PHP Manual Function Reference Other Basic Extensions Judy Judy Judy::memoryUsage Judy::lastEmpty Judy::next Judy::memoryUsage (PECL judy >= 0.1.1)Judy::memoryUsage — Return the memory used by the Judy array Description public int Judy::memoryUsage ( void ) Return the memory used by the Judy array. Parameters This function has no parameters. Return Values Return the memory used in bytes.