allows hosts to send users directly to * the page where they can update their site to use HTTPS. * * @since 5.7.0 * * @return string URL for directly updating to HTTPS or empty string. */ function wp_get_direct_update_https_url() { $direct_update_url = ''; if ( false !== getenv( 'WP_DIRECT_UPDATE_HTTPS_URL' ) ) { $direct_update_url = getenv( 'WP_DIRECT_UPDATE_HTTPS_URL' ); } /** * Filters the URL for directly updating the PHP version the site is running on from the host. * * @since 5.7.0 * * @param string $direct_update_url URL for directly updating PHP. */ $direct_update_url = apply_filters( 'wp_direct_update_https_url', $direct_update_url ); return $direct_update_url; } /** * Gets the size of a directory. * * A helper function that is used primarily to check whether * a blog has exceeded its allowed upload space. * * @since MU (3.0.0) * @since 5.2.0 $max_execution_time parameter added. * * @param string $directory Full path of a directory. * @param int $max_execution_time Maximum time to run before giving up. In seconds. * The timeout is global and is measured from the moment WordPress started to load. * @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout. */ function get_dirsize( $directory, $max_execution_time = null ) { /* * Exclude individual site directories from the total when checking the main site of a network, * as they are subdirectories and should not be counted. */ if ( is_multisite() && is_main_site() ) { $size = recurse_dirsize( $directory, $directory . '/sites', $max_execution_time ); } else { $size = recurse_dirsize( $directory, null, $max_execution_time ); } return $size; } /** * Gets the size of a directory recursively. * * Used by get_dirsize() to get a directory size when it contains other directories. * * @since MU (3.0.0) * @since 4.3.0 The `$exclude` parameter was added. * @since 5.2.0 The `$max_execution_time` parameter was added. * @since 5.6.0 The `$directory_cache` parameter was added. * * @param string $directory Full path of a directory. * @param string|string[] $exclude Optional. Full path of a subdirectory to exclude from the total, * or array of paths. Expected without trailing slash(es). * Default null. * @param int $max_execution_time Optional. Maximum time to run before giving up. In seconds. * The timeout is global and is measured from the moment * WordPress started to load. Defaults to the value of * `max_execution_time` PHP setting. * @param array $directory_cache Optional. Array of cached directory paths. * Defaults to the value of `dirsize_cache` transient. * @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout. */ function recurse_dirsize( $directory, $exclude = null, $max_execution_time = null, &$directory_cache = null ) { $directory = untrailingslashit( $directory ); $save_cache = false; if ( ! isset( $directory_cache ) ) { $directory_cache = get_transient( 'dirsize_cache' ); $save_cache = true; } if ( isset( $directory_cache[ $directory ] ) && is_int( $directory_cache[ $directory ] ) ) { return $directory_cache[ $directory ]; } if ( ! file_exists( $directory ) || ! is_dir( $directory ) || ! is_readable( $directory ) ) { return false; } if ( ( is_string( $exclude ) && $directory === $exclude ) || ( is_array( $exclude ) && in_array( $directory, $exclude, true ) ) ) { return false; } if ( null === $max_execution_time ) { // Keep the previous behavior but attempt to prevent fatal errors from timeout if possible. if ( function_exists( 'ini_get' ) ) { $max_execution_time = ini_get( 'max_execution_time' ); } else { // Disable... $max_execution_time = 0; } // Leave 1 second "buffer" for other operations if $max_execution_time has reasonable value. if ( $max_execution_time > 10 ) { $max_execution_time -= 1; } } /** * Filters the amount of storage space used by one directory and all its children, in megabytes. * * Return the actual used space to short-circuit the recursive PHP file size calculation * and use something else, like a CDN API or native operating system tools for better performance. * * @since 5.6.0 * * @param int|false $space_used The amount of used space, in bytes. Default false. * @param string $directory Full path of a directory. * @param string|string[]|null $exclude Full path of a subdirectory to exclude from the total, * or array of paths. * @param int $max_execution_time Maximum time to run before giving up. In seconds. * @param array $directory_cache Array of cached directory paths. */ $size = apply_filters( 'pre_recurse_dirsize', false, $directory, $exclude, $max_execution_time, $directory_cache ); if ( false === $size ) { $size = 0; $handle = opendir( $directory ); if ( $handle ) { while ( ( $file = readdir( $handle ) ) !== false ) { $path = $directory . '/' . $file; if ( '.' !== $file && '..' !== $file ) { if ( is_file( $path ) ) { $size += filesize( $path ); } elseif ( is_dir( $path ) ) { $handlesize = recurse_dirsize( $path, $exclude, $max_execution_time, $directory_cache ); if ( $handlesize > 0 ) { $size += $handlesize; } } if ( $max_execution_time > 0 && ( microtime( true ) - WP_START_TIMESTAMP ) > $max_execution_time ) { // Time exceeded. Give up instead of risking a fatal timeout. $size = null; break; } } } closedir( $handle ); } } if ( ! is_array( $directory_cache ) ) { $directory_cache = array(); } $directory_cache[ $directory ] = $size; // Only write the transient on the top level call and not on recursive calls. if ( $save_cache ) { $expiration = ( wp_using_ext_object_cache() ) ? 0 : 10 * YEAR_IN_SECONDS; set_transient( 'dirsize_cache', $directory_cache, $expiration ); } return $size; } /** * Cleans directory size cache used by recurse_dirsize(). * * Removes the current directory and all parent directories from the `dirsize_cache` transient. * * @since 5.6.0 * @since 5.9.0 Added input validation with a notice for invalid input. * * @param string $path Full path of a directory or file. */ function clean_dirsize_cache( $path ) { if ( ! is_string( $path ) || empty( $path ) ) { wp_trigger_error( '', sprintf( /* translators: 1: Function name, 2: A variable type, like "boolean" or "integer". */ __( '%1$s only accepts a non-empty path string, received %2$s.' ), 'clean_dirsize_cache()', '' . gettype( $path ) . '' ) ); return; } $directory_cache = get_transient( 'dirsize_cache' ); if ( empty( $directory_cache ) ) { return; } $expiration = ( wp_using_ext_object_cache() ) ? 0 : 10 * YEAR_IN_SECONDS; if ( ! str_contains( $path, '/' ) && ! str_contains( $path, '\\' ) ) { unset( $directory_cache[ $path ] ); set_transient( 'dirsize_cache', $directory_cache, $expiration ); return; } $last_path = null; $path = untrailingslashit( $path ); unset( $directory_cache[ $path ] ); while ( $last_path !== $path && DIRECTORY_SEPARATOR !== $path && '.' !== $path && '..' !== $path ) { $last_path = $path; $path = dirname( $path ); unset( $directory_cache[ $path ] ); } set_transient( 'dirsize_cache', $directory_cache, $expiration ); } /** * Checks compatibility with the current WordPress version. * * @since 5.2.0 * * @global string $wp_version The WordPress version string. * * @param string $required Minimum required WordPress version. * @return bool True if required version is compatible or empty, false if not. */ function is_wp_version_compatible( $required ) { global $wp_version; // Strip off any -alpha, -RC, -beta, -src suffixes. list( $version ) = explode( '-', $wp_version ); if ( is_string( $required ) ) { $trimmed = trim( $required ); if ( substr_count( $trimmed, '.' ) > 1 && str_ends_with( $trimmed, '.0' ) ) { $required = substr( $trimmed, 0, -2 ); } } return empty( $required ) || version_compare( $version, $required, '>=' ); } /** * Checks compatibility with the current PHP version. * * @since 5.2.0 * * @param string $required Minimum required PHP version. * @return bool True if required version is compatible or empty, false if not. */ function is_php_version_compatible( $required ) { return empty( $required ) || version_compare( PHP_VERSION, $required, '>=' ); } /** * Checks if two numbers are nearly the same. * * This is similar to using `round()` but the precision is more fine-grained. * * @since 5.3.0 * * @param int|float $expected The expected value. * @param int|float $actual The actual number. * @param int|float $precision Optional. The allowed variation. Default 1. * @return bool Whether the numbers match within the specified precision. */ function wp_fuzzy_number_match( $expected, $actual, $precision = 1 ) { return abs( (float) $expected - (float) $actual ) <= $precision; } /** * Creates and returns the markup for an admin notice. * * @since 6.4.0 * * @param string $message The message. * @param array $args { * Optional. An array of arguments for the admin notice. Default empty array. * * @type string $type Optional. The type of admin notice. * For example, 'error', 'success', 'warning', 'info'. * Default empty string. * @type bool $dismissible Optional. Whether the admin notice is dismissible. Default false. * @type string $id Optional. The value of the admin notice's ID attribute. Default empty string. * @type string[] $additional_classes Optional. A string array of class names. Default empty array. * @type string[] $attributes Optional. Additional attributes for the notice div. Default empty array. * @type bool $paragraph_wrap Optional. Whether to wrap the message in paragraph tags. Default true. * } * @return string The markup for an admin notice. */ function wp_get_admin_notice( $message, $args = array() ) { $defaults = array( 'type' => '', 'dismissible' => false, 'id' => '', 'additional_classes' => array(), 'attributes' => array(), 'paragraph_wrap' => true, ); $args = wp_parse_args( $args, $defaults ); /** * Filters the arguments for an admin notice. * * @since 6.4.0 * * @param array $args The arguments for the admin notice. * @param string $message The message for the admin notice. */ $args = apply_filters( 'wp_admin_notice_args', $args, $message ); $id = ''; $classes = 'notice'; $attributes = ''; if ( is_string( $args['id'] ) ) { $trimmed_id = trim( $args['id'] ); if ( '' !== $trimmed_id ) { $id = 'id="' . $trimmed_id . '" '; } } if ( is_string( $args['type'] ) ) { $type = trim( $args['type'] ); if ( str_contains( $type, ' ' ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: %s: The "type" key. */ __( 'The %s key must be a string without spaces.' ), 'type' ), '6.4.0' ); } if ( '' !== $type ) { $classes .= ' notice-' . $type; } } if ( true === $args['dismissible'] ) { $classes .= ' is-dismissible'; } if ( is_array( $args['additional_classes'] ) && ! empty( $args['additional_classes'] ) ) { $classes .= ' ' . implode( ' ', $args['additional_classes'] ); } if ( is_array( $args['attributes'] ) && ! empty( $args['attributes'] ) ) { $attributes = ''; foreach ( $args['attributes'] as $attr => $val ) { if ( is_bool( $val ) ) { $attributes .= $val ? ' ' . $attr : ''; } elseif ( is_int( $attr ) ) { $attributes .= ' ' . esc_attr( trim( $val ) ); } elseif ( $val ) { $attributes .= ' ' . $attr . '="' . esc_attr( trim( $val ) ) . '"'; } } } if ( false !== $args['paragraph_wrap'] ) { $message = "

$message

"; } $markup = sprintf( '
%4$s
', $id, $classes, $attributes, $message ); /** * Filters the markup for an admin notice. * * @since 6.4.0 * * @param string $markup The HTML markup for the admin notice. * @param string $message The message for the admin notice. * @param array $args The arguments for the admin notice. */ return apply_filters( 'wp_admin_notice_markup', $markup, $message, $args ); } /** * Outputs an admin notice. * * @since 6.4.0 * * @param string $message The message to output. * @param array $args { * Optional. An array of arguments for the admin notice. Default empty array. * * @type string $type Optional. The type of admin notice. * For example, 'error', 'success', 'warning', 'info'. * Default empty string. * @type bool $dismissible Optional. Whether the admin notice is dismissible. Default false. * @type string $id Optional. The value of the admin notice's ID attribute. Default empty string. * @type string[] $additional_classes Optional. A string array of class names. Default empty array. * @type string[] $attributes Optional. Additional attributes for the notice div. Default empty array. * @type bool $paragraph_wrap Optional. Whether to wrap the message in paragraph tags. Default true. * } */ function wp_admin_notice( $message, $args = array() ) { /** * Fires before an admin notice is output. * * @since 6.4.0 * * @param string $message The message for the admin notice. * @param array $args The arguments for the admin notice. */ do_action( 'wp_admin_notice', $message, $args ); echo wp_kses_post( wp_get_admin_notice( $message, $args ) ); }