Initial commit to github

views/blocks/page-children/block.json

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+{
+  "name": "acf/page-children",
+  "title": "Page Children",
+  "description": "Block to display children of curent page.",
+  "style": [
+    "file:./page-children.css"
+  ],
+  "category": "vdi-block",
+  "icon": "block-default",
+  "keywords": [
+    "page-children"
+  ],
+  "acf": {
+    "mode": "preview",
+    "renderTemplate": "page-children.php"
+  },
+  "supports": {
+    "align": false,
+    "anchor": false,
+    "color": false,
+    "html": false,
+    "jsx": false,
+    "mode": false,
+    "multiple": false
+  }
+}

views/blocks/page-children/page-children.php

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+<?php
+/**
+ * Page Children block
+ *
+ * @package BasicWP
+ */
+
+namespace BasicWP;
+
+// Retrieve the current page ID and its children
+$currentPageId       = get_the_ID();
+$currentPageChildren = get_pages( array( 'child_of' => $currentPageId ) );
+
+// Set classes
+$classes = 'page-children';
+
+// Set wrapper attributes
+if ( ! $is_preview ) {
+	$wrapper = get_block_wrapper_attributes( array( 'class' => $classes ) );
+} else {
+	$wrapper = 'class="' . $classes . '"';
+}
+?>
+
+<?php if ( ! empty( $currentPageChildren ) ) : ?>
+	<section id="page-children" <?php echo wp_kses_post( $wrapper ); ?>>
+	<ul>
+		<?php foreach ( $currentPageChildren as $child ) : ?>
+		<li class="page-child">
+			<a href="<?php echo esc_url( get_permalink( $child->ID ) ); ?>">
+			<?php echo esc_html( $child->post_title ); ?>
+			</a>
+		</li>
+		<?php endforeach; ?>
+	</ul>
+	</section>
+<?php endif; ?>