User`s guide

APPENDIX A Function Reference
User’s Guide 129
uIsAscending("2004-03-03", "2004-03-05", "2004-03-07")
// returns 1
uIsAscending("2004-03-03", "2004-03-07", "2004-03-05")
// returns 0
ulsBoolean
Description Returns true if the parameter is either “1,” “true,” or “yes.”
Syntax number uIsBoolean(params, ...)
Parameters
params
A list of expressions or values of any datatype.
Examples To check for a Boolean value:
uIsBoolean("1") // returns 1
uIsBoolean("yes") // returns 1
uIsBoolean("true") // returns 1
ulsDate
Description Returns 1 if the parameter can be interpreted as a date. If the second parameter
is empty, the function attempts to apply one of the following formats:
•
y-M-D H:N:S.s
• y-M-D H:N:S
• y-M-D
• H:N:S
Note For details about the format string, refer to the uConvertDate function.
Syntax number uIsDate(datestring [, format])
Parameters
string datestring
The string to be checked.