<?php
if(!defined('ABSPATH'))
exit;
if(!class_exists('acfe_field_validation')):
class acfe_field_validation{
function __construct(){
// Actions
add_action('acf/field_group/admin_head', array($this, 'load'));
add_action('wp_ajax_acf/field_group/render_field_settings', array($this, 'load_ajax'), 5);
// Filters
add_filter('acf/validate_value', array($this, 'validate_value'), 99, 4);
}
/*
* Admin Head
*/
function load(){
if(!acf_is_filter_enabled('acfe/field_group/advanced'))
return;
$this->prepare_settings();
$this->add_settings();
}
/*
* Ajax Load
*/
function load_ajax(){
$post_id = acf_maybe_get_POST('post_id');
$field_group = acf_get_field_group($post_id);
if(!$field_group)
return;
if(!acf_maybe_get($field_group, 'acfe_form'))
return;
$this->add_settings();
}
/*
* Add Settings
*/
function add_settings(){
// Exclude
$exclude = array('accordion', 'acfe_button', 'acfe_column', 'acfe_dynamic_message', 'clone', 'flexible_content', 'group', 'message', 'repeater', 'tab');
// Get Fields Types
foreach(acf_get_field_types_info() as $field){
// Field type
$field_type = $field['name'];
// check
if(in_array($field_type, $exclude))
continue;
add_action("acf/render_field_settings/type={$field_type}", array($this, 'render_field_settings'), 99);
}
}
/*
* Render Settings
*/
function render_field_settings($field){
$functions = array(
'General' => array(
'value' => 'If value',
'strlen' => 'If value length - strlen(value)',
'count' => 'If count value - count(value)',
),
'Exists' => array(
'email_exists' => 'If email exists - email_exists(value)',
'post_type_exists' => 'If post type exists - post_type_exists(value)',
'taxonomy_exists' => 'If taxonomy exists - taxonomy_exists(value)',
'term_exists' => 'If term exists - term_exists(value)',
'username_exists' => 'If username exists - username_exists(value)',
),
'Is' => array(
'is_email' => 'If is email - is_email(value)',
'is_user_logged_in' => 'If is user logged in - is_user_logged_in()',
'is_array' => 'If is array - is_array(value)',
'is_string' => 'If is string - is_string(value)',
'is_numeric' => 'If is numeric - is_numeric(value)',
),
'Post' => array(
'get_post_type' => 'If get post type - get_post_type(value)',
'get_post_by_id' => 'If post id exists - get_post_by_id(value)',
'get_post_by_slug' => 'If post slug exists - get_post_by_slug(value)',
'get_post_by_title' => 'If post title exists - get_post_by_title(value)',
),
'Sanitize' => array(
'sanitize_email' => 'If sanitize email - sanitize_email(value)',
'sanitize_file_name' => 'If sanitize file name - sanitize_file_name(value)',
'sanitize_html_class' => 'If sanitize html class - sanitize_html_class(value)',
'sanitize_key' => 'If sanitize key - sanitize_key(value)',
'sanitize_meta' => 'If sanitize meta - sanitize_meta(value)',
'sanitize_mime_type' => 'If sanitize mime type - sanitize_mime_type(value)',
'sanitize_option' => 'If sanitize option - sanitize_option(value)',
'sanitize_text_field' => 'If sanitize text field - sanitize_text_field(value)',
'sanitize_title' => 'If sanitize title - sanitize_title(value)',
'sanitize_user' => 'If sanitize user - sanitize_user(value)',
),
'User' => array(
'get_user_by_id' => 'If get user by id - get_user_by(\'id\', value)',
'get_user_by_slug' => 'If get user by slug - get_user_by(\'slug\', value)',
'get_user_by_email' => 'If get user by email - get_user_by(\'email\', value)',
'get_user_by_login' => 'If get user by login - get_user_by(\'login\', value)',
)
);
$choices = apply_filters('acfe/validate/functions', $functions, $field);
if(empty($choices))
return;
// Settings
acf_render_field_setting($field, array(
'label' => __('Advanced Validation'),
'name' => 'acfe_validate',
'key' => 'acfe_validate',
'instructions' => __('Validate value against rules'),
'type' => 'repeater',
'button_label' => __('Add validation'),
'required' => false,
'layout' => 'row',
'wrapper' => array(
'data-enable-switch' => true
),
'sub_fields' => array(
array(
'label' => 'Location',
'name' => 'acfe_validate_location',
'key' => 'acfe_validate_location',
'type' => 'select',
'instructions' => '',
'required' => 0,
'conditional_logic' => 0,
'wrapper' => array(
'width' => '',
'class' => '',
'id' => '',
),
'choices' => array(
'admin' => 'Administration',
'front' => 'Front-end',
),
'allow_null' => true,
'multiple' => 0,
'ui' => 0,
'return_format' => 'value',
'ajax' => 0,
'placeholder' => 'Everywhere',
),
array(
'label' => __('Rules'),
'name' => 'acfe_validate_rules_and',
'key' => 'acfe_validate_rules_and',
'instructions' => '',
'type' => 'repeater',
'button_label' => __('+ AND'),
'required' => false,
'layout' => 'table',
'sub_fields' => array(
array(
'ID' => false,
'label' => 'Function',
'name' => 'acfe_validate_function',
'key' => 'acfe_validate_function',
'prefix' => '',
'_name' => '',
'_prepare' => '',
'type' => 'select',
'choices' => $choices,
'instructions' => false,
'required' => false,
'wrapper' => array(
'width' => '',
'class' => '',
'id' => '',
),
),
array(
'ID' => false,
'label' => 'Operator / Value',
'name' => 'acfe_validate_operator',
'key' => 'acfe_validate_operator',
'prefix' => '',
'_name' => '',
'_prepare' => '',
'type' => 'select',
'choices' => array(
'Operators' => array(
'==' => '==',
'!=' => '!=',
'>' => '>',
'>=' => '>=',
'<' => '<',
'<=' => '<=',
'contains' => 'Contains',
'!contains' => 'Doesn\'t contain',
'starts' => 'Starts with',
'!starts' => 'Doesn\'t start with',
'ends' => 'Ends with',
'!ends' => 'Doesn\'t end with',
'regex' => 'Matches regex',
'!regex' => 'Doesn\'t matches regex',
),
'Values' => array(
'true' => '== true',
'!true' => '!= true',
'false' => '== false',
'!false'=> '!= false',
'null' => '== null',
'!null' => '!= null',
'empty' => '== (empty)',
'!empty'=> '!= (empty)',
)
),
'instructions' => false,
'required' => false,
'wrapper' => array(
'width' => '',
'class' => '',
'id' => '',
),
),
array(
'ID' => false,
'label' => 'Value',
'name' => 'acfe_validate_match',
'key' => 'acfe_validate_match',
'prefix' => '',
'_name' => '',
'_prepare' => '',
'type' => 'text',
'instructions' => false,
'placeholder' => '',
'required' => false,
'wrapper' => array(
'width' => '',
'class' => '',
'id' => '',
),
'conditional_logic' => array(
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '==',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '!=',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '>',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '>=',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '<',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '<=',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => 'contains',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '!contains',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => 'starts',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '!starts',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => 'ends',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '!ends',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => 'regex',
)
),
array(
array(
'field' => 'acfe_validate_operator',
'operator' => '==',
'value' => '!regex',
)
),
)
),
)
),
array(
'label' => 'Error',
'name' => 'acfe_validate_error',
'key' => 'acfe_validate_error',
'prefix' => '',
'_name' => '',
'_prepare' => '',
'type' => 'text',
'instructions' => false,
'required' => false,
'wrapper' => array(
'width' => '',
'class' => '',
'id' => '',
),
),
)
));
}
/*
* Validate Value
*/
function validate_value($valid, $value, $field, $input){
if(!$valid)
return $valid;
if(!acf_maybe_get($field, 'acfe_validate'))
return $valid;
foreach($field['acfe_validate'] as $k => $rule){
// Fix possible ACF Clone Index
if($k === 'acfcloneindex')
continue;
// Screen
$screen = isset($rule['acfe_validate_location']) ? $rule['acfe_validate_location'] : '';
$screen_allow = false;
// Screen: All
if(empty($screen)){
$screen_allow = true;
}
// Screen: Admin
elseif($screen === 'admin' && acfe_form_is_admin()){
$screen_allow = true;
}
// Screen: Front
elseif($screen === 'front' && acfe_form_is_front()){
$screen_allow = true;
}
if(!$screen_allow)
continue;
if(!acf_maybe_get($rule, 'acfe_validate_rules_and'))
continue;
$rule_match = true;
foreach($rule['acfe_validate_rules_and'] as $k => $function){
if(!$rule_match)
break;
$rule_match = false;
// Check filters
$filters = array(
'acfe/validate/function/' . $function['acfe_validate_function'] . '/key=' . $field['key'],
'acfe/validate/function/' . $function['acfe_validate_function'] . '/name=' . $field['name'],
'acfe/validate/function/' . $function['acfe_validate_function'] . '/type=' . $field['type'],
'acfe/validate/function/' . $function['acfe_validate_function'],
);
$filter_call = false;
foreach($filters as $filter){
if(has_filter($filter))
$filter_call = $filter;
}
// Filter
if($filter_call){
$result = apply_filters($filter_call, false, $value, $field);
}
// Class
elseif(is_callable(array($this, $function['acfe_validate_function']))){
$result = call_user_func(array($this, $function['acfe_validate_function']), $value);
}
// Function
elseif(is_callable($function['acfe_validate_function'])){
$result = call_user_func($function['acfe_validate_function'], $value);
}
// Nothing
else{
continue;
}
// Vars
$operator = $function['acfe_validate_operator'];
$match = acf_maybe_get($function, 'acfe_validate_match');
if($operator === '==' && $result == $match){
$rule_match = true;
}
elseif($operator === '!=' && $result != $match){
$rule_match = true;
}
elseif($operator === '>' && $result > $match){
$rule_match = true;
}
elseif($operator === '>=' && $result >= $match){
$rule_match = true;
}
elseif($operator === '<' && $result < $match){
$rule_match = true;
}
elseif($operator === '<=' && $result <= $match){
$rule_match = true;
}
elseif($operator === 'contains' && stripos($result, $match) !== false){
$rule_match = true;
}
elseif($operator === '!contains' && stripos($result, $match) === false){
$rule_match = true;
}
elseif($operator === 'starts' && stripos($result, $match) === 0){
$rule_match = true;
}
elseif($operator === '!starts' && stripos($result, $match) !== 0){
$rule_match = true;
}
elseif($operator === 'ends' && acfe_ends_with($result, $match)){
$rule_match = true;
}
elseif($operator === '!ends' && !acfe_ends_with($result, $match)){
$rule_match = true;
}
elseif($operator === 'regex' && preg_match('/' . $match . '/', $result)){
$rule_match = true;
}
elseif($operator === '!regex' && !preg_match('/' . $match . '/', $result)){
$rule_match = true;
}
elseif($operator === 'true' && $result === true){
$rule_match = true;
}
elseif($operator === '!true' && $result !== true){
$rule_match = true;
}
elseif($operator === 'false' && $result === false){
$rule_match = true;
}
elseif($operator === '!false' && $result !== false){
$rule_match = true;
}
elseif($operator === 'null' && $result === null){
$rule_match = true;
}
elseif($operator === '!null' && $result !== null){
$rule_match = true;
}
elseif($operator === 'empty' && empty($result)){
$rule_match = true;
}
elseif($operator === '!empty' && !empty($result)){
$rule_match = true;
}
}
// Error
$error = $rule['acfe_validate_error'];
if($rule_match && !empty($error))
$valid = $error;
if(!$valid || is_string($valid))
break;
}
return $valid;
}
function get_user_by_id($value){
return get_user_by('id', $value);
}
function get_user_by_slug($value){
return get_user_by('slug', $value);
}
function get_user_by_email($value){
return get_user_by('email', $value);
}
function get_user_by_login($value){
return get_user_by('login', $value);
}
function value($value){
return $value;
}
function get_post_by_id($value){
$get_post = get_post($value);
if(!$get_post || is_wp_error($get_post))
return false;
return true;
}
function get_post_by_slug($value){
$get_posts = get_posts(array(
'name' => $value,
'post_type' => 'any',
'post_status' => 'any',
'posts_per_page' => 1
));
if(empty($get_posts))
return false;
return true;
}
function get_post_by_title($value){
$get_posts = get_posts(array(
's' => $value,
'post_type' => 'any',
'post_status' => 'any',
'posts_per_page' => 1
));
if(empty($get_posts))
return false;
return true;
}
/*
* Prepare Settings
*/
function prepare_settings(){
$fields = array('acfe_validate', 'acfe_validate_location', 'acfe_validate_rules_and', 'acfe_validate_function', 'acfe_validate_operator', 'acfe_validate_match', 'acfe_validate_error');
foreach($fields as $name){
add_filter("acf/prepare_field/name={$name}", function($field){
$field['prefix'] = str_replace('row-', '', $field['prefix']);
$field['name'] = str_replace('row-', '', $field['name']);
return $field;
});
}
}
}
// initialize
new acfe_field_validation();
endif;