_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( $path ) ) {
		trigger_error(
			sprintf(
				/* translators: 1: Function name, 2: A variable type, like "boolean" or "integer". */
				__( '%1$s only accepts a non-empty path string, received %2$s.' ),
				'<code>clean_dirsize_cache()</code>',
				'<code>' . gettype( $path ) . '</code>'
			)
		);
		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.' ),
					'<code>type</code>'
				),
				'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'] ) {
		$message = "<p>$message</p>";
	}

	$markup = sprintf( '<div %1$sclass="%2$s"%3$s>%4$s</div>', $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 ) );
}