diff --git a/pillar/webserver/sites.sls b/pillar/webserver/sites.sls
--- a/pillar/webserver/sites.sls
+++ b/pillar/webserver/sites.sls
@@ -58,6 +58,12 @@
 #   Username must be unique and use max 31 characters.
 #   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
+php_custom_builds:
+  php56:
+    mode: release
+    version: 5.6.38
+    hash: d65b231bbdd63be4439ef5ced965cfd63e62983429dbd4dfcfb49981593ebc03
+
 php_fpm_instances:
   # PHP 7.2, generally installed as package/port
   prod:
diff --git a/roles/webserver-legacy/php-builder/init.sls b/roles/webserver-legacy/php-builder/init.sls
new file mode 100644
--- /dev/null
+++ b/roles/webserver-legacy/php-builder/init.sls
@@ -0,0 +1,10 @@
+#   -------------------------------------------------------------
+#   Salt — Compile custom PHP builds
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#   Project:        Nasqueron
+#   Created:        2018-10-16
+#   License:        Trivial work, not eligible to copyright
+#   -------------------------------------------------------------
+
+include:
+  - .source
diff --git a/roles/webserver-legacy/php-builder/source.sls b/roles/webserver-legacy/php-builder/source.sls
new file mode 100644
--- /dev/null
+++ b/roles/webserver-legacy/php-builder/source.sls
@@ -0,0 +1,37 @@
+#   -------------------------------------------------------------
+#   Salt — Compile custom PHP builds
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#   Project:        Nasqueron
+#   Created:        2018-10-16
+#   License:        Trivial work, not eligible to copyright
+#   -------------------------------------------------------------
+
+{% set php_release_versions = [(build['version'], build['hash'])
+                               for build in pillar["php_custom_builds"].values()
+                               if build["mode"] == "release"] %}
+
+#   -------------------------------------------------------------
+#   Root directory
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+/opt/php:
+  file.directory:
+    - user: builder
+
+#   -------------------------------------------------------------
+#   Source code
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+/opt/php/archives:
+  file.directory:
+    - user: builder
+
+{% for version, hash in set(php_release_versions) %}
+
+/opt/php/archives/php-{{ version }}.tar.bz:
+  file.managed:
+    - source: http://fr2.php.net/get/php-{{ version }}.tar.bz2/from/this/mirror
+    - source_hash: {{ hash }}
+    - user: builder
+
+{% endfor %}