Initial

modal-theme-part/gutenberg-modal.php

@@ -0,0 +1,29 @@
+<?php
+
+/* Prevent user from adding the modal being added to any templates */
+
+
+function restrict_modal_block_in_templates( $allowed_blocks, $post ) {
+    // Check if it's in the admin area (where users edit content)
+    if ( is_admin() && $post->post_type !== 'page' ) {
+        // Prevent the modal block from being added in any post or template
+        $allowed_blocks = array_diff( $allowed_blocks, ['your-theme/modal'] );
+    }
+
+    return $allowed_blocks;
+}
+add_filter( 'allowed_block_types', 'restrict_modal_block_in_templates', 10, 2 );
+
+/* Add the modal to the footer (or optionally use wp_head to add it to the header) */
+
+function add_modal_to_every_page() {
+    // Get the modal content from the theme part or reusable block
+    $modal_content = get_theme_part( 'modal' );  // Assuming get_theme_part is a custom function to fetch your modal content.
+
+    if ( $modal_content ) {
+        echo '<div class="custom-modal">';
+        echo $modal_content;
+        echo '</div>';
+    }
+}
+add_action( 'wp_footer', 'add_modal_to_every_page' );