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<?php
function ninja_forms_register_field_spam(){
$args = array(
'name' => __( 'Anti-Spam', 'ninja-forms' ),
'edit_function' => '',
'display_function' => 'ninja_forms_field_spam_display',
'group' => 'standard_fields',
'edit_label' => false,
'edit_label_pos' => true,
'edit_req' => false,
'edit_custom_class' => true,
'edit_help' => true,
'edit_meta' => false,
'sidebar' => 'template_fields',
'display_label' => true,
'edit_conditional' => true,
'conditional' => array(
'value' => array(
'type' => 'text',
),
),
'pre_process' => 'ninja_forms_field_spam_pre_process',
'process_field' => false,
'limit' => 1,
'edit_options' => array(
array(
'name' => 'label',
'type' => 'text',
'label' => __( 'Spam Question', 'ninja-forms' ),
'width' => 'wide',
'class' => 'widefat',
),
array(
'name' => 'spam_answer',
'type' => 'text',
'label' => __( 'Spam Answer', 'ninja-forms' ),
'width' => 'wide',
'class' => 'widefat',
),
),
'req' => true,
);
ninja_forms_register_field('_spam', $args);
}
add_action('init', 'ninja_forms_register_field_spam');
function ninja_forms_field_spam_edit( $field_id, $data ){
if(isset($data['label'])){
$question = $data['label'];
}else{
$question = '';
}
if(isset($data['answer'])){
$answer = $data['answer'];
}else{
$answer = '';
}
?>
<input type="hidden" name="ninja_forms_field_<?php echo $field_id;?>[req]" value="1">
<p class="description description-wide">
<label for="">
<?php _e( 'Spam Question' , 'ninja-forms'); ?><br />
<input type="text" class="widefat code ninja-forms-field-label" name="ninja_forms_field_<?php echo $field_id;?>[label]" id="ninja_forms_field_<?php echo $field_id;?>_label" value="<?php echo stripslashes( $question );?>">
</label>
</p>
<p class="description description-wide">
<label for="">
<?php _e( 'Spam Answer', 'ninja-forms'); ?><br />
<input type="text" class="widefat" name="ninja_forms_field_<?php echo $field_id;?>[answer]" id="" value="<?php echo $answer;?>">
</label>
</p>
<?php
}
function ninja_forms_field_spam_display( $field_id, $data, $form_id = '' ){
if(isset($data['default_value'])){
$default_value = $data['default_value'];
}else{
$default_value = '';
}
if(isset($data['show_field'])){
$show_field = $data['show_field'];
}else{
$show_field = true;
}
$field_class = ninja_forms_get_field_class( $field_id, $form_id );
if(isset($data['label_pos'])){
$label_pos = $data['label_pos'];
}else{
$label_pos = "left";
}
if(isset($data['label'])){
$label = $data['label'];
}else{
$label = '';
}
if($label_pos == 'inside'){
$default_value = $label;
}
?>
<input id="ninja_forms_field_<?php echo $field_id;?>" name="ninja_forms_field_<?php echo $field_id;?>" type="text" class="<?php echo $field_class;?>" value="<?php echo $default_value;?>" rel="<?php echo $field_id;?>" />
<?php
}
function ninja_forms_field_spam_pre_process( $field_id, $user_value ){
global $ninja_forms_processing;
$plugin_settings = nf_get_settings();
if(isset($plugin_settings['spam_error'])){
$spam_error = __( $plugin_settings['spam_error'], 'ninja-forms' );
}
$field_row = ninja_forms_get_field_by_id($field_id);
$field_data = $field_row['data'];
$spam_answer = $field_data['spam_answer'];
$form_row = ninja_forms_get_form_by_field_id($field_id);
$form_id = $form_row['id'];
if( $ninja_forms_processing->get_action() != 'save' AND $ninja_forms_processing->get_action() != 'mp_save' AND !isset($_POST['_wp_login']) AND $user_value != $spam_answer){
if( is_object( $ninja_forms_processing)){
if( $user_value != '' ){
$ninja_forms_processing->add_error('spam-general', $spam_error, 'general');
$ninja_forms_processing->add_error('spam-'.$field_id, $spam_error, $field_id);
}
}
}
}
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