uphp:functions:print_f

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  - array
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  - base64_decode
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  - call_user_func
  - charat
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  - function_exists
  - fwrite
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  - get3gstat
  - get_csv_data
  - getcwd
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  - hash_hmac
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  - indexed_array
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  - inttoieee754
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  - max_execution_time
  - mb_add_dev
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  - mb_get_dev_by_id
  - mb_get_dev_by_index
  - mb_get_dev_by_name
  - mb_get_dev_info
  - mb_get_role_array
  - mb_get_status_by_role
  - mb_get_val_by_role
  - mb_num_devices
  - mb_queue_command
  - mb_scan_complete
  - mb_scan_percent
  - mb_send_command
  - mb_set_dev_var
  - mb_set_val_by_role
  - mb_start_scan
  - md5
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  - microtime
  - mkdir
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  - ord
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  - pack
  - phpinfo
  - pin_configure
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  - printf
  - process_kill
  - process_list
  - rand
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  - rename
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  - set_cert_key
  - set_search_path
  - setethpower
  - setpriority
  - settime
  - setusbpower
  - sha1
  - sin
  - sizeof
  - sleep
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  - sprintf
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  - sys_get
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  - tar_finish
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  - time
  - timefromfat
  - trim
  - ucfirst
  - unlink
  - unpack
  - untar
  - uptime
  - urldecode
  - urlencode
- library_functions
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- functions
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