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msd2/wordpress/wp-content/plugins/amp/back-compat/back-compat.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * Functions for managing legacy templates
+ *
+ * @package AMP
+ */
+
+/**
+ * Adds hooks to use legacy templates.
+ *
+ * If you want to use the template that shipped with v0.3 and earlier, you can use this to force that.
+ * Note that this may not stick around forever, so use caution and `function_exists`.
+ */
+function amp_backcompat_use_v03_templates() {
+	add_filter( 'amp_customizer_is_enabled', '__return_false' );
+	add_filter( 'amp_post_template_dir', '_amp_backcompat_use_v03_templates_callback', 0 ); // Early in case there are other overrides.
+}
+
+/**
+ * Callback for getting the legacy templates directory.
+ *
+ * @access private
+ *
+ * @param string $templates Template directory.
+ * @return string Legacy template directory.
+ */
+function _amp_backcompat_use_v03_templates_callback( $templates ) {
+	return AMP__DIR__ . '/back-compat/templates-v0-3';
+}