Function Names
count, count ignore zero, count ignore blanks, count ignore bothDescription
These functions counts number of affected parameters.
The suffix ... ignore zero excludes all zero values: Numeral 0, Boolean false and blank dates.
The suffix ... ignore blanks excludes all strings with blank values: String blank (0 characters), blank dates and empty sets in parameter sets (but includes sets containing something, including nested empty sets).
The suffix ... ignore both covers both of the above.
Please note that equivalent conditional combination functions are also available for the function names listed above which allows
you to pre-select specific parameters to include in the calculation using one or more comparisons .
Call as: function
Parameter count
Min 1
Parameters
| No. | Type | Description |
|---|---|---|
| 1, etc. input |
valid types | All function parameters: Same parameter passing principle is applied like other series functions such as add(), sub(), etc. |
Return value
| Type | Description |
|---|---|
| numeral | Result Calculated value |
Exceptions
Function names containing 'numeral' assert exceptions if values provided are not of type numeral.
Examples
echo( count ( 1, 2, 3, a, '', ' ',0 ) ); // 7
echo( count ignore zero ( 1, 2, 3, a, '', ' ',0 ) ); // 6
echo( count ignore blanks( 1, 2, 3, a, '', ' ',0 ) ); // 5 (only pure blank ignored)
echo( count ignore both ( 1, 2, 3, a, '', ' ',0 ) ); // 4 (both 0 and blank ignored)
echo( count ( date(today), date(""), true, false ) ); // 4
echo( count ignore zero ( date(today), date(""), true, false ) ); // 2 (blank date, false)
echo( count ignore blanks( date(today), date(""), true, false ) ); // 3 (blank date)
echo( count ignore both ( date(today), date(""), true, false ) ); // 2 (both)Output
7
6
5
4
4
2
3
2
See also
counting parameter set elements with {}