile='<br>'.$sFile.'<br><br>'
                     .'<pre style="max-height:35em;">'
-                    . preg_replace('/(@replace\[.*\])/U', '<span class="replace">${1}</span>' , htmlentities(file_get_contents($sFile)))
+                    . preg_replace('/(@replace\[.*\])/U', '<span class="replace">$1</span>' , htmlentities(file_get_contents($sFile)))
                     .'</pre>';
 
             // --- output with tabs for a template file