Function Names
while, untilSynopsis
while (...) {...}
until (...) {...}Description
Repeats executing statement or block after function name while parameter is true (for while) or false (for until).
Call as: procedure
Restrictions
Indirect parameter passing is disabled
OS differences
None
Parameter count
1
Parameters
| No. | Type | Description |
|---|---|---|
| 1 input |
boolean | Boolean expression If the expression is true, then the following statement or block will be executed. Otherwise, it will be skipped. Default value: n/a |
Exceptions
none
Examples
a[] = 0;
while ( a[]++ < 10) print( a[], ' ' );
until ( a[]-- <= 5) print( a[], ' ' );
echo;Output
1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5