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📄 admin-filters.php	File	8034	Edit Download
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📄 ajax-actions.php	File	151895	Edit Download
📄 bookmark.php	File	11725	Edit Download
📄 class-automatic-upgrader-skin.php	File	3663	Edit Download
📄 class-bulk-plugin-upgrader-skin.php	File	2590	Edit Download
📄 class-bulk-theme-upgrader-skin.php	File	2660	Edit Download
📄 class-bulk-upgrader-skin.php	File	6753	Edit Download
📄 class-core-upgrader.php	File	15191	Edit Download
📄 class-custom-background.php	File	21685	Edit Download
📄 class-custom-image-header.php	File	49287	Edit Download
📄 class-file-upload-upgrader.php	File	4163	Edit Download
📄 class-ftp-pure.php	File	5426	Edit Download
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📄 class-language-pack-upgrader-skin.php	File	2870	Edit Download
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📄 class-wp-application-passwords-list-table.php	File	6949	Edit Download
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📄 class-wp-debug-data.php	File	67592	Edit Download
📄 class-wp-filesystem-base.php	File	24410	Edit Download
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📄 class-wp-filesystem-ftpext.php	File	23255	Edit Download
📄 class-wp-filesystem-ftpsockets.php	File	18479	Edit Download
📄 class-wp-filesystem-ssh2.php	File	23310	Edit Download
📄 class-wp-importer.php	File	7512	Edit Download
📄 class-wp-internal-pointers.php	File	4616	Edit Download
📄 class-wp-links-list-table.php	File	9241	Edit Download
📄 class-wp-list-table-compat.php	File	1497	Edit Download
📄 class-wp-list-table.php	File	53004	Edit Download
📄 class-wp-media-list-table.php	File	25899	Edit Download
📄 class-wp-ms-sites-list-table.php	File	22133	Edit Download
📄 class-wp-ms-themes-list-table.php	File	28438	Edit Download
📄 class-wp-ms-users-list-table.php	File	15719	Edit Download
📄 class-wp-plugin-install-list-table.php	File	25127	Edit Download
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📄 class-wp-post-comments-list-table.php	File	1453	Edit Download
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📄 class-wp-privacy-data-export-requests-list-table.php	File	5563	Edit Download
📄 class-wp-privacy-data-removal-requests-list-table.php	File	5715	Edit Download
📄 class-wp-privacy-policy-content.php	File	32665	Edit Download
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📄 class-wp-theme-install-list-table.php	File	15599	Edit Download
📄 class-wp-themes-list-table.php	File	10388	Edit Download
📄 class-wp-upgrader-skin.php	File	7110	Edit Download
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📄 class-wp-users-list-table.php	File	19058	Edit Download
📄 comment.php	File	6231	Edit Download
📄 continents-cities.php	File	20540	Edit Download
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📄 image-edit.php	File	44157	Edit Download
📄 image.php	File	42736	Edit Download
📄 import.php	File	6617	Edit Download
📄 list-table.php	File	3802	Edit Download
📄 media.php	File	119100	Edit Download
📄 menu.php	File	9618	Edit Download
📄 meta-boxes.php	File	65886	Edit Download
📄 misc.php	File	45804	Edit Download
📄 ms-admin-filters.php	File	1296	Edit Download
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📄 nav-menu.php	File	50017	Edit Download
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📄 plugin-install.php	File	39177	Edit Download
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📄 post.php	File	82324	Edit Download
📄 privacy-tools.php	File	33457	Edit Download
📄 revision.php	File	16569	Edit Download
📄 schema.php	File	45529	Edit Download
📄 screen.php	File	6378	Edit Download
📄 taxonomy.php	File	8423	Edit Download
📄 template.php	File	99287	Edit Download
📄 theme-install.php	File	6990	Edit Download
📄 theme.php	File	47742	Edit Download
📄 translation-install.php	File	11075	Edit Download
📄 update-core.php	File	70475	Edit Download
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📄 user.php	File	23532	Edit Download
📄 widgets.php	File	10912	Edit Download

📝 Editing: class-custom-background.php Size: 21,685 bytes Lines: 652 Type: .php

<?php
/**
 * The custom background script.
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * The custom background class.
 *
 * @since 3.0.0
 */
#[AllowDynamicProperties]
class Custom_Background {

/**
	 * Callback for administration header.
	 *
	 * @since 3.0.0
	 * @var callable
	 */
	public $admin_header_callback;

/**
	 * Callback for header div.
	 *
	 * @since 3.0.0
	 * @var callable
	 */
	public $admin_image_div_callback;

/**
	 * Used to trigger a success message when settings updated and set to true.
	 *
	 * @since 3.0.0
	 * @var bool
	 */
	private $updated;

/**
	 * Constructor - Registers administration header callback.
	 *
	 * @since 3.0.0
	 *
	 * @param callable $admin_header_callback    Optional. Administration header callback.
	 *                                           Default empty string.
	 * @param callable $admin_image_div_callback Optional. Custom image div output callback.
	 *                                           Default empty string.
	 */
	public function __construct( $admin_header_callback = '', $admin_image_div_callback = '' ) {
		$this->admin_header_callback    = $admin_header_callback;
		$this->admin_image_div_callback = $admin_image_div_callback;

add_action( 'admin_menu', array( $this, 'init' ) );

add_action( 'wp_ajax_custom-background-add', array( $this, 'ajax_background_add' ) );

// Unused since 3.5.0.
		add_action( 'wp_ajax_set-background-image', array( $this, 'wp_set_background_image' ) );
	}

/**
	 * Sets up the hooks for the Custom Background admin page.
	 *
	 * @since 3.0.0
	 */
	public function init() {
		$page = add_theme_page(
			_x( 'Background', 'custom background' ),
			_x( 'Background', 'custom background' ),
			'edit_theme_options',
			'custom-background',
			array( $this, 'admin_page' )
		);

if ( ! $page ) {
			return;
		}

add_action( "load-{$page}", array( $this, 'admin_load' ) );
		add_action( "load-{$page}", array( $this, 'take_action' ), 49 );
		add_action( "load-{$page}", array( $this, 'handle_upload' ), 49 );

if ( $this->admin_header_callback ) {
			add_action( "admin_head-{$page}", $this->admin_header_callback, 51 );
		}
	}

/**
	 * Sets up the enqueue for the CSS & JavaScript files.
	 *
	 * @since 3.0.0
	 */
	public function admin_load() {
		get_current_screen()->add_help_tab(
			array(
				'id'      => 'overview',
				'title'   => __( 'Overview' ),
				'content' =>
					'<p>' . __( 'You can customize the look of your site without touching any of your theme&#8217;s code by using a custom background. Your background can be an image or a color.' ) . '</p>' .
					'<p>' . __( 'To use a background image, simply upload it or choose an image that has already been uploaded to your Media Library by clicking the &#8220;Choose Image&#8221; button. You can display a single instance of your image, or tile it to fill the screen. You can have your background fixed in place, so your site content moves on top of it, or you can have it scroll with your site.' ) . '</p>' .
					'<p>' . __( 'You can also choose a background color by clicking the Select Color button and either typing in a legitimate HTML hex value, e.g. &#8220;#ff0000&#8221; for red, or by choosing a color using the color picker.' ) . '</p>' .
					'<p>' . __( 'Do not forget to click on the Save Changes button when you are finished.' ) . '</p>',
			)
		);

get_current_screen()->set_help_sidebar(
			'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
			'<p>' . __( '<a href="https://codex.wordpress.org/Appearance_Background_Screen">Documentation on Custom Background</a>' ) . '</p>' .
			'<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
		);

wp_enqueue_media();
		wp_enqueue_script( 'custom-background' );
		wp_enqueue_style( 'wp-color-picker' );
	}

/**
	 * Executes custom background modification.
	 *
	 * @since 3.0.0
	 */
	public function take_action() {
		if ( empty( $_POST ) ) {
			return;
		}

if ( isset( $_POST['reset-background'] ) ) {
			check_admin_referer( 'custom-background-reset', '_wpnonce-custom-background-reset' );

remove_theme_mod( 'background_image' );
			remove_theme_mod( 'background_image_thumb' );

$this->updated = true;
			return;
		}

if ( isset( $_POST['remove-background'] ) ) {
			// @todo Uploaded files are not removed here.
			check_admin_referer( 'custom-background-remove', '_wpnonce-custom-background-remove' );

set_theme_mod( 'background_image', '' );
			set_theme_mod( 'background_image_thumb', '' );

$this->updated = true;
			wp_safe_redirect( $_POST['_wp_http_referer'] );
			return;
		}

if ( isset( $_POST['background-preset'] ) ) {
			check_admin_referer( 'custom-background' );

if ( in_array( $_POST['background-preset'], array( 'default', 'fill', 'fit', 'repeat', 'custom' ), true ) ) {
				$preset = $_POST['background-preset'];
			} else {
				$preset = 'default';
			}

set_theme_mod( 'background_preset', $preset );
		}

if ( isset( $_POST['background-position'] ) ) {
			check_admin_referer( 'custom-background' );

$position = explode( ' ', $_POST['background-position'] );

if ( in_array( $position[0], array( 'left', 'center', 'right' ), true ) ) {
				$position_x = $position[0];
			} else {
				$position_x = 'left';
			}

if ( in_array( $position[1], array( 'top', 'center', 'bottom' ), true ) ) {
				$position_y = $position[1];
			} else {
				$position_y = 'top';
			}

set_theme_mod( 'background_position_x', $position_x );
			set_theme_mod( 'background_position_y', $position_y );
		}

if ( isset( $_POST['background-size'] ) ) {
			check_admin_referer( 'custom-background' );

if ( in_array( $_POST['background-size'], array( 'auto', 'contain', 'cover' ), true ) ) {
				$size = $_POST['background-size'];
			} else {
				$size = 'auto';
			}

set_theme_mod( 'background_size', $size );
		}

if ( isset( $_POST['background-repeat'] ) ) {
			check_admin_referer( 'custom-background' );

$repeat = $_POST['background-repeat'];

if ( 'no-repeat' !== $repeat ) {
				$repeat = 'repeat';
			}

set_theme_mod( 'background_repeat', $repeat );
		}

if ( isset( $_POST['background-attachment'] ) ) {
			check_admin_referer( 'custom-background' );

$attachment = $_POST['background-attachment'];

if ( 'fixed' !== $attachment ) {
				$attachment = 'scroll';
			}

set_theme_mod( 'background_attachment', $attachment );
		}

if ( isset( $_POST['background-color'] ) ) {
			check_admin_referer( 'custom-background' );

$color = preg_replace( '/[^0-9a-fA-F]/', '', $_POST['background-color'] );

if ( strlen( $color ) === 6 || strlen( $color ) === 3 ) {
				set_theme_mod( 'background_color', $color );
			} else {
				set_theme_mod( 'background_color', '' );
			}
		}

$this->updated = true;
	}

/**
	 * Displays the custom background page.
	 *
	 * @since 3.0.0
	 */
	public function admin_page() {
		?>
<div class="wrap" id="custom-background">
<h1><?php _e( 'Custom Background' ); ?></h1>

<?php
		if ( current_user_can( 'customize' ) ) {
			$message = sprintf(
				/* translators: %s: URL to background image configuration in Customizer. */
				__( 'You can now manage and live-preview Custom Backgrounds in the <a href="%s">Customizer</a>.' ),
				admin_url( 'customize.php?autofocus[control]=background_image' )
			);
			wp_admin_notice(
				$message,
				array(
					'type'               => 'info',
					'additional_classes' => array( 'hide-if-no-customize' ),
				)
			);
		}

if ( ! empty( $this->updated ) ) {
			$updated_message = sprintf(
				/* translators: %s: Home URL. */
				__( 'Background updated. <a href="%s">Visit your site</a> to see how it looks.' ),
				esc_url( home_url( '/' ) )
			);
			wp_admin_notice(
				$updated_message,
				array(
					'id'                 => 'message',
					'additional_classes' => array( 'updated' ),
				)
			);
		}
		?>

<table class="form-table" role="presentation">
<tbody>
<tr>
<th scope="row"><?php _e( 'Preview' ); ?></th>
<td>
		<?php
		if ( $this->admin_image_div_callback ) {
			call_user_func( $this->admin_image_div_callback );
		} else {
			$background_styles = '';
			$bgcolor           = get_background_color();
			if ( $bgcolor ) {
				$background_styles .= 'background-color: ' . maybe_hash_hex_color( $bgcolor ) . ';';
			}

$background_image_thumb = get_background_image();
			if ( $background_image_thumb ) {
				$background_image_thumb = esc_url( set_url_scheme( get_theme_mod( 'background_image_thumb', str_replace( '%', '%%', $background_image_thumb ) ) ) );
				$background_position_x  = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) );
				$background_position_y  = get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) );
				$background_size        = get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) );
				$background_repeat      = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) );
				$background_attachment  = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) );

// Background-image URL must be single quote, see below.
				$background_styles .= " background-image: url('$background_image_thumb');"
				. " background-size: $background_size;"
				. " background-position: $background_position_x $background_position_y;"
				. " background-repeat: $background_repeat;"
				. " background-attachment: $background_attachment;";
			}
			?>
	<div id="custom-background-image" style="<?php echo $background_styles; ?>"><?php // Must be double quote, see above. ?>
			<?php if ( $background_image_thumb ) { ?>
		<img class="custom-background-image" src="<?php echo $background_image_thumb; ?>" style="visibility:hidden;" alt="" /><br />
		<img class="custom-background-image" src="<?php echo $background_image_thumb; ?>" style="visibility:hidden;" alt="" />
		<?php } ?>
	</div>
	<?php } ?>
</td>
</tr>

<?php if ( get_background_image() ) : ?>
<tr>
<th scope="row"><?php _e( 'Remove Image' ); ?></th>
<td>
<form method="post">
			<?php wp_nonce_field( 'custom-background-remove', '_wpnonce-custom-background-remove' ); ?>
			<?php submit_button( __( 'Remove Background Image' ), '', 'remove-background', false ); ?><br />
			<?php _e( 'This will remove the background image. You will not be able to restore any customizations.' ); ?>
</form>
</td>
</tr>
		<?php endif; ?>

<?php $default_image = get_theme_support( 'custom-background', 'default-image' ); ?>
		<?php if ( $default_image && get_background_image() !== $default_image ) : ?>
<tr>
<th scope="row"><?php _e( 'Restore Original Image' ); ?></th>
<td>
<form method="post">
			<?php wp_nonce_field( 'custom-background-reset', '_wpnonce-custom-background-reset' ); ?>
			<?php submit_button( __( 'Restore Original Image' ), '', 'reset-background', false ); ?><br />
			<?php _e( 'This will restore the original background image. You will not be able to restore any customizations.' ); ?>
</form>
</td>
</tr>
		<?php endif; ?>

<?php if ( current_user_can( 'upload_files' ) ) : ?>
<tr>
<th scope="row"><?php _e( 'Select Image' ); ?></th>
<td><form enctype="multipart/form-data" id="upload-form" class="wp-upload-form" method="post">
	<p>
		<label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br />
		<input type="file" id="upload" name="import" />
		<input type="hidden" name="action" value="save" />
			<?php wp_nonce_field( 'custom-background-upload', '_wpnonce-custom-background-upload' ); ?>
			<?php submit_button( _x( 'Upload', 'verb' ), '', 'submit', false ); ?>
	</p>
	<p>
		<label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br />
		<button id="choose-from-library-link" class="button"
			data-choose="<?php esc_attr_e( 'Choose a Background Image' ); ?>"
			data-update="<?php esc_attr_e( 'Set as background' ); ?>"><?php _e( 'Choose Image' ); ?></button>
	</p>
	</form>
</td>
</tr>
		<?php endif; ?>
</tbody>
</table>

<?php
			$background_position_title = __( 'Image Position' );

$background_position = sprintf(
				'%s %s',
				get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ),
				get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) )
			);

$background_position_options = array(
				array(
					'left top'   => array(
						'label' => __( 'Top Left' ),
						'icon'  => 'dashicons dashicons-arrow-left-alt',
					),
					'center top' => array(
						'label' => __( 'Top' ),
						'icon'  => 'dashicons dashicons-arrow-up-alt',
					),
					'right top'  => array(
						'label' => __( 'Top Right' ),
						'icon'  => 'dashicons dashicons-arrow-right-alt',
					),
				),
				array(
					'left center'   => array(
						'label' => __( 'Left' ),
						'icon'  => 'dashicons dashicons-arrow-left-alt',
					),
					'center center' => array(
						'label' => __( 'Center' ),
						'icon'  => 'background-position-center-icon',
					),
					'right center'  => array(
						'label' => __( 'Right' ),
						'icon'  => 'dashicons dashicons-arrow-right-alt',
					),
				),
				array(
					'left bottom'   => array(
						'label' => __( 'Bottom Left' ),
						'icon'  => 'dashicons dashicons-arrow-left-alt',
					),
					'center bottom' => array(
						'label' => __( 'Bottom' ),
						'icon'  => 'dashicons dashicons-arrow-down-alt',
					),
					'right bottom'  => array(
						'label' => __( 'Bottom Right' ),
						'icon'  => 'dashicons dashicons-arrow-right-alt',
					),
				),
			);
			?>
<tr>
<th scope="row"><?php echo $background_position_title; ?></th>
<td><fieldset><legend class="screen-reader-text"><span><?php echo $background_position_title; ?></span></legend>
<div class="background-position-control">
			<?php foreach ( $background_position_options as $group ) : ?>
	<div class="button-group">
				<?php foreach ( $group as $value => $input ) : ?>
		<label>
			<input class="ui-helper-hidden-accessible" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>"<?php checked( $value, $background_position ); ?>>
			<span class="button display-options position"><span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true"></span></span>
			<span class="screen-reader-text"><?php echo $input['label']; ?></span>
		</label>
	<?php endforeach; ?>
	</div>
<?php endforeach; ?>
</div>
</fieldset></td>
</tr>

<?php $image_size_title = __( 'Image Size' ); ?>
<tr>
<th scope="row"><label for="background-size"><?php echo $image_size_title; ?></label></th>
<td><fieldset><legend class="screen-reader-text"><span><?php echo $image_size_title; ?></span></legend>
<select id="background-size" name="background-size">
<option value="auto"<?php selected( 'auto', get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ) ); ?>><?php _ex( 'Original', 'Original Size' ); ?></option>
<option value="contain"<?php selected( 'contain', get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ) ); ?>><?php _e( 'Fit to Screen' ); ?></option>
<option value="cover"<?php selected( 'cover', get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ) ); ?>><?php _e( 'Fill Screen' ); ?></option>
</select>
</fieldset></td>
</tr>

<?php $background_repeat_title = _x( 'Repeat', 'Background Repeat' ); ?>
<tr>
<th scope="row"><?php echo $background_repeat_title; ?></th>
<td><fieldset><legend class="screen-reader-text"><span><?php echo $background_repeat_title; ?></span></legend>
<input name="background-repeat" type="hidden" value="no-repeat">
<label><input type="checkbox" name="background-repeat" value="repeat"<?php checked( 'repeat', get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ) ); ?>> <?php _e( 'Repeat Background Image' ); ?></label>
</fieldset></td>
</tr>

<?php $background_scroll_title = _x( 'Scroll', 'Background Scroll' ); ?>
<tr>
<th scope="row"><?php echo $background_scroll_title; ?></th>
<td><fieldset><legend class="screen-reader-text"><span><?php echo $background_scroll_title; ?></span></legend>
<input name="background-attachment" type="hidden" value="fixed">
<label><input name="background-attachment" type="checkbox" value="scroll" <?php checked( 'scroll', get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) ) ); ?>> <?php _e( 'Scroll with Page' ); ?></label>
</fieldset></td>
</tr>
<?php endif; // get_background_image() ?>

<?php $background_color_title = __( 'Background Color' ); ?>
<tr>
<th scope="row"><?php echo $background_color_title; ?></th>
<td><fieldset><legend class="screen-reader-text"><span><?php echo $background_color_title; ?></span></legend>
		<?php
		$default_color = '';
		if ( current_theme_supports( 'custom-background', 'default-color' ) ) {
			$default_color = ' data-default-color="#' . esc_attr( get_theme_support( 'custom-background', 'default-color' ) ) . '"';
		}
		?>
<input type="text" name="background-color" id="background-color" value="#<?php echo esc_attr( get_background_color() ); ?>"<?php echo $default_color; ?>>
</fieldset></td>
</tr>
</tbody>
</table>

<?php wp_nonce_field( 'custom-background' ); ?>
		<?php submit_button( null, 'primary', 'save-background-options' ); ?>
</form>

</div>
		<?php
	}

/**
	 * Handles an Image upload for the background image.
	 *
	 * @since 3.0.0
	 */
	public function handle_upload() {
		if ( empty( $_FILES ) ) {
			return;
		}

check_admin_referer( 'custom-background-upload', '_wpnonce-custom-background-upload' );

$overrides = array( 'test_form' => false );

$uploaded_file = $_FILES['import'];
		$wp_filetype   = wp_check_filetype_and_ext( $uploaded_file['tmp_name'], $uploaded_file['name'] );
		if ( ! wp_match_mime_types( 'image', $wp_filetype['type'] ) ) {
			wp_die( __( 'The uploaded file is not a valid image. Please try again.' ) );
		}

$file = wp_handle_upload( $uploaded_file, $overrides );

if ( isset( $file['error'] ) ) {
			wp_die( $file['error'] );
		}

$url      = $file['url'];
		$type     = $file['type'];
		$file     = $file['file'];
		$filename = wp_basename( $file );

// Construct the attachment array.
		$attachment = array(
			'post_title'     => $filename,
			'post_content'   => $url,
			'post_mime_type' => $type,
			'guid'           => $url,
			'context'        => 'custom-background',
		);

// Save the data.
		$id = wp_insert_attachment( $attachment, $file );

// Add the metadata.
		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
		update_post_meta( $id, '_wp_attachment_is_custom_background', get_option( 'stylesheet' ) );

set_theme_mod( 'background_image', sanitize_url( $url ) );

$thumbnail = wp_get_attachment_image_src( $id, 'thumbnail' );
		set_theme_mod( 'background_image_thumb', sanitize_url( $thumbnail[0] ) );

/** This filter is documented in wp-admin/includes/class-custom-image-header.php */
		$file = apply_filters( 'wp_create_file_in_uploads', $file, $id ); // For replication.

$this->updated = true;
	}

/**
	 * Handles Ajax request for adding custom background context to an attachment.
	 *
	 * Triggers when the user adds a new background image from the
	 * Media Manager.
	 *
	 * @since 4.1.0
	 */
	public function ajax_background_add() {
		check_ajax_referer( 'background-add', 'nonce' );

if ( ! current_user_can( 'edit_theme_options' ) ) {
			wp_send_json_error();
		}

$attachment_id = absint( $_POST['attachment_id'] );
		if ( $attachment_id < 1 ) {
			wp_send_json_error();
		}

update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', get_stylesheet() );

wp_send_json_success();
	}

/**
	 * @since 3.4.0
	 * @deprecated 3.5.0
	 *
	 * @param array $form_fields
	 * @return array $form_fields
	 */
	public function attachment_fields_to_edit( $form_fields ) {
		return $form_fields;
	}

/**
	 * @since 3.4.0
	 * @deprecated 3.5.0
	 *
	 * @param array $tabs
	 * @return array $tabs
	 */
	public function filter_upload_tabs( $tabs ) {
		return $tabs;
	}

/**
	 * @since 3.4.0
	 * @deprecated 3.5.0
	 */
	public function wp_set_background_image() {
		check_ajax_referer( 'custom-background' );

if ( ! current_user_can( 'edit_theme_options' ) || ! isset( $_POST['attachment_id'] ) ) {
			exit;
		}

$attachment_id = absint( $_POST['attachment_id'] );

$sizes = array_keys(
			/** This filter is documented in wp-admin/includes/media.php */
			apply_filters(
				'image_size_names_choose',
				array(
					'thumbnail' => __( 'Thumbnail' ),
					'medium'    => __( 'Medium' ),
					'large'     => __( 'Large' ),
					'full'      => __( 'Full Size' ),
				)
			)
		);

$size = 'thumbnail';
		if ( in_array( $_POST['size'], $sizes, true ) ) {
			$size = esc_attr( $_POST['size'] );
		}

update_post_meta( $attachment_id, '_wp_attachment_is_custom_background', get_option( 'stylesheet' ) );

$url       = wp_get_attachment_image_src( $attachment_id, $size );
		$thumbnail = wp_get_attachment_image_src( $attachment_id, 'thumbnail' );
		set_theme_mod( 'background_image', sanitize_url( $url[0] ) );
		set_theme_mod( 'background_image_thumb', sanitize_url( $thumbnail[0] ) );
		exit;
	}
}

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