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<?php if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly } if ( ! class_exists( 'acf_form_front' ) ) : #[AllowDynamicProperties] class acf_form_front { /** @var array An array of registered form settings */ private $forms = array(); /** @var array An array of default fields */ public $fields = array(); /** * This function will setup the class functionality * * @type function * @date 5/03/2014 * @since 5.0.0 * * @param n/a * @return n/a */ function __construct() { // vars $this->fields = array( '_post_title' => array( 'prefix' => 'acf', 'name' => '_post_title', 'key' => '_post_title', 'label' => __( 'Title', 'acf' ), 'type' => 'text', 'required' => true, ), '_post_content' => array( 'prefix' => 'acf', 'name' => '_post_content', 'key' => '_post_content', 'label' => __( 'Content', 'acf' ), 'type' => 'wysiwyg', ), '_validate_email' => array( 'prefix' => 'acf', 'name' => '_validate_email', 'key' => '_validate_email', 'label' => __( 'Validate Email', 'acf' ), 'type' => 'text', 'value' => '', 'wrapper' => array( 'style' => 'display:none !important;' ), ), ); // actions add_action( 'acf/validate_save_post', array( $this, 'validate_save_post' ), 1 ); // filters add_filter( 'acf/pre_save_post', array( $this, 'pre_save_post' ), 5, 2 ); } /** * description * * @type function * @date 28/2/17 * @since 5.5.8 * * @param $post_id (int) * @return $post_id (int) */ function validate_form( $args ) { // defaults // Todo: Allow message and button text to be generated by CPT settings. $args = wp_parse_args( $args, array( 'id' => 'acf-form', 'post_id' => false, 'new_post' => false, 'field_groups' => false, 'fields' => false, 'post_title' => false, 'post_content' => false, 'form' => true, 'form_attributes' => array(), 'return' => add_query_arg( 'updated', 'true', acf_get_current_url() ), 'html_before_fields' => '', 'html_after_fields' => '', 'submit_value' => __( 'Update', 'acf' ), 'updated_message' => __( 'Post updated', 'acf' ), 'label_placement' => 'top', 'instruction_placement' => 'label', 'field_el' => 'div', 'uploader' => 'wp', 'honeypot' => true, 'html_updated_message' => '<div id="message" class="updated"><p>%s</p></div>', // 5.5.10 'html_submit_button' => '<input type="submit" class="acf-button button button-primary button-large" value="%s" />', // 5.5.10 'html_submit_spinner' => '<span class="acf-spinner"></span>', // 5.5.10 'kses' => true, // 5.6.5 ) ); $args['form_attributes'] = wp_parse_args( $args['form_attributes'], array( 'id' => $args['id'], 'class' => 'acf-form', 'action' => '', 'method' => 'post', ) ); // filter post_id $args['post_id'] = acf_get_valid_post_id( $args['post_id'] ); // new post? if ( $args['post_id'] === 'new_post' ) { $args['new_post'] = wp_parse_args( $args['new_post'], array( 'post_type' => 'post', 'post_status' => 'draft', ) ); } // filter $args = apply_filters( 'acf/validate_form', $args ); // return return $args; } /** * description * * @type function * @date 28/2/17 * @since 5.5.8 * * @param $post_id (int) * @return $post_id (int) */ function add_form( $args = array() ) { // validate $args = $this->validate_form( $args ); // append $this->forms[ $args['id'] ] = $args; } /** * description * * @type function * @date 28/2/17 * @since 5.5.8 * * @param $post_id (int) * @return $post_id (int) */ function get_form( $id = '' ) { // bail early if not set if ( ! isset( $this->forms[ $id ] ) ) { return false; } // return return $this->forms[ $id ]; } function get_forms() { return $this->forms; } /** * This function will validate fields from the above array * * @type function * @date 7/09/2016 * @since 5.4.0 * * @param $post_id (int) * @return $post_id (int) */ function validate_save_post() { // register field if isset in $_POST foreach ( $this->fields as $k => $field ) { // bail early if no in $_POST if ( ! isset( $_POST['acf'][ $k ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Verified elsewhere. continue; } // register acf_add_local_field( $field ); } // honeypot if ( ! empty( $_POST['acf']['_validate_email'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Data not used; presence indicates spam. acf_add_validation_error( '', __( 'Spam Detected', 'acf' ) ); } } /** * description * * @type function * @date 7/09/2016 * @since 5.4.0 * * @param $post_id (int) * @return $post_id (int) */ function pre_save_post( $post_id, $form ) { // vars $save = array( 'ID' => 0, ); // determine save data if ( is_numeric( $post_id ) ) { // update post $save['ID'] = $post_id; } elseif ( $post_id == 'new_post' ) { // merge in new post data $save = array_merge( $save, $form['new_post'] ); } else { // not post return $post_id; } // phpcs:disable WordPress.Security.NonceVerification.Missing -- Verified in check_submit_form(). // save post_title if ( isset( $_POST['acf']['_post_title'] ) ) { $save['post_title'] = acf_extract_var( $_POST['acf'], '_post_title' ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized by WP when saved. } // save post_content if ( isset( $_POST['acf']['_post_content'] ) ) { $save['post_content'] = acf_extract_var( $_POST['acf'], '_post_content' ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized by WP when saved. } // phpcs:enable WordPress.Security.NonceVerification.Missing // honeypot if ( ! empty( $_POST['acf']['_validate_email'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Data not used; presence indicates spam. return false; } // validate if ( count( $save ) == 1 ) { return $post_id; } // save if ( $save['ID'] ) { wp_update_post( $save ); } else { $post_id = wp_insert_post( $save ); } // return return $post_id; } /** * This function will enqueue a form * * @type function * @date 7/09/2016 * @since 5.4.0 * * @param $post_id (int) * @return $post_id (int) */ function enqueue_form() { // check $this->check_submit_form(); // load acf scripts acf_enqueue_scripts(); } /** * This function will maybe submit form data * * @type function * @date 3/3/17 * @since 5.5.10 * * @param n/a * @return n/a */ function check_submit_form() { // Verify nonce. if ( ! acf_verify_nonce( 'acf_form' ) ) { return false; } // Confirm form was submit. if ( ! isset( $_POST['_acf_form'] ) ) { return false; } // Load registered form using id. $form = $this->get_form( acf_sanitize_request_args( $_POST['_acf_form'] ) ); // Fallback to encrypted JSON. if ( ! $form ) { $form = json_decode( acf_decrypt( sanitize_text_field( $_POST['_acf_form'] ) ), true ); if ( ! $form ) { return false; } } // Run kses on all $_POST data. if ( $form['kses'] && isset( $_POST['acf'] ) ) { $_POST['acf'] = wp_kses_post_deep( $_POST['acf'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- False positive. } // Validate data and show errors. // Todo: Return WP_Error and show above form, keeping input values. acf_validate_save_post( true ); // Submit form. $this->submit_form( $form ); } /** * This function will submit form data * * @type function * @date 3/3/17 * @since 5.5.10 * * @param n/a * @return n/a */ function submit_form( $form ) { // filter $form = apply_filters( 'acf/pre_submit_form', $form ); // vars $post_id = acf_maybe_get( $form, 'post_id', 0 ); // add global for backwards compatibility $GLOBALS['acf_form'] = $form; // allow for custom save $post_id = apply_filters( 'acf/pre_save_post', $post_id, $form ); // save acf_save_post( $post_id ); // restore form (potentially modified) $form = $GLOBALS['acf_form']; // action do_action( 'acf/submit_form', $form, $post_id ); // vars $return = acf_maybe_get( $form, 'return', '' ); // redirect if ( $return ) { // update %placeholders% $return = str_replace( '%post_id%', $post_id, $return ); $return = str_replace( '%post_url%', get_permalink( $post_id ), $return ); // redirect wp_redirect( $return ); //phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect -- unsafe redirects allowed. exit; } } /** * description * * @type function * @date 7/09/2016 * @since 5.4.0 * * @param $post_id (int) * @return $post_id (int) */ function render_form( $args = array() ) { // Vars. $is_registered = false; $field_groups = array(); $fields = array(); // Allow form settings to be directly provided. if ( is_array( $args ) ) { $args = $this->validate_form( $args ); // Otherwise, lookup registered form. } else { $is_registered = true; $args = $this->get_form( $args ); if ( ! $args ) { return false; } } // Extract vars. $post_id = $args['post_id']; // Prevent ACF from loading values for "new_post". if ( $post_id === 'new_post' ) { $post_id = false; } // Set uploader type. acf_update_setting( 'uploader', $args['uploader'] ); // Register local fields. foreach ( $this->fields as $k => $field ) { acf_add_local_field( $field ); } // Append post_title field. if ( $args['post_title'] ) { $_post_title = acf_get_field( '_post_title' ); $_post_title['value'] = $post_id ? get_post_field( 'post_title', $post_id ) : ''; $fields[] = $_post_title; } // Append post_content field. if ( $args['post_content'] ) { $_post_content = acf_get_field( '_post_content' ); $_post_content['value'] = $post_id ? get_post_field( 'post_content', $post_id ) : ''; $fields[] = $_post_content; } // Load specific fields. if ( $args['fields'] ) { // Lookup fields using $strict = false for better compatibility with field names. foreach ( $args['fields'] as $selector ) { $fields[] = acf_maybe_get_field( $selector, $post_id, false ); } // Load specific field groups. } elseif ( $args['field_groups'] ) { foreach ( $args['field_groups'] as $selector ) { $field_groups[] = acf_get_field_group( $selector ); } // Load fields for the given "new_post" args. } elseif ( $args['post_id'] == 'new_post' ) { $field_groups = acf_get_field_groups( $args['new_post'] ); // Load fields for the given "post_id" arg. } else { $field_groups = acf_get_field_groups( array( 'post_id' => $args['post_id'], ) ); } // load fields from the found field groups. if ( $field_groups ) { foreach ( $field_groups as $field_group ) { $_fields = acf_get_fields( $field_group ); if ( $_fields ) { foreach ( $_fields as $_field ) { $fields[] = $_field; } } } } // Add honeypot field. if ( $args['honeypot'] ) { $fields[] = acf_get_field( '_validate_email' ); } // Display updated_message if ( ! empty( $_GET['updated'] ) && $args['updated_message'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Used as a flag; data not used. printf( $args['html_updated_message'], $args['updated_message'] ); //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- designed to contain potentially unsafe HTML, set by developers. } // display form if ( $args['form'] ) : ?> <form <?php echo acf_esc_attrs( $args['form_attributes'] ); ?>> <?php endif; // Render hidde form data. acf_form_data( array( 'screen' => 'acf_form', 'post_id' => $args['post_id'], 'form' => $is_registered ? $args['id'] : acf_encrypt( json_encode( $args ) ), ) ); ?> <div class="acf-fields acf-form-fields -<?php echo esc_attr( $args['label_placement'] ); ?>"> <?php echo $args['html_before_fields']; ?><?php //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- designed to contain potentially unsafe HTML, set by developers. ?> <?php acf_render_fields( $fields, $post_id, $args['field_el'], $args['instruction_placement'] ); ?> <?php echo $args['html_after_fields']; ?><?php //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- designed to contain potentially unsafe HTML, set by developers. ?> </div> <?php if ( $args['form'] ) : ?> <div class="acf-form-submit"> <?php printf( $args['html_submit_button'], $args['submit_value'] ); ?><?php //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- designed to contain potentially unsafe HTML, set by developers. ?> <?php echo $args['html_submit_spinner']; ?><?php //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- designed to contain potentially unsafe HTML, set by developers. ?> </div> </form> <?php endif; } } // initialize acf()->form_front = new acf_form_front(); endif; // class_exists check /** * Functions * * alias of acf()->form->functions * * @type function * @date 11/06/2014 * @since 5.0.0 * * @param n/a * @return n/a */ function acf_form_head() { acf()->form_front->enqueue_form(); } function acf_form( $args = array() ) { acf()->form_front->render_form( $args ); } function acf_get_form( $id = '' ) { return acf()->form_front->get_form( $id ); } function acf_get_forms() { return acf()->form_front->get_forms(); } function acf_register_form( $args ) { acf()->form_front->add_form( $args ); } ?>
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