Function Names
table check headerDescription
This function checks if a header with the specified header name is existing. If the header is found, then the column number will be returned. Otherwise, an exception will be asserted.
Call as: function
Restrictions
Indirect parameter passing is disabled
Parameter count
2
Parameters
| No. | Type | Description |
|---|---|---|
| 1 input |
string | Name of existing table |
| 2 input |
table column | Header name or column number See table columns as function parameters for general ruling for this parameter.
|
Return value
| Type | Description |
|---|---|
| numeral | Column number Note: 1st column begins with 0 |
Exceptions
Table not found
Header name not found
Examples
table initialize ( table 1,
{ { Last Name, First Name, Phone No, Age }, { Larsson, Lara, "1-212-555-1212", 28 } } );
echo( table check header ( table 1, Phone No ) );
// echo( table check header ( table 1, Gender ) ); // Not executed now, would cause exception
Output
2