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 +1,80 @@
+#!py
+
+#   -------------------------------------------------------------
+#   Salt — Compile custom PHP builds
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#   Project:        Nasqueron
+#   Created:        2018-10-16
+#   License:        Trivial work, not eligible to copyright
+#   -------------------------------------------------------------
+
+#   -------------------------------------------------------------
+#   Builds and versions helper methods
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+
+def get_release_builds():
+    return {name: build
+            for (name, build) in __pillar__["php_custom_builds"].items()
+            if build["mode"] == "release"}
+
+
+def get_release_versions():
+    versions = [(build['version'], build['hash'])
+                for build in get_release_builds().values()]
+
+    return set(versions)
+
+
+def get_archive_path(version):
+    return "/opt/php/archives/php-" + version + ".tar.bz2"
+
+
+def get_build_directories():
+    return ["/opt/php/" + build for build in __pillar__["php_custom_builds"]]
+
+
+def get_extract_archive_command(archive, directory):
+    return "tar xjf " + archive + " --strip-components=1 -C " + directory
+
+
+#   -------------------------------------------------------------
+#   Configuration provider
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+
+def run():
+    config = {}
+
+    builder_user = 'builder'
+    directories_to_create = ['/opt/php', '/opt/php/archives']
+
+    # Task: create directories
+    directories_to_create.extend(get_build_directories())
+    for directory in directories_to_create:
+        config[directory] = {'file.directory': [{'user': builder_user}]}
+
+    # Task: fetch archives
+    for version, archive_hash in get_release_versions():
+        archive = get_archive_path(version)
+        url = "http://fr2.php.net/get/php-" + version + ".tar.bz2/from/this/mirror"
+
+        config[archive] = {'file.managed': [
+            {'source': url},
+            {'source_hash': archive_hash},
+            {'user': builder_user},
+        ]}
+
+    # Task: extract archives to build directories
+    for build_name, build in get_release_builds().items():
+        archive = get_archive_path(build['version'])
+        directory = "/opt/php/" + build_name
+        command = get_extract_archive_command(archive, directory)
+
+        config["php_build_" + build_name] = {'cmd.run' : [
+            {'name': command},
+            {'user': builder_user},
+            {'creates': directory + "/configure.in"},
+        ]}
+
+    return config