f ( 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 ) { set_transient( 'dirsize_cache', $directory_cache ); } 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.' ), 'clean_dirsize_cache()', '' . gettype( $path ) . '' ) ); return; } $directory_cache = get_transient( 'dirsize_cache' ); if ( empty( $directory_cache ) ) { return; } if ( strpos( $path, '/' ) === false && strpos( $path, '\\' ) === false ) { unset( $directory_cache[ $path ] ); set_transient( 'dirsize_cache', $directory_cache ); 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 ); } /** * 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 ); 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( phpversion(), $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 The allowed variation. * @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; } /** * Sorts the keys of an array alphabetically. * The array is passed by reference so it doesn't get returned * which mimics the behaviour of ksort. * * @since 6.0.0 * * @param array $array The array to sort, passed by reference. */ function wp_recursive_ksort( &$array ) { foreach ( $array as &$value ) { if ( is_array( $value ) ) { wp_recursive_ksort( $value ); } } ksort( $array ); }