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[Forminator Pro] - Limit submission based on a field
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| <?php | |
| /** | |
| * Plugin Name: [Forminator Pro] Limit maximum submissions based on the amount of a number field | |
| * Description: Limit maximum submissions based on the amount of a number field. | |
| * Author: Prashant @ WPMUDEV | |
| * Task: SLS-6468 | |
| * Author URI: https://premium.wpmudev.org | |
| * License: GPLv2 or later | |
| */ | |
| if ( ! defined( 'ABSPATH' ) ) { | |
| exit; // Exit if accessed directly. | |
| } | |
| add_filter( | |
| 'forminator_custom_form_submit_errors', | |
| function ( $submit_errors, $form_id, $field_data_array ) { | |
| // Add your form IDs and field IDs here. | |
| $form_ids = array( 2960 => 'number-1', 2961 => 'number-2' ); | |
| $submitted_data = wp_list_pluck( $field_data_array, 'value', 'name' ); | |
| // Change this to the message that you want to show. | |
| $message = 'Registrations closed now.'; | |
| if ( in_array( intval( $form_id ), array_keys( $form_ids ), true ) ) { | |
| $reg_count = wpmudev_get_reg_count_number( $form_id, $form_ids[ $form_id ] ); | |
| if ( ! empty( $reg_count ) ) { | |
| $reg_count = $reg_count + $submitted_data[ $form_ids[ $form_id ] ]; | |
| if ( $reg_count >= 50 ) { // Limit to 50. | |
| $submit_errors[]['submit'] = $message; | |
| $GLOBALS['form_reg_error'] = true; | |
| } else { | |
| $GLOBALS['form_reg_error'] = false; | |
| } | |
| } | |
| } | |
| return $submit_errors; | |
| }, | |
| 15, | |
| 3 | |
| ); | |
| function wpmudev_get_reg_count_number( $form_id, $count_field ) { | |
| global $wpdb; | |
| $table_name = Forminator_Database_Tables::get_table_name( Forminator_Database_Tables::FORM_ENTRY_META ); | |
| $entry_table_name = Forminator_Database_Tables::get_table_name( Forminator_Database_Tables::FORM_ENTRY ); | |
| $sql = "SELECT sum(m.meta_value) FROM {$table_name} m LEFT JOIN {$entry_table_name} e ON(e.entry_id = m.entry_id) WHERE e.form_id = %d AND m.meta_key = %s"; | |
| $entry_count = $wpdb->get_var( $wpdb->prepare( $sql, $form_id, $count_field ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared | |
| if ( $entry_count ) { | |
| return $entry_count; | |
| } | |
| return false; | |
| } | |
| add_filter( 'forminator_custom_form_invalid_form_message', 'wpmudev_reg_count_number_msg', 10, 2 ); | |
| function wpmudev_reg_count_number_msg( $invalid_form_message, $form_id ) { | |
| $form_ids = array( 2960, 2961 ); // Please change the form IDs. | |
| if ( ! in_array( intval( $form_id ), $form_ids, true ) ) { | |
| return $invalid_form_message; | |
| } | |
| if ( $GLOBALS['form_reg_error'] ) { | |
| $invalid_form_message = __( 'Registrations closed now.', 'forminator' ); | |
| } | |
| return $invalid_form_message; | |
| } |
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