✅ r_base64_encode
✅ r_base64_decode

✅ md5_string
✅ make_secure_random_string_os
✅ md5_file

✅ xml_unescape
✅ XML_PARSER

✅ shmem

✅ ndays_to_string
✅ secs_to_hmsf
✅ nbytes_to_string
✅ parse_command_line
✅ strip_whitespace
✅ strip_quotes
✅ collapse_whitespace
✅ unescape_os_release
✅ time_to_string
✅ precision_time_to_string
✅ timediff_format
✅ mysql_timestamp
✅ string_substitute
✅ strip_translation
✅ lf_terminate
✅ parse_serialnum
✅ is_valid_filename
✅ path_to_filename

✅ parse_url
✅ is_https
✅ escape_url
✅ unescape_url
✅ escape_url_readable
✅ canonicalize_master_url
✅ valid_master_url
✅ escape_project_url

✅ dtime
✅ dday
✅ boinc_sleep
✅ push_unique
✅ drand
✅ rand_normal