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<?php

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if ( ! defined( 'ABSPATH' ) ) {

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// Exit if accessed directly.

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exit;

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}

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/**

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* Compatibility for the Advanced Custom Fields plugin.

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* @since 3.17.2

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* @link https://www.advancedcustomfields.com/

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class ET_Builder_Plugin_Compat_Advanced_Custom_Fields extends ET_Builder_Plugin_Compat_Base {

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/**

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* Constructor.

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* @since 3.17.2

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public function __construct() {

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$this->plugin_id = $this->_get_plugin_id();

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$this->init_hooks();

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}

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/**

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* Get the currently activated ACF plugin id as the FREE and PRO versions are separate plugins.

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* @since 3.18

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* @return string

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protected function _get_plugin_id() {

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if ( ! function_exists( 'is_plugin_active' ) ) {

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require_once ABSPATH . 'wp-admin/includes/plugin.php';

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}

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$pro = 'advanced-custom-fields-pro/acf.php';

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$free = 'advanced-custom-fields/acf.php';

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return is_plugin_active( $pro ) ? $pro : $free;

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}

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/**

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* Hook methods to WordPress.

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* @since 3.17.2

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* @return void

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public function init_hooks() {

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// Bail if there's no version found.

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if ( ! $this->get_plugin_version() ) {

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return;

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}

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add_filter( 'et_builder_dynamic_content_meta_value', array( $this, 'maybe_filter_dynamic_content_meta_value' ), 10, 3 );

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add_filter( 'et_builder_custom_dynamic_content_fields', array( $this, 'maybe_filter_dynamic_content_fields'), 10, 3 );

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}

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/**

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* Format ACF meta values accordingly.

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* @since 3.17.2

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* @param string $meta_value

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* @param string $meta_key

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* @param integer $post_id

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* @return string

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public function maybe_filter_dynamic_content_meta_value( $meta_value, $meta_key, $post_id ) {

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$post_type = get_post_type( $post_id );

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$identifier = $post_id;

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if ( et_theme_builder_is_layout_post_type( $post_type ) ) {

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return $this->format_placeholder_value( $meta_key, $post_id );

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}

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if ( is_category() || is_tag() || is_tax() ) {

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$term = get_queried_object();

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$identifier = "{$term->taxonomy}_{$term->term_id}";

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} else if ( is_author() ) {

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$user = get_queried_object();

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$identifier = "user_{$user->ID}";

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}

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$acf_value = get_field( $meta_key, $identifier );

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if ( false === $acf_value ) {

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return $meta_value;

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}

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$acf_field = get_field_object( $meta_key, $post_id, array( 'load_value' => false ) );

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$acf_value = $this->format_field_value( $acf_value, $acf_field );

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if ( is_array( $acf_value ) || is_object( $acf_value ) ) {

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// Avoid exposing unformatted values.

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$acf_value = '';

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}

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return (string) $acf_value;

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}

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/**

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* Format ACF dynamic content field.

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* @since 3.17.2

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* @param array[] $custom_fields

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* @param int $post_id

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* @param mixed[] $raw_custom_fields

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* @return array[] modified $custom_fields

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public function maybe_filter_dynamic_content_fields( $custom_fields, $post_id, $raw_custom_fields ) {

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if ( ! $post_id || et_theme_builder_is_layout_post_type( get_post_type( $post_id ) ) ) {

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$post_id = 0;

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}

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return $this->maybe_filter_dynamic_content_fields_from_groups( $custom_fields, $post_id, $raw_custom_fields );

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}

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/**

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* Format ACF dynamic content fields for TB layouts.

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* @since 4.0.9

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* @param array[] $custom_fields

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* @param int $post_id

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* @param mixed[] $raw_custom_fields

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* @return array[] modified $custom_fields

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public function maybe_filter_dynamic_content_fields_from_groups( $custom_fields, $post_id, $raw_custom_fields ) {

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$groups = 0 !== $post_id ? acf_get_field_groups( array( 'post_id' => $post_id ) ) : acf_get_field_groups();

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foreach ( $groups as $group ) {

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$fields = $this->expand_fields( acf_get_fields( $group['ID'] ) );

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foreach ( $fields as $field ) {

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if ( 'group' === $field['type'] ) {

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// Remove all group fields as ACF stores empty values for them.

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unset( $custom_fields["custom_meta_{$field['name']}"] );

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continue;

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}

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$settings = array(

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'label' => esc_html( $field['label'] ),

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'type' => 'any',

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'fields' => array(

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'before' => array(

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'label' => et_builder_i18n( 'Before' ),

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'type' => 'text',

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'default' => '',

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'show_on' => 'text',

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'after' => array(

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'label' => et_builder_i18n( 'After' ),

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'type' => 'text',

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'default' => '',

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'show_on' => 'text',

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'meta_key' => $field['name'],

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'custom' => true,

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'group' => "ACF: {$group['title']}",

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);

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if ( current_user_can( 'unfiltered_html' ) ) {

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$settings['fields']['enable_html'] = array(

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'label' => esc_html__( 'Enable raw HTML', 'et_builder' ),

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'type' => 'yes_no_button',

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'options' => array(

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'on' => et_builder_i18n( 'Yes' ),

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'off' => et_builder_i18n( 'No' ),

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// Set enable_html default to `on` for taxonomy fields so builder

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// automatically renders taxonomy list properly as unescaped HTML.

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'default' => 'taxonomy' === $field['type'] ? 'on' : 'off',

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'show_on' => 'text',

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);

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}

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$custom_fields["custom_meta_{$field['name']}"] = $settings;

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}

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}

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return $custom_fields;

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}

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/**

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* Expand ACF fields into their subfields in the order they are specified, if any.

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* @since 4.0.9

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* @param array[] $fields

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* @param string $name_prefix

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* @param string $label_prefix

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* @return array[]

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public function expand_fields( $fields, $name_prefix = '', $label_prefix = '' ) {

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$expanded = array();

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foreach ( $fields as $field ) {

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$expanded[] = array( array_merge( $field, array(

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'name' => $name_prefix . $field['name'],

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'label' => $label_prefix . $field['label'],

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) ) );

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if ('group' === $field['type']) {

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$expanded[] = $this->expand_fields(

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$field['sub_fields'],

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$name_prefix . $field['name'] . '_',

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$label_prefix . $field['label'] . ': '

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);

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}

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}

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if ( empty( $expanded ) ) {

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return array();

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}

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// @phpcs:ignore Generic.PHP.ForbiddenFunctions.Found

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return call_user_func_array( 'array_merge', $expanded );

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}

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/**

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* Format a field value based on the field type.

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* @param mixed $value

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* @param array $field

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* @return mixed

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protected function format_field_value( $value, $field ) {

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if ( ! is_array( $field ) || empty( $field['type'] ) ) {

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return $value;

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}

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switch ( $field['type'] ) {

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case 'image':

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$format = isset( $field['return_format'] ) ? $field['return_format'] : 'url';

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switch ( $format ) {

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case 'array':

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$value = esc_url( wp_get_attachment_url( intval( $value['id'] ) ) );

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break;

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case 'id':

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$value = esc_url( wp_get_attachment_url( intval( $value ) ) );

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break;

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}

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break;

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case 'select':

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case 'checkbox':

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$value = is_array( $value ) ? $value : array( $value );

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$value_labels = array();

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foreach ( $value as $value_key ) {

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$choice_label = isset( $field['choices'][ $value_key ] ) ? $field['choices'][ $value_key ] : '';

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if ( ! empty( $choice_label ) ) {

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$value_labels[] = $choice_label;

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}

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}

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$value = implode( ', ', $value_labels );

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break;

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case 'true_false':

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$value = et_builder_i18n( $value ? 'Yes' : 'No' );

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break;

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case 'taxonomy':

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// If taxonomy configuration exist, get HTML output of given value (ids).

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if ( isset( $field['taxonomy'] ) ) {

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$terms = get_terms( array( 'taxonomy' => $field['taxonomy'], 'include' => $value ) );

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$link = 'on';

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$separator = ', ';

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if ( is_array( $terms ) ) {

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$value = et_builder_list_terms( $terms, $link, $separator );

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}

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}

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break;

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default:

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// Handle multiple values for which a more appropriate formatting method is not available.

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if ( isset( $field['multiple'] ) && $field['multiple'] ) {

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$value = implode( ', ', $value );

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}

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break;

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}

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// Value escaping left to the user to decide since some fields hold rich content.

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$value = et_core_esc_previously( $value );

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return $value;

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}

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/**

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* Format a placeholder value based on the field type.

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* @param string $meta_key

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* @param integer $post_id

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* @return mixed

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protected function format_placeholder_value( $meta_key, $post_id ) {

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if ( function_exists( 'acf_get_field' ) ) {

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$field = acf_get_field( $meta_key );

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} else {

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$field = get_field_object( $meta_key, false, array( 'load_value' => false ) );

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}

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if ( ! is_array( $field ) || empty( $field['type'] ) ) {

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return esc_html__( 'Your ACF Field Value Will Display Here', 'et_builder' );

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}

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$value = esc_html( sprintf(

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// Translators: %1$s: ACF Field name

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__( 'Your "%1$s" ACF Field Value Will Display Here', 'et_builder' ),

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$field['label']

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) );

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switch ( $field['type'] ) {

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case 'image':

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$value = ET_BUILDER_PLACEHOLDER_LANDSCAPE_IMAGE_DATA;

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break;

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case 'taxonomy':

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$value = esc_html( implode( ', ', array(

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__( 'Category 1', 'et_builder' ),

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__( 'Category 2', 'et_builder' ),

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__( 'Category 3', 'et_builder' ),

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) ) );

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break;

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}

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return $value;

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}

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}

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new ET_Builder_Plugin_Compat_Advanced_Custom_Fields;

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