gw-disable-form-submission.php: Added snippet that disables submission entirely for specified forms. Useful for calculation forms and AI.

Author: claygriffiths

gravity-forms/gw-disable-form-submission.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * Gravity Wiz // Gravity Forms // Disable Form Submission
+ * https://gravitywiz.com
+ *
+ * Disables form submission entirely for specified forms. Useful for forms that act as calculators
+ * (e.g. with GP Advanced Calculations) or forms that contain GC OpenAI Stream/Image fields.
+ *
+ * Instructions:
+ *
+ * 1. Install this code as a plugin or as a snippet (https://gravitywiz.com/documentation/how-do-i-install-a-snippet/)
+ * 2. Specify the form IDs you would like to disable form submission at the bottom of this snippet.
+ *
+ * Plugin Name:  Gravity Forms - Disable Form Submission
+ * Plugin URI:   http://gravitywiz.com/
+ * Description:  Disables form submission entirely for specified forms.
+ * Author:       Gravity Wiz
+ * Version:      0.1
+ * Author URI:   http://gravitywiz.com
+ */
+class GW_Disable_Form_Submission {
+
+	private $_args = array();
+
+	/**
+	 * @param $args array{
+	 *     form_ids: int[]
+	 * } The arguments to initialize GW_Disable_Form_Submission.
+	 */
+	public function __construct( $args = array() ) {
+		$this->_args = wp_parse_args( $args, array(
+			'form_ids'  => array(),
+		) );
+
+		add_action( 'init', array( $this, 'init' ) );
+	}
+
+	public function init() {
+		add_filter( 'gform_validation', array( $this, 'disable_form_submission' ) );
+		add_filter( 'gform_submit_button', array( $this, 'remove_submit_button' ), 10, 2 );
+	}
+
+	public function disable_form_submission( $validation_result ) {
+		if ( ! $this->is_applicable_form( $validation_result['form'] ) ) {
+			return $validation_result;
+		}
+
+		$validation_result['is_valid'] = false;
+
+		return $validation_result;
+	}
+
+	public function remove_submit_button( $button, $form ) {
+		if ( ! $this->is_applicable_form( $form ) ) {
+			return $button;
+		}
+
+		return '';
+	}
+
+	public function is_applicable_form( $form ) {
+		$form_id = isset( $form['id'] ) ? $form['id'] : $form;
+
+		return in_array( $form_id, $this->_args['form_ids'], false );
+	}
+}
+
+# Configuration
+
+new GW_Disable_Form_Submission(array(
+	// replace with form IDs you would like to disable form submission for
+	'form_ids' => array(
+		6,
+	)
+));