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Chapter 2: ColdFusion Functions
IsNumericDate
Evaluates "real value" of date/time object. Returns TRUE if the number represents
"real value" of the date/time object; otherwise, FALSE.
See also
Syntax
IsNumericDate( number )
number
Real number.
Examples
<!--- This example shows the use of IsNumericDate --->
<HTML>
<HEAD>
<TITLE>
IsNumericDate Example
</TITLE>
</HEAD>
<BODY BGCOLOR=silver>
<H3>IsNumericDate Example</H3>
<CFIF IsDefined("FORM.theTestValue")>
<!--- test if the value is Numeric or a pre-formatted Date value --->
<CFIF IsNumeric(FORM.theTestValue) or IsDate(FORM.theTestValue)>
<!--- if this value is a numericDate value, then pass --->
<CFELSE>
<H3>The string <CFOUTPUT>#DE(FORM.theTestValue)#</CFOUTPUT>
is not a valid numeric date</H3>
</CFIF>
</CFIF>
<FORM ACTION="isNumericDate.cfm" METHOD="POST">
<P>Enter a string, and discover if it can be evaluated to a date value.
<P><INPUT TYPE="Text" NAME="TheTestValue" VALUE="<CFOUTPUT>#Now()#
</CFOUTPUT>">
<INPUT TYPE="Submit" VALUE="Is it a Date?" NAME="">
</FORM>
</BODY>
</HTML>
IsDate
and ParseDateTime.
<CFIF IsNumericDate(FORM.theTestValue)>
<H3>The string <CFOUTPUT>#DE(FORM.theTestValue)#</CFOUTPUT>
is a valid numeric date</H3>
<CFELSE>
<H3>The string <CFOUTPUT>#DE(FORM.theTestValue)#</CFOUTPUT>
is not a valid numeric date</H3>
</CFIF>
397
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