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wp-content/plugins/generateblocks-pro/includes/blocks/form/class-form.php

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+<?php
+/**
+ * Form block.
+ *
+ * Authoring container that lives inside `gblocks_form` post content. Renders
+ * its inner form-field blocks with our standard wrapper class. Runtime
+ * action/method/security attributes are added by class-form-render.php while
+ * a saved form post is being rendered.
+ *
+ * @package GenerateBlocksPro
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Form block class.
+ */
+class GenerateBlocks_Block_Form extends GenerateBlocks_Block {
+
+	/**
+	 * Keep track of all blocks of this type on the page.
+	 *
+	 * @var array
+	 */
+	protected static $block_ids = [];
+
+	/**
+	 * Block name.
+	 *
+	 * @var string
+	 */
+	public static $block_name = 'generateblocks-pro/form';
+
+	/**
+	 * Render the Form block.
+	 *
+	 * @param array    $attributes    The block attributes.
+	 * @param string   $block_content The block content.
+	 * @param WP_Block $block         The block instance.
+	 * @return string The modified block content.
+	 */
+	public static function render_block( $attributes, $block_content, $block ) {
+		unset( $block );
+
+		$block_content = generateblocks_maybe_add_block_css(
+			$block_content,
+			[
+				'class_name' => __CLASS__,
+				'attributes' => $attributes,
+				'block_ids'  => self::$block_ids,
+			]
+		);
+
+		if ( class_exists( 'GenerateBlocks_Pro_Form_Render' ) ) {
+			return GenerateBlocks_Pro_Form_Render::prepare_form_block_output( $block_content );
+		}
+
+		return $block_content;
+	}
+}