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);
}
/*
* validate_form
*
* description
*
* @type function
* @date 28/2/17
* @since 5.5.8
*
* @param $post_id (int)
* @return $post_id (int)
*/
function validate_form( $args ) {
// defaults
$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' => '', // 5.5.10
'html_submit_button' => '', // 5.5.10
'html_submit_spinner' => '', // 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;
}
/*
* add_form
*
* 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;
}
/*
* get_form
*
* 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 ];
}
/*
* validate_save_post
*
* 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'][ $k ]) ) continue;
// register
acf_add_local_field($field);
}
// honeypot
if( !empty($_POST['acf']['_validate_email']) ) {
acf_add_validation_error( '', __('Spam Detected', 'acf') );
}
}
/*
* pre_save_post
*
* 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 $post_id;
}
// save post_title
if( isset($_POST['acf']['_post_title']) ) {
$save['post_title'] = acf_extract_var($_POST['acf'], '_post_title');
}
// save post_content
if( isset($_POST['acf']['_post_content']) ) {
$save['post_content'] = acf_extract_var($_POST['acf'], '_post_content');
}
// honeypot
if( !empty($_POST['acf']['_validate_email']) ) return false;
// validate
if( count($save) == 1 ) {
return $post_id;
}
// save
if( $save['ID'] ) {
wp_update_post( $save );
} else {
$post_id = wp_insert_post( $save );
}
// return
return $post_id;
}
/*
* enqueue
*
* 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
$this->check_submit_form();
// load acf scripts
acf_enqueue_scripts();
}
/*
* check_submit_form
*
* This function will maybe submit form data
*
* @type function
* @date 3/3/17
* @since 5.5.10
*
* @param n/a
* @return n/a
*/
function check_submit_form() {
// verify nonce
if( !acf_verify_nonce('acf_form') ) return;
// bail ealry if form not submit
if( empty($_POST['_acf_form']) ) return;
// load form
$form = json_decode( acf_decrypt($_POST['_acf_form']), true );
// bail ealry if form is corrupt
if( empty($form) ) return;
// kses
if( $form['kses'] && isset($_POST['acf']) ) {
$_POST['acf'] = wp_kses_post_deep( $_POST['acf'] );
}
// validate data
acf_validate_save_post(true);
// submit
$this->submit_form( $form );
}
/*
* submit_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 );
exit;
}
}
/*
* render
*
* description
*
* @type function
* @date 7/09/2016
* @since 5.4.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function render_form( $args = array() ) {
// array
if( is_array($args) ) {
$args = $this->validate_form( $args );
// id
} else {
$args = $this->get_form( $args );
}
// bail early if no args
if( !$args ) return false;
// load values from this post
$post_id = $args['post_id'];
// dont load values for 'new_post'
if( $post_id === 'new_post' ) $post_id = false;
// register local fields
foreach( $this->fields as $k => $field ) {
acf_add_local_field($field);
}
// vars
$field_groups = array();
$fields = array();
// post_title
if( $args['post_title'] ) {
// load local field
$_post_title = acf_get_field('_post_title');
$_post_title['value'] = $post_id ? get_post_field('post_title', $post_id) : '';
// append
$fields[] = $_post_title;
}
// post_content
if( $args['post_content'] ) {
// load local field
$_post_content = acf_get_field('_post_content');
$_post_content['value'] = $post_id ? get_post_field('post_content', $post_id) : '';
// append
$fields[] = $_post_content;
}
// specific fields
if( $args['fields'] ) {
foreach( $args['fields'] as $selector ) {
// append field ($strict = false to allow for better compatibility with field names)
$fields[] = acf_maybe_get_field( $selector, $post_id, false );
}
} elseif( $args['field_groups'] ) {
foreach( $args['field_groups'] as $selector ) {
$field_groups[] = acf_get_field_group( $selector );
}
} elseif( $args['post_id'] == 'new_post' ) {
$field_groups = acf_get_field_groups( $args['new_post'] );
} else {
$field_groups = acf_get_field_groups(array(
'post_id' => $args['post_id']
));
}
//load fields based on field groups
if( !empty($field_groups) ) {
foreach( $field_groups as $field_group ) {
$field_group_fields = acf_get_fields( $field_group );
if( !empty($field_group_fields) ) {
foreach( array_keys($field_group_fields) as $i ) {
$fields[] = acf_extract_var($field_group_fields, $i);
}
}
}
}
// honeypot
if( $args['honeypot'] ) {
$fields[] = acf_get_field('_validate_email');
}
// updated message
if( !empty($_GET['updated']) && $args['updated_message'] ) {
printf( $args['html_updated_message'], $args['updated_message'] );
}
// uploader (always set incase of multiple forms on the page)
acf_update_setting('uploader', $args['uploader']);
// display form
if( $args['form'] ): ?>
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 = '' ) {
acf()->form_front->get_form( $id );
}
function acf_register_form( $args ) {
acf()->form_front->add_form( $args );
}
?>