624 lines
14 KiB
PHP
624 lines
14 KiB
PHP
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<?php
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if ( ! class_exists( 'acf_field_checkbox' ) ) :
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class acf_field_checkbox extends acf_field {
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/*
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* __construct
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*
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function initialize() {
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// vars
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$this->name = 'checkbox';
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$this->label = __( 'Checkbox', 'acf' );
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$this->category = 'choice';
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$this->description = __( 'A group of checkbox inputs that allow the user to select one, or multiple values that you specify.', 'acf' );
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$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-checkbox.png';
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$this->doc_url = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/checkbox/', 'docs', 'field-type-selection' );
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$this->defaults = array(
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'layout' => 'vertical',
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'choices' => array(),
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'default_value' => '',
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'allow_custom' => 0,
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'save_custom' => 0,
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'toggle' => 0,
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'return_format' => 'value',
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'custom_choice_button_text' => __( 'Add new choice', 'acf' ),
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);
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
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*
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* @param $field (array) the $field being rendered
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field (array) the $field being edited
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* @return n/a
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*/
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function render_field( $field ) {
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// reset vars
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$this->_values = array();
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$this->_all_checked = true;
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// ensure array
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$field['value'] = acf_get_array( $field['value'] );
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$field['choices'] = acf_get_array( $field['choices'] );
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// hiden input
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acf_hidden_input( array( 'name' => $field['name'] ) );
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// vars
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$li = '';
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$ul = array(
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'class' => 'acf-checkbox-list',
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);
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// append to class
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$ul['class'] .= ' ' . ( $field['layout'] == 'horizontal' ? 'acf-hl' : 'acf-bl' );
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$ul['class'] .= ' ' . $field['class'];
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// checkbox saves an array
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$field['name'] .= '[]';
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// choices
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if ( ! empty( $field['choices'] ) ) {
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// choices
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$li .= $this->render_field_choices( $field );
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// toggle
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if ( $field['toggle'] ) {
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$li = $this->render_field_toggle( $field ) . $li;
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}
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}
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// custom
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if ( $field['allow_custom'] ) {
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$li .= $this->render_field_custom( $field );
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}
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// return
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echo '<ul ' . acf_esc_attr( $ul ) . '>' . "\n" . $li . '</ul>' . "\n";
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}
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/*
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* render_field_choices
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*
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* description
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*
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* @type function
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* @date 15/7/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_field_choices( $field ) {
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// walk
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return $this->walk( $field['choices'], $field );
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}
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/**
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* Validates values for the checkbox field
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*
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* @date 09/12/2022
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* @since 6.0.0
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*
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* @param bool $valid If the field is valid.
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* @param mixed $value The value to validate.
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* @param array $field The main field array.
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* @param string $input The input element's name attribute.
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*
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* @return bool
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*/
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function validate_value( $valid, $value, $field, $input ) {
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if ( ! is_array( $value ) || empty( $field['allow_custom'] ) ) {
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return $valid;
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}
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foreach ( $value as $value ) {
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if ( empty( $value ) && $value !== '0' ) {
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return __( 'Checkbox custom values cannot be empty. Uncheck any empty values.', 'acf' );
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}
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}
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return $valid;
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}
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/*
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* render_field_toggle
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*
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* description
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*
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* @type function
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* @date 15/7/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_field_toggle( $field ) {
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// vars
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$atts = array(
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'type' => 'checkbox',
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'class' => 'acf-checkbox-toggle',
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'label' => __( 'Toggle All', 'acf' ),
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);
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// custom label
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if ( is_string( $field['toggle'] ) ) {
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$atts['label'] = $field['toggle'];
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}
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// checked
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if ( $this->_all_checked ) {
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$atts['checked'] = 'checked';
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}
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// return
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return '<li>' . acf_get_checkbox_input( $atts ) . '</li>' . "\n";
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}
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/*
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* render_field_custom
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*
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* description
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*
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* @type function
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* @date 15/7/17
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* @since 5.6.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function render_field_custom( $field ) {
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// vars
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$html = '';
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// loop
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foreach ( $field['value'] as $value ) {
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// ignore if already eixsts
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if ( isset( $field['choices'][ $value ] ) ) {
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continue;
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}
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// vars
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$esc_value = esc_attr( $value );
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$text_input = array(
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'name' => $field['name'],
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'value' => $value,
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);
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// bail early if choice already exists
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if ( in_array( $esc_value, $this->_values ) ) {
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continue;
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}
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// append
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$html .= '<li><input class="acf-checkbox-custom" type="checkbox" checked="checked" />' . acf_get_text_input( $text_input ) . '</li>' . "\n";
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}
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// append button
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$html .= '<li><a href="#" class="button acf-add-checkbox">' . esc_attr( $field['custom_choice_button_text'] ) . '</a></li>' . "\n";
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// return
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return $html;
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}
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function walk( $choices = array(), $args = array(), $depth = 0 ) {
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// bail early if no choices
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if ( empty( $choices ) ) {
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return '';
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}
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// defaults
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$args = wp_parse_args(
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$args,
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array(
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'id' => '',
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'type' => 'checkbox',
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'name' => '',
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'value' => array(),
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'disabled' => array(),
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)
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);
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// vars
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$html = '';
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// sanitize values for 'selected' matching
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if ( $depth == 0 ) {
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$args['value'] = array_map( 'esc_attr', $args['value'] );
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$args['disabled'] = array_map( 'esc_attr', $args['disabled'] );
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}
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// loop
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foreach ( $choices as $value => $label ) {
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// open
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$html .= '<li>';
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// optgroup
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if ( is_array( $label ) ) {
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$html .= '<ul>' . "\n";
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$html .= $this->walk( $label, $args, $depth + 1 );
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$html .= '</ul>';
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// option
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} else {
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// vars
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$esc_value = esc_attr( $value );
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$atts = array(
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'id' => $args['id'] . '-' . str_replace( ' ', '-', $value ),
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'type' => $args['type'],
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'name' => $args['name'],
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'value' => $value,
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'label' => $label,
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);
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// selected
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if ( in_array( $esc_value, $args['value'] ) ) {
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$atts['checked'] = 'checked';
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} else {
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$this->_all_checked = false;
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}
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// disabled
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if ( in_array( $esc_value, $args['disabled'] ) ) {
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$atts['disabled'] = 'disabled';
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}
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// store value added
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$this->_values[] = $esc_value;
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// append
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$html .= acf_get_checkbox_input( $atts );
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}
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// close
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$html .= '</li>' . "\n";
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}
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// return
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return $html;
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}
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/*
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* render_field_settings()
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*
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* Create extra options for your field. This is rendered when editing a field.
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* The value of $field['name'] can be used (like bellow) to save extra data to the $field
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field - an array holding all the field's data
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*/
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function render_field_settings( $field ) {
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// Encode choices (convert from array).
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$field['choices'] = acf_encode_choices( $field['choices'] );
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$field['default_value'] = acf_encode_choices( $field['default_value'], false );
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Choices', 'acf' ),
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'instructions' => __( 'Enter each choice on a new line.', 'acf' ) . '<br />' . __( 'For more control, you may specify both a value and label like this:', 'acf' ) . '<br /><span class="acf-field-setting-example">' . __( 'red : Red', 'acf' ) . '</span>',
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'type' => 'textarea',
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'name' => 'choices',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Default Value', 'acf' ),
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'instructions' => __( 'Enter each default value on a new line', 'acf' ),
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'type' => 'textarea',
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'name' => 'default_value',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Return Value', 'acf' ),
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'instructions' => __( 'Specify the returned value on front end', 'acf' ),
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'type' => 'radio',
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'name' => 'return_format',
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'layout' => 'horizontal',
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'choices' => array(
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'value' => __( 'Value', 'acf' ),
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'label' => __( 'Label', 'acf' ),
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'array' => __( 'Both (Array)', 'acf' ),
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),
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)
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);
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}
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/**
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* Renders the field settings used in the "Validation" tab.
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*
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* @since 6.0
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*
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* @param array $field The field settings array.
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* @return void
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*/
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function render_field_validation_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Allow Custom Values', 'acf' ),
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'name' => 'allow_custom',
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'type' => 'true_false',
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'ui' => 1,
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'instructions' => __( "Allow 'custom' values to be added", 'acf' ),
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Save Custom Values', 'acf' ),
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'name' => 'save_custom',
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'type' => 'true_false',
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'ui' => 1,
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'instructions' => __( "Save 'custom' values to the field's choices", 'acf' ),
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'conditions' => array(
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'field' => 'allow_custom',
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'operator' => '==',
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'value' => 1,
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),
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)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders the field settings used in the "Presentation" tab.
|
||
|
|
*
|
||
|
|
* @since 6.0
|
||
|
|
*
|
||
|
|
* @param array $field The field settings array.
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
function render_field_presentation_settings( $field ) {
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Layout', 'acf' ),
|
||
|
|
'instructions' => '',
|
||
|
|
'type' => 'radio',
|
||
|
|
'name' => 'layout',
|
||
|
|
'layout' => 'horizontal',
|
||
|
|
'choices' => array(
|
||
|
|
'vertical' => __( 'Vertical', 'acf' ),
|
||
|
|
'horizontal' => __( 'Horizontal', 'acf' ),
|
||
|
|
),
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
acf_render_field_setting(
|
||
|
|
$field,
|
||
|
|
array(
|
||
|
|
'label' => __( 'Add Toggle All', 'acf' ),
|
||
|
|
'instructions' => __( 'Prepend an extra checkbox to toggle all choices', 'acf' ),
|
||
|
|
'name' => 'toggle',
|
||
|
|
'type' => 'true_false',
|
||
|
|
'ui' => 1,
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* update_field()
|
||
|
|
*
|
||
|
|
* This filter is appied to the $field before it is saved to the database
|
||
|
|
*
|
||
|
|
* @type filter
|
||
|
|
* @since 3.6
|
||
|
|
* @date 23/01/13
|
||
|
|
*
|
||
|
|
* @param $field - the field array holding all the field options
|
||
|
|
* @param $post_id - the field group ID (post_type = acf)
|
||
|
|
*
|
||
|
|
* @return $field - the modified field
|
||
|
|
*/
|
||
|
|
|
||
|
|
function update_field( $field ) {
|
||
|
|
|
||
|
|
// Decode choices (convert to array).
|
||
|
|
$field['choices'] = acf_decode_choices( $field['choices'] );
|
||
|
|
$field['default_value'] = acf_decode_choices( $field['default_value'], true );
|
||
|
|
return $field;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* update_value()
|
||
|
|
*
|
||
|
|
* This filter is appied to the $value before it is updated in the db
|
||
|
|
*
|
||
|
|
* @type filter
|
||
|
|
* @since 3.6
|
||
|
|
* @date 23/01/13
|
||
|
|
*
|
||
|
|
* @param $value - the value which will be saved in the database
|
||
|
|
* @param $post_id - the $post_id of which the value will be saved
|
||
|
|
* @param $field - the field array holding all the field options
|
||
|
|
*
|
||
|
|
* @return $value - the modified value
|
||
|
|
*/
|
||
|
|
|
||
|
|
function update_value( $value, $post_id, $field ) {
|
||
|
|
|
||
|
|
// bail early if is empty
|
||
|
|
if ( empty( $value ) ) {
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// select -> update_value()
|
||
|
|
$value = acf_get_field_type( 'select' )->update_value( $value, $post_id, $field );
|
||
|
|
|
||
|
|
// save_other_choice
|
||
|
|
if ( $field['save_custom'] ) {
|
||
|
|
|
||
|
|
// get raw $field (may have been changed via repeater field)
|
||
|
|
// if field is local, it won't have an ID
|
||
|
|
$selector = $field['ID'] ? $field['ID'] : $field['key'];
|
||
|
|
$field = acf_get_field( $selector );
|
||
|
|
if ( ! $field ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// bail early if no ID (JSON only)
|
||
|
|
if ( ! $field['ID'] ) {
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// loop
|
||
|
|
foreach ( $value as $v ) {
|
||
|
|
|
||
|
|
// ignore if already eixsts
|
||
|
|
if ( isset( $field['choices'][ $v ] ) ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// unslash (fixes serialize single quote issue)
|
||
|
|
$v = wp_unslash( $v );
|
||
|
|
|
||
|
|
// sanitize (remove tags)
|
||
|
|
$v = sanitize_text_field( $v );
|
||
|
|
|
||
|
|
// append
|
||
|
|
$field['choices'][ $v ] = $v;
|
||
|
|
}
|
||
|
|
|
||
|
|
// save
|
||
|
|
acf_update_field( $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
// return
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* translate_field
|
||
|
|
*
|
||
|
|
* This function will translate field settings
|
||
|
|
*
|
||
|
|
* @type function
|
||
|
|
* @date 8/03/2016
|
||
|
|
* @since 5.3.2
|
||
|
|
*
|
||
|
|
* @param $field (array)
|
||
|
|
* @return $field
|
||
|
|
*/
|
||
|
|
|
||
|
|
function translate_field( $field ) {
|
||
|
|
|
||
|
|
return acf_get_field_type( 'select' )->translate_field( $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* format_value()
|
||
|
|
*
|
||
|
|
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
|
||
|
|
*
|
||
|
|
* @type filter
|
||
|
|
* @since 3.6
|
||
|
|
* @date 23/01/13
|
||
|
|
*
|
||
|
|
* @param $value (mixed) the value which was loaded from the database
|
||
|
|
* @param $post_id (mixed) the $post_id from which the value was loaded
|
||
|
|
* @param $field (array) the field array holding all the field options
|
||
|
|
*
|
||
|
|
* @return $value (mixed) the modified value
|
||
|
|
*/
|
||
|
|
|
||
|
|
function format_value( $value, $post_id, $field ) {
|
||
|
|
|
||
|
|
// Bail early if is empty.
|
||
|
|
if ( acf_is_empty( $value ) ) {
|
||
|
|
return array();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Always convert to array of items.
|
||
|
|
$value = acf_array( $value );
|
||
|
|
|
||
|
|
// Return.
|
||
|
|
return acf_get_field_type( 'select' )->format_value( $value, $post_id, $field );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the schema array for the REST API.
|
||
|
|
*
|
||
|
|
* @param array $field
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_rest_schema( array $field ) {
|
||
|
|
$schema = array(
|
||
|
|
'type' => array( 'integer', 'string', 'array', 'null' ),
|
||
|
|
'required' => isset( $field['required'] ) && $field['required'],
|
||
|
|
'items' => array(
|
||
|
|
'type' => array( 'string', 'integer' ),
|
||
|
|
),
|
||
|
|
);
|
||
|
|
|
||
|
|
if ( isset( $field['default_value'] ) && '' !== $field['default_value'] ) {
|
||
|
|
$schema['default'] = $field['default_value'];
|
||
|
|
}
|
||
|
|
|
||
|
|
// If we allow custom values, nothing else to do here.
|
||
|
|
if ( ! empty( $field['allow_custom'] ) ) {
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
|
||
|
|
$schema['items']['enum'] = acf_get_field_type( 'select' )->format_rest_choices( $field['choices'] );
|
||
|
|
|
||
|
|
return $schema;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// initialize
|
||
|
|
acf_register_field_type( 'acf_field_checkbox' );
|
||
|
|
endif; // class_exists check
|