以对话框的形式显示插件信息。

function install_plugin_information() {
	global $tab;

	if ( empty( $_REQUEST['plugin'] ) ) {
		return;
	}

	$api = plugins_api(
		'plugin_information',
		array(
			'slug' => wp_unslash( $_REQUEST['plugin'] ),
		)
	);

	if ( is_wp_error( $api ) ) {
		wp_die( $api );
	}

	$plugins_allowedtags = array(
		'a'          => array(
			'href'   => array(),
			'title'  => array(),
			'target' => array(),
		),
		'abbr'       => array( 'title' => array() ),
		'acronym'    => array( 'title' => array() ),
		'code'       => array(),
		'pre'        => array(),
		'em'         => array(),
		'strong'     => array(),
		'div'        => array( 'class' => array() ),
		'span'       => array( 'class' => array() ),
		'p'          => array(),
		'br'         => array(),
		'ul'         => array(),
		'ol'         => array(),
		'li'         => array(),
		'h1'         => array(),
		'h2'         => array(),
		'h3'         => array(),
		'h4'         => array(),
		'h5'         => array(),
		'h6'         => array(),
		'img'        => array(
			'src'   => array(),
			'class' => array(),
			'alt'   => array(),
		),
		'blockquote' => array( 'cite' => true ),
	);

	$plugins_section_titles = array(
		'description'  => _x( 'Description', 'Plugin installer section title' ),
		'installation' => _x( 'Installation', 'Plugin installer section title' ),
		'faq'          => _x( 'FAQ', 'Plugin installer section title' ),
		'screenshots'  => _x( 'Screenshots', 'Plugin installer section title' ),
		'changelog'    => _x( 'Changelog', 'Plugin installer section title' ),
		'reviews'      => _x( 'Reviews', 'Plugin installer section title' ),
		'other_notes'  => _x( 'Other Notes', 'Plugin installer section title' ),
	);

	// Sanitize HTML.
	foreach ( (array) $api->sections as $section_name => $content ) {
		$api->sections[ $section_name ] = wp_kses( $content, $plugins_allowedtags );
	}

	foreach ( array( 'version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug' ) as $key ) {
		if ( isset( $api->$key ) ) {
			$api->$key = wp_kses( $api->$key, $plugins_allowedtags );
		}
	}

	$_tab = esc_attr( $tab );

	// Default to the Description tab, Do not translate, API returns English.
	$section = isset( $_REQUEST['section'] ) ? wp_unslash( $_REQUEST['section'] ) : 'description';
	if ( empty( $section ) || ! isset( $api->sections[ $section ] ) ) {
		$section_titles = array_keys( (array) $api->sections );
		$section        = reset( $section_titles );
	}

	iframe_header( __( 'Plugin Installation' ) );

	$_with_banner = '';

	if ( ! empty( $api->banners ) && ( ! empty( $api->banners['low'] ) || ! empty( $api->banners['high'] ) ) ) {
		$_with_banner = 'with-banner';
		$low          = empty( $api->banners['low'] ) ? $api->banners['high'] : $api->banners['low'];
		$high         = empty( $api->banners['high'] ) ? $api->banners['low'] : $api->banners['high'];
		?>
		';
	echo "


{$api->name}
";
	echo "
n";

	foreach ( (array) $api->sections as $section_name => $content ) {
		if ( 'reviews' === $section_name && ( empty( $api->ratings ) || 0 === array_sum( (array) $api->ratings ) ) ) {
			continue;
		}

		if ( isset( $plugins_section_titles[ $section_name ] ) ) {
			$title = $plugins_section_titles[ $section_name ];
		} else {
			$title = ucwords( str_replace( '_', ' ', $section_name ) );
		}

		$class       = ( $section_name === $section ) ? ' class="current"' : '';
		$href        = add_query_arg(
			array(
				'tab'     => $tab,
				'section' => $section_name,
			)
		);
		$href        = esc_url( $href );
		$san_section = esc_attr( $section_name );
		echo "t$titlen";
	}

	echo "
n";

	?>

	

		
version ) ) { ?>
				

 version; ?>
			author ) ) { ?>
				

 author, '_blank' ); ?>
			last_updated ) ) { ?>
				


					last_updated ) ) );
					?>
				
			requires ) ) { ?>
				

					
					requires );
					?>
				
			tested ) ) { ?>
				

 tested; ?>
			requires_php ) ) { ?>
				

					
					requires_php );
					?>
				
			active_installs ) ) { ?>
				


				active_installs >= 1000000 ) {
					$active_installs_millions = floor( $api->active_installs / 1000000 );
					printf(
						/* translators: %s: Number of millions. */
						_nx( '%s+ Million', '%s+ Million', $active_installs_millions, 'Active plugin installations' ),
						number_format_i18n( $active_installs_millions )
					);
				} elseif ( $api->active_installs active_installs ) . '+';
				}
				?>
				
			slug ) && empty( $api->external ) ) { ?>
				

			homepage ) ) { ?>
				

			donate_link ) && empty( $api->contributors ) ) { ?>
				

			
rating ) ) { ?>
			

			 $api->rating,
					'type'   => 'percent',
					'number' => $api->num_ratings,
				)
			);
			?>
			

				num_ratings ),
					number_format_i18n( $api->num_ratings )
				);
				?>
			
			ratings ) && array_sum( (array) $api->ratings ) > 0 ) {
			?>
			

			

			ratings as $key => $ratecount ) {
				// Avoid div-by-zero.
				$_rating    = $api->num_ratings ? ( $ratecount / $api->num_ratings ) : 0;
				$aria_label = esc_attr(
					sprintf(
						/* translators: 1: Number of stars (used to determine singular/plural), 2: Number of reviews. */
						_n(
							'Reviews with %1$d star: %2$s. Opens in a new tab.',
							'Reviews with %1$d stars: %2$s. Opens in a new tab.',
							$key
						),
						$key,
						number_format_i18n( $ratecount )
					)
				);
				?>
				

						
							
							
						
					
				
				contributors ) ) {
			?>
			

			
contributors as $contrib_username => $contrib_details ) {
					$contrib_name = $contrib_details['display_name'];
					if ( ! $contrib_name ) {
						$contrib_name = $contrib_username;
					}
					$contrib_name = esc_html( $contrib_name );

					$contrib_profile = esc_url( $contrib_details['profile'] );
					$contrib_avatar  = esc_url( add_query_arg( 's', '36', $contrib_details['avatar'] ) );

					echo "
{$contrib_name}
";
				}
				?>
			
donate_link ) ) { ?>
				
	

	requires_php ) ? $api->requires_php : null;
	$requires_wp  = isset( $api->requires ) ? $api->requires : null;

	$compatible_php = is_php_version_compatible( $requires_php );
	$compatible_wp  = is_wp_version_compatible( $requires_wp );
	$tested_wp      = ( empty( $api->tested ) || version_compare( get_bloginfo( 'version' ), $api->tested, '
';
		_e( 'Error: This plugin requires a newer version of PHP.' );
		if ( current_user_can( 'update_php' ) ) {
			printf(
				/* translators: %s: URL to Update PHP page. */
				' ' . __( 'Click here to learn more about updating PHP.' ),
				esc_url( wp_get_update_php_url() )
			);

			wp_update_php_annotation( '
', '' );
		} else {
			echo '
';
		}
		echo '
';
	}

	if ( ! $tested_wp ) {
		echo '
';
		_e( 'Warning: This plugin has not been tested with your current version of WordPress.' );
		echo '
';
	} elseif ( ! $compatible_wp ) {
		echo '
';
		_e( 'Error: This plugin requires a newer version of WordPress.' );
		if ( current_user_can( 'update_core' ) ) {
			printf(
				/* translators: %s: URL to WordPress Updates screen. */
				' ' . __( 'Click here to update WordPress.' ),
				esc_url( self_admin_url( 'update-core.php' ) )
			);
		}
		echo '
';
	}

	foreach ( (array) $api->sections as $section_name => $content ) {
		$content = links_add_base_url( $content, 'https://wordpress.org/plugins/' . $api->slug . '/' );
		$content = links_add_target( $content, '_blank' );

		$san_section = esc_attr( $section_name );

		$display = ( $section_name === $section ) ? 'block' : 'none';

		echo "t
n";
		echo $content;
		echo "t
n";
	}
	echo "
n";
	echo "