%strripos()% - Find position of last occurrence of a case-insensitive string in a string. %mkdir()% - Can now create directories recursively via an additional flag. %php_check_syntax()% - Validate syntax of PHP files. %headers_list()% - Get a list of headers sent to the browser. %time_nanosleep()% - Signal safe, high precision sleep function. A whole series of new array sorting and intersect functions.