mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-06-05 15:08:20 +09:00
Robin Cornett
279 lines
6.9 KiB
PHP
279 lines
6.9 KiB
PHP
<?php
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/**
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* Class Display_Featured_Image_Genesis_Post_Meta
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* @package DisplayFeaturedImageGenesis
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* @author Robin Cornett <hello@robincornett.com>
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* @license GPL-2.0+
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* @link https://robincornett.com
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* @copyright 2014-2020 Robin Cornett Creative, LLC
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*/
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class Display_Featured_Image_Genesis_Post_Meta {
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/**
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* ID for our new metabox.
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* @var string
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*/
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protected $metabox = 'displayfeaturedimagegenesis';
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/**
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* Post meta key to disable buttons
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* @var string
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*/
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protected $disable = '_displayfeaturedimagegenesis_disable';
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/**
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* Post meta key to not move titles
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* @var string
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*/
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protected $move = '_displayfeaturedimagegenesis_move';
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/**
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* For Gutenberg, add a new metabox, since the thumbnail hooks are no longer present.
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* Should eventually be replaced with a block.
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*
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* @since 3.0.0
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*
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* @param $post_type
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* @param $post
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*/
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public function add_metabox( $post_type, $post ) {
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if ( ! $this->is_block_editor() ) {
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return;
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}
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if ( ! post_type_supports( $post_type, 'thumbnail' ) ) {
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return;
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}
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add_meta_box(
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$this->metabox,
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__( 'Display Featured Image', 'display-featured-image-genesis' ),
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array( $this, 'do_metabox' ),
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$post_type,
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'side',
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'low'
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);
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}
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/**
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* Output the metabox.
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*
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* @param $post
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* @param $args
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*/
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public function do_metabox( $post, $args ) {
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echo $this->get_metabox_content( $post->ID );
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}
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/**
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* Build the metabox with the checkbox setting.
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* @since 2.5.0
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*
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* @param $content
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* @param $post_id
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*
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* @return string
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*/
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public function meta_box( $content, $post_id ) {
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return $this->get_metabox_content( $post_id ) . $content;
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}
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/**
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* Get the metabox content/fields.
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*
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* @param $post_id
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*
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* @return string
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*/
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protected function get_metabox_content( $post_id ) {
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$output = wp_nonce_field( "{$this->metabox}_post_save", "{$this->metabox}_post_nonce", true, false );
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$select = $this->get_select();
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if ( $select ) {
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foreach ( $select as $s ) {
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$output .= $this->do_select( $s, $post_id );
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}
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}
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$checkboxes = $this->get_checkboxes();
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if ( $checkboxes ) {
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foreach ( $checkboxes as $checkbox ) {
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$output .= $this->do_checkbox( $checkbox, $post_id );
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}
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}
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return $output;
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}
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/**
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* Define array of checkboxes to add to post editor featured image.
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* @return array
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* @since 2.5.2
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*/
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protected function get_checkboxes() {
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$checkboxes = array();
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$setting = displayfeaturedimagegenesis_get_setting( 'keep_titles' );
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if ( ! $setting ) {
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$checkboxes[] = array(
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'setting' => $this->move,
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'label' => __( 'Don\'t move the title to overlay the backstretch featured image on this post', 'display-featured-image-genesis' ),
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);
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}
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return $checkboxes;
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}
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/**
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* @return array
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*/
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protected function get_select() {
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$options = array(
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0 => __( 'Content type default', 'display-featured-image-genesis' ),
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1 => __( 'Don\'t display the featured image', 'display-featured-image-genesis' ),
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);
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$image_sizes = apply_filters(
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'displayfeaturedimagegenesis_image_size_choices',
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array(
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'2048x2048' => __( 'Use a banner image if it exists', 'display-featured-image-genesis' ),
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'large' => __( 'Use a large (not banner) image', 'display-featured-image-genesis' ),
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)
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);
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return array(
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array(
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'setting' => $this->disable,
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'label' => __( 'Featured Image Size:', 'display-featured-image-genesis' ),
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'options' => array_merge( $options, $image_sizes ),
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),
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);
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}
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/**
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* Generic function to add a post_meta checkbox
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*
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* @param $args array includes setting and label
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*
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* @param $post_id
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*
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* @return string checkbox label/input
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* @since 2.5.2
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*/
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protected function do_checkbox( $args, $post_id ) {
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$check = get_post_meta( $post_id, $args['setting'], true ) ? 1 : '';
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$output = '<p>';
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$output .= sprintf( '<label for="%s">', $args['setting'] );
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$output .= sprintf( '<input type="checkbox" id="%1$s" name="%1$s" %2$s />%3$s', $args['setting'], checked( $check, 1, false ), $args['label'] );
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$output .= '</label>';
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$output .= '</p>';
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return $output;
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}
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/**
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* @param $args
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* @param $post_id
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*
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* @return string
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*/
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protected function do_select( $args, $post_id ) {
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$value = get_post_meta( $post_id, $args['setting'], true );
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if ( 'displayfeaturedimage_backstretch' === $value ) {
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$value = '2048x2048';
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}
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$output = sprintf(
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'<p><label for="%2$s">%1$s</label><select id="%2$s" name="%2$s">',
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esc_attr( $args['label'] ),
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esc_attr( $args['setting'] )
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);
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foreach ( (array) $args['options'] as $option => $field_label ) {
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$output .= sprintf(
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'<option value="%s" %s>%s</option>',
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esc_attr( $option ),
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selected( $option, $value, false ),
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esc_attr( $field_label )
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);
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}
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$output .= '</select></p>';
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return $output;
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}
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/**
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* Check whether we are on a block editor/Gutenberg screen.
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*
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* @return bool
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*/
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private function is_block_editor() {
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if ( ( function_exists( 'is_gutenberg_page' ) && is_gutenberg_page() ) ) {
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return true;
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}
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$screen = get_current_screen();
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if ( method_exists( $screen, 'is_block_editor' ) && $screen->is_block_editor() ) {
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return true;
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}
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return false;
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}
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/**
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* Update the post meta.
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*
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* @param $post_id
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*/
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public function save_meta( $post_id ) {
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// Bail if we're doing an auto save
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if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
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return;
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}
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// if our nonce isn't there, or we can't verify it, bail
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if ( ! $this->user_can_save( "{$this->metabox}_post_save", "{$this->metabox}_post_nonce" ) ) {
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return;
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}
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// if our current user can't edit this post, bail
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if ( ! current_user_can( 'edit_posts' ) ) {
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return;
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}
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$checkboxes = $this->get_checkboxes();
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foreach ( $checkboxes as $checkbox ) {
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if ( filter_input( INPUT_POST, $checkbox['setting'], FILTER_DEFAULT ) ) {
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update_post_meta( $post_id, $checkbox['setting'], 1 );
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} else {
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delete_post_meta( $post_id, $checkbox['setting'] );
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}
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}
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$select = $this->get_select();
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foreach ( $select as $s ) {
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$value = filter_input( INPUT_POST, $s['setting'], FILTER_DEFAULT );
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$value = is_numeric( $value ) ? (int) $value : esc_attr( $value );
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update_post_meta( $post_id, $s['setting'], $value );
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}
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}
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/**
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* Determines if the user has permission to save the information from the submenu
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* page.
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*
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* @since 1.2.0
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* @access protected
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*
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* @param string $action The name of the action specified on the submenu page
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* @param string $nonce The nonce specified on the submenu page
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*
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* @return bool True if the user has permission to save; false, otherwise.
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* @author Tom McFarlin (https://tommcfarlin.com/save-wordpress-submenu-page-options/)
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*/
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protected function user_can_save( $action, $nonce ) {
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$is_nonce_set = isset( $_POST[ $nonce ] );
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$is_valid_nonce = false;
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if ( $is_nonce_set ) {
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$is_valid_nonce = wp_verify_nonce( $_POST[ $nonce ], $action );
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}
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return ( $is_nonce_set && $is_valid_nonce );
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}
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}
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