Macromedia coldfusion 4.5-cfml language reference User Manual

324

Years from 0 to 29 are interpreted as 21

st

 century values. Years 30 to 99 are interpreted 

as 20

th

 century values.

<!--- This example shows the use of DateDiff --->
...
<CFIF IsDefined("FORM.date1") and IsDefined("FORM.date2")>

<CFIF IsDate(FORM.date1) and IsDate(FORM.date2)>

<P>This example uses DateDiff to determine the difference
in <CFSWITCH EXPRESSION=#type#>

<CFCASE VALUE="yyyy">years</CFCASE>
<CFCASE VALUE="q">quarters</CFCASE>
<CFCASE VALUE="m">months</CFCASE>
<CFCASE VALUE="y">days of year</CFCASE>
<CFCASE VALUE="d">days</CFCASE>
<CFCASE VALUE="w">weekdays</CFCASE>
<CFCASE VALUE="ww">weeks</CFCASE>
<CFCASE VALUE="h">hours</CFCASE>
<CFCASE VALUE="n">minutes</CFCASE>
<CFCASE VALUE="s">seconds</CFCASE>
<CFDEFAULTCASE>years</CFDEFAULTCASE></CFSWITCH>
 dateparts between date1 and date2.

<CFIF DateCompare(FORM.date1, FORM.date2) is not 0>
<P>The difference is <CFOUTPUT>#Abs(DateDiff
  (type, FORM.date2, FORM.date1))#</CFOUTPUT>
<CFSWITCH EXPRESSION=#type#>

<CFCASE VALUE="yyyy">years</CFCASE>
<CFCASE VALUE="q">quarters</CFCASE>
<CFCASE VALUE="m">months</CFCASE>
<CFCASE VALUE="y">days of year</CFCASE>
<CFCASE VALUE="d">days</CFCASE>
<CFCASE VALUE="w">weekdays</CFCASE>
<CFCASE VALUE="ww">weeks</CFCASE>
<CFCASE VALUE="h">hours</CFCASE>
<CFCASE VALUE="n">minutes</CFCASE>
<CFCASE VALUE="s">seconds</CFCASE>
<CFDEFAULTCASE>years</CFDEFAULTCASE></CFSWITCH>.

<CFELSE>

...