FOR ... NEXT

This command, Logic control, is used to execute statement block until variable equals terminating expression.
The syntax to be used for this command:for_next 
FOR <variable> = <start expression> TO <terminating expression>;
    <statement block>
NEXT;

Possible scenarios:

  • Successful loop
  • Skip stepping into loop
  • Exception cases

These are the examples of FOR ... NEXT command:

  • Echo values 1 through 5 
    FOR $variable = 1 TO 5;
    Echo: $variable;
 NEXT;
  • Echo values 10 through 15 
    $start_count = 10;
 FOR $variable = $start_count TO $start_count + 5;
    Echo: $variable;
 NEXT;