Draft Resume Change Notice
Use this snippet to display a notice when the user resumes draft from a different location, browser or device.
Instructions
See “Where do I put snippets?” in our documentation for installation instructions.
Code
Filename: gw-draft-resume-change-notice.php
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<?php
/**
* Gravity Wiz // Gravity Forms // Draft Resume Change Notice
* https://gravitywiz.com/
*
* Use this snippet to display a notice when the user resumes draft from a different location, browser or device.
*/
add_filter( 'gform_get_form_filter', function( $form_markup, $form ) {
if ( empty( $_GET['gf_token'] ) ) {
return $form_markup;
}
$token = sanitize_text_field( wp_unslash( $_GET['gf_token'] ) );
global $wpdb;
$table = GFFormsModel::get_draft_submissions_table_name();
$draft = $wpdb->get_row(
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber
$wpdb->prepare(
sprintf(
'SELECT form_id, ip, submission FROM `%s` WHERE uuid = %%s',
esc_sql( $table )
),
$token
)
);
if ( ! $draft ) {
return $form_markup;
}
if ( (int) $form['id'] !== (int) $draft->form_id ) {
return $form_markup;
}
$submission_data = json_decode( $draft->submission, true );
$submission_data = is_array( $submission_data ) ? $submission_data : array();
$stored_user_agent = $submission_data['partial_entry']['user_agent'] ?? '';
$current_user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$stored_ip = $draft->ip ?? '';
$current_ip = GFFormsModel::get_ip();
$ip_changed = ( $stored_ip && $current_ip && $stored_ip !== $current_ip );
$browser_changed = ( $stored_user_agent && $current_user_agent && $stored_user_agent !== $current_user_agent );
if ( ! $ip_changed && ! $browser_changed ) {
return $form_markup;
}
// Configure Messages
$ip_changed_message = '🌍 Your location has changed since last editing this draft';
$browser_changed_message = '💻 Your browser or device has changed since last editing this draft';
$both_changed_message = '🔒 Your location AND device have both changed since last editing this draft';
$message = $both_changed_message;
if ( $ip_changed && ! $browser_changed ) {
$message = $ip_changed_message;
} elseif ( $browser_changed && ! $ip_changed ) {
$message = $browser_changed_message;
}
$warning = '<div style="background:#fff3cd;border:1px solid #ffc107;padding:15px;margin-bottom:15px;">';
$warning .= '<strong style="color:#856404;">' . esc_html( $message ) . '</strong>';
$warning .= '</div>';
return $warning . $form_markup;
}, 10, 2 );