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(PECL newt >= 0.1)
newt_get_screen_size — Fills in the passed references with the current size of the terminal
&$cols 
   ,  int &$rows 
   )Fills in the passed references with the current size of the terminal.
cols Number of columns in the terminal
rows Number of rows in the terminal
没有返回值。
Example #1 A newt_get_screen_size() example
This code prints out the screen size of your terminal.
  <?php
 newt_init ();
  newt_get_screen_size  (& $cols , & $rows );
  newt_finished ();
 print  "Your terminal size is:  { $cols } x { $rows } \n" ;
 ?>   以上例程会输出:
Your terminal size is: 138x47