first commit

wp/wp-content/plugins/imagify/inc/3rd-party/amp/amp.php

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+<?php
+defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
+
+/**
+ * Compatibility with AMP plugin from WordPress.com VIP.
+ */
+if ( function_exists( 'is_amp_endpoint' ) ) :
+
+	add_filter( 'imagify_allow_picture_tags_for_webp', 'imagify_amp_disable_picture_on_endpoint' );
+	/**
+	 * Do not use <picture> tags in AMP pages.
+	 *
+	 * @since  1.9
+	 * @author Grégory Viguier
+	 *
+	 * @param  bool $allow True to allow the use of <picture> tags (default). False to prevent their use.
+	 * @return bool
+	 */
+	function imagify_amp_disable_picture_on_endpoint( $allow ) {
+		return $allow && ! is_amp_endpoint();
+	};
+
+endif;