mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-06-05 15:08:20 +09:00
Robin Cornett
261c0e1599
Where possible, use the newly registered image size. The original image size will be available to call on for backup, for images uploaded prior to WordPress 5.3.
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 2014-2019 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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$output = sprintf(
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'<p>%1$s<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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