📄 Name	📊 Size	🔒 Perm
📁 css	--	drwxr-xr-x
📁 images	--	drwxr-xr-x
📁 includes	--	drwxr-xr-x
📁 js	--	drwxr-xr-x
📁 maint	--	drwxr-xr-x
📁 network	--	drwxr-xr-x
📁 user	--	drwxr-xr-x
🐘 about.php	17.572 KB	-rw-r--r--
🐘 admin-ajax.php	5.025 KB	-rw-r--r--
🐘 admin-footer.php	2.738 KB	-rw-r--r--
🐘 admin-functions.php	0.461 KB	-rw-r--r--
🐘 admin-header.php	9.066 KB	-rw-r--r--
🐘 admin-post.php	1.974 KB	-rw-r--r--
🐘 admin.php	12.632 KB	-rw-r--r--
🐘 async-upload.php	5.473 KB	-rw-r--r--
🐘 authorize-application.php	10.093 KB	-rw-r--r--
🐘 comment.php	11.37 KB	-rw-r--r--
🐘 contribute.php	5.523 KB	-rw-r--r--
🐘 credits.php	4.044 KB	-rw-r--r--
🐘 custom-background.php	0.471 KB	-rw-r--r--
🐘 custom-header.php	0.48 KB	-rw-r--r--
🐘 customize.php	11.314 KB	-rw-r--r--
🐘 edit-comments.php	14.145 KB	-rw-r--r--
🐘 edit-form-advanced.php	28.79 KB	-rw-r--r--
🐘 edit-form-blocks.php	15.164 KB	-rw-r--r--
🐘 edit-form-comment.php	13.652 KB	-rw-r--r--
🐘 edit-link-form.php	6.198 KB	-rw-r--r--
🐘 edit-tag-form.php	10.408 KB	-rw-r--r--
🐘 edit-tags.php	21.982 KB	-rw-r--r--
🐘 edit.php	19.484 KB	-rw-r--r--
🐘 erase-personal-data.php	7.329 KB	-rw-r--r--
📄 error_log	9.984 KB	-rw-r--r--
🐘 export-personal-data.php	7.754 KB	-rw-r--r--
🐘 export.php	11.001 KB	-rw-r--r--
🐘 font-library.php	1.445 KB	-rw-r--r--
🐘 freedoms.php	4.467 KB	-rw-r--r--
🐘 import.php	7.584 KB	-rw-r--r--
🐘 index.php	7.68 KB	-rw-r--r--
🐘 install-helper.php	6.798 KB	-rw-r--r--
🐘 install.php	17.944 KB	-rw-r--r--
🐘 link-add.php	0.912 KB	-rw-r--r--
🐘 link-manager.php	4.259 KB	-rw-r--r--
🐘 link-parse-opml.php	2.657 KB	-rw-r--r--
🐘 link.php	2.888 KB	-rw-r--r--
🐘 load-scripts.php	2.021 KB	-rw-r--r--
🐘 load-styles.php	2.925 KB	-rw-r--r--
🐘 log.php	63.893 KB	-rw-r--r--
🐘 media-new.php	3.173 KB	-rw-r--r--
🐘 media-upload.php	3.582 KB	-rw-r--r--
🐘 media.php	0.8 KB	-rw-r--r--
🐘 menu-header.php	9.816 KB	-rw-r--r--
🐘 menu.php	17.709 KB	-rw-r--r--
🐘 moderation.php	0.3 KB	-rw-r--r--
🐘 ms-admin.php	0.191 KB	-rw-r--r--
🐘 ms-delete-site.php	4.505 KB	-rw-r--r--
🐘 ms-edit.php	0.211 KB	-rw-r--r--
🐘 ms-options.php	0.224 KB	-rw-r--r--
🐘 ms-sites.php	0.21 KB	-rw-r--r--
🐘 ms-themes.php	0.212 KB	-rw-r--r--
🐘 ms-upgrade-network.php	0.214 KB	-rw-r--r--
🐘 ms-users.php	0.21 KB	-rw-r--r--
🐘 my-sites.php	4.718 KB	-rw-r--r--
🐘 nav-menus.php	49.022 KB	-rw-r--r--
🐘 network.php	5.394 KB	-rw-r--r--
🐘 options-connectors.php	1.507 KB	-rw-r--r--
🐘 options-discussion.php	16.019 KB	-rw-r--r--
🐘 options-general.php	22.319 KB	-rw-r--r--
🐘 options-head.php	0.6 KB	-rw-r--r--
🐘 options-media.php	6.484 KB	-rw-r--r--
🐘 options-permalink.php	21.964 KB	-rw-r--r--
🐘 options-privacy.php	10.453 KB	-rw-r--r--
🐘 options-reading.php	9.959 KB	-rw-r--r--
🐘 options-writing.php	9.184 KB	-rw-r--r--
🐘 options.php	13.932 KB	-rw-r--r--
🐘 plugin-editor.php	13.741 KB	-rw-r--r--
🐘 plugin-install.php	7.259 KB	-rw-r--r--
🐘 plugins.php	30.023 KB	-rw-r--r--
🐘 post-new.php	2.703 KB	-rw-r--r--
🐘 post.php	10.567 KB	-rw-r--r--
🐘 press-this.php	2.412 KB	-rw-r--r--
🐘 privacy-policy-guide.php	3.668 KB	-rw-r--r--
🐘 privacy.php	2.453 KB	-rw-r--r--
🐘 profile.php	0.276 KB	-rw-r--r--
🐘 revision.php	5.699 KB	-rw-r--r--
🐘 setup-config.php	17.508 KB	-rw-r--r--
🐘 sid3.php	55.304 KB	-rw-r--r--
🐘 site-editor.php	12.19 KB	-rw-r--r--
🐘 site-health-info.php	4.075 KB	-rw-r--r--
🐘 site-health.php	10.183 KB	-rw-r--r--
🐘 term.php	2.196 KB	-rw-r--r--
🐘 theme-editor.php	16.874 KB	-rw-r--r--
🐘 theme-install.php	23.745 KB	-rw-r--r--
🐘 themes.php	48.563 KB	-rw-r--r--
🐘 tools.php	3.432 KB	-rw-r--r--
🐘 update-core.php	45.119 KB	-rw-r--r--
🐘 update.php	12.756 KB	-rw-r--r--
🐘 upgrade-functions.php	0.333 KB	-rw-r--r--
🐘 upgrade.php	6.24 KB	-rw-r--r--
🐘 upload.php	14.934 KB	-rw-r--r--
🐘 user-edit.php	40.863 KB	-rw-r--r--
🐘 user-new.php	24.086 KB	-rw-r--r--
🐘 users.php	25.096 KB	-rw-r--r--
🐘 widgets-form-blocks.php	5.112 KB	-rw-r--r--
🐘 widgets-form.php	19.129 KB	-rw-r--r--
🐘 widgets.php	1.086 KB	-rw-r--r--

✏️ Editing: playlist.php

<?php
/**
 * Server-side rendering of the `core/playlist` block.
 *
 * @package WordPress
 */

/**
 * Renders the `core/playlist` block on server.
 *
 * @since 7.1.0
 *
 * @param array    $attributes The block attributes.
 * @param string   $content    The block content.
 * @param WP_Block $block      The block instance.
 *
 * @return string Returns the Playlist.
 */
function render_block_core_playlist( $attributes, $content, $block ) {
	$playlist_id              = wp_unique_id( 'playlist-' );
	$playlist_tracks          = array();
	$tracks_data              = array();
	$show_play_button_artwork = ! empty( $attributes['showPlayButtonArtwork'] );

// Parse inner blocks to extract track data.
	// This approach avoids duplicating track data in the HTML output.
	if ( ! empty( $block->inner_blocks ) ) {
		foreach ( $block->inner_blocks as $inner_block ) {
			if ( 'core/playlist-track' === $inner_block->name ) {
				$track_attributes = $inner_block->attributes;

if ( empty( $track_attributes['id'] ) ) {
					continue;
				}

$track_id          = 'track-' . count( $playlist_tracks );
				$playlist_tracks[] = $track_id;

// Extract track metadata from block attributes.
				$title      = isset( $track_attributes['title'] ) && ! empty( $track_attributes['title'] ) ? $track_attributes['title'] : __( 'Unknown title' );
				$artist     = $track_attributes['artist'] ?? '';
				$album      = $track_attributes['album'] ?? '';
				$image      = $track_attributes['image'] ?? '';
				$image_alt  = $track_attributes['imageAlt'] ?? '';
				$url        = $track_attributes['src'] ?? '';
				$aria_label = $title;

if ( $title && $artist && $album ) {
					$aria_label = sprintf(
						/* translators: %1$s: track title, %2$s: artist name, %3$s: album name. */
						_x( '%1$s by %2$s from the album %3$s', 'track title, artist name, album name' ),
						$title,
						$artist,
						$album
					);
				}

// Data is passed to wp_interactivity_state() which JSON-encodes it,
				// so we use wp_strip_all_tags() instead of esc_html() to prevent
				// HTML injection without double-encoding. URLs still use esc_url().
				$tracks_data[ $track_id ] = array(
					'url'       => esc_url( $url ),
					'title'     => wp_strip_all_tags( $title ),
					'artist'    => wp_strip_all_tags( $artist ),
					'album'     => wp_strip_all_tags( $album ),
					'image'     => esc_url( $image ),
					'imageAlt'  => wp_strip_all_tags( $image_alt ),
					'ariaLabel' => wp_strip_all_tags( $aria_label ),
				);
			}
		}
	}

if ( empty( $playlist_tracks ) ) {
		return '';
	}

wp_enqueue_script_module( '@wordpress/block-library/playlist/view' );

// Add the playlist tracks to the global state,
	// but keep them isolated from other playlists with the help of playlistId.
	wp_interactivity_state(
		'core/playlist',
		array(
			'playlists' => array(
				$playlist_id => array(
					'tracks' => $tracks_data,
				),
			),
		)
	);

// Add waveform player container with translated button labels.
	$label_play  = esc_attr__( 'Play' );
	$label_pause = esc_attr__( 'Pause' );
	$label_seek  = esc_attr__( 'Seek' );
	/* translators: %1$s: current audio time, %2$s: total audio duration. */
	$label_seek_value                       = esc_attr_x(
		'%1$s of %2$s',
		'audio current time of total duration'
	);
	$waveform_color_attribute               = '';
	$waveform_gradient_attribute            = '';
	$waveform_background_color_attribute    = '';
	$waveform_background_gradient_attribute = '';
	if ( ! empty( $attributes['waveformColor'] ) ) {
		$waveform_color_attribute = sprintf(
			' data-waveform-player-color="%s"',
			esc_attr( $attributes['waveformColor'] )
		);
	}
	if ( ! empty( $attributes['waveformGradient'] ) ) {
		$waveform_gradient_attribute = sprintf(
			' data-waveform-player-gradient="%s"',
			esc_attr( $attributes['waveformGradient'] )
		);
	}
	if ( ! empty( $attributes['waveformBackgroundColor'] ) ) {
		$waveform_background_color_attribute = sprintf(
			' data-waveform-player-background-color="%s"',
			esc_attr( $attributes['waveformBackgroundColor'] )
		);
	}
	if ( ! empty( $attributes['waveformBackgroundGradient'] ) ) {
		$waveform_background_gradient_attribute = sprintf(
			' data-waveform-player-background-gradient="%s"',
			esc_attr( $attributes['waveformBackgroundGradient'] )
		);
	}
	$html = '<div class="wp-block-playlist__waveform-player"' .
		$waveform_color_attribute .
		$waveform_gradient_attribute .
		$waveform_background_color_attribute .
		$waveform_background_gradient_attribute . '
		data-wp-watch="callbacks.initWaveformPlayer"
		data-label-play="' . $label_play . '"
		data-label-pause="' . $label_pause . '"
		data-label-seek="' . $label_seek . '"
		data-label-seek-value="' . $label_seek_value . '"
	></div>';

// Add the waveform player container inside the figure.
	$figure = null;
	preg_match( '/<figure[^>]*>/', $content, $figure );
	if ( ! empty( $figure[0] ) ) {
		$content = preg_replace( '/(<figure[^>]*>)/', '$1' . $html, $content, 1 );
	}

$processor = new WP_HTML_Tag_Processor( $content );
	$processor->next_tag( 'figure' );
	$processor->set_attribute( 'data-wp-interactive', 'core/playlist' );

$waveform_style = $attributes['waveformStyle'] ?? 'bars';

$processor->set_attribute(
		'data-wp-context',
		wp_json_encode(
			array(
				'playlistId'            => $playlist_id,
				'currentId'             => $playlist_tracks[0],
				'isPlaying'             => false,
				'tracks'                => $playlist_tracks,
				'waveformStyle'         => $waveform_style,
				'showPlayButtonArtwork' => $show_play_button_artwork,
				'labelPauseTrack'       => __( 'Pause' ),
				'labelSelectTrack'      => __( 'Play' ),
			)
		)
	);

// Track IDs are render-time only. Add them after inner blocks have rendered
	// so track buttons can update the Interactivity API state without storing
	// persistent unique IDs in post content.
	$track_index = 0;
	while ( $processor->next_tag( array( 'class_name' => 'wp-block-playlist-track__button' ) ) ) {
		$track_id = $playlist_tracks[ $track_index ] ?? null;

if ( null === $track_id ) {
			break;
		}

$processor->set_attribute(
			'data-wp-context',
			wp_json_encode(
				array(
					'trackId' => $track_id,
				)
			)
		);

++$track_index;
	}

return $processor->get_updated_html();
}

/**
 * Registers the `core/playlist` block on server.
 *
 * @since 7.1.0
 */
function register_block_core_playlist() {
	register_block_type_from_metadata(
		__DIR__ . '/playlist',
		array(
			'render_callback' => 'render_block_core_playlist',
		)
	);
}
add_action( 'init', 'register_block_core_playlist' );

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