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AgeSinceDOB(dob)

Last updated November 18, 2002

author

Alexander Sicular

Version: 1 | Requires: CF5 | Library: DateLib

Description:
Given the date of birth, returns age. ie: 23y or 11m or 6d. Also see GetCurrentAge, which will only return a strict year result.

Return Values:
Returns a string.

Example:

<cfoutput>ageSinceDOB(1/26/1979)=#ageSinceDOB("1/26/1979")#</cfoutput>

Parameters:

Name Description Required
dob Date of birth. Yes

Full UDF Source:

/**
 * Given the date of birth, returns age.
 * 
 * @param dob 	 Date of birth. (Required)
 * @return Returns a string. 
 * @author Alexander Sicular (as867@columbia.edu) 
 * @version 1, November 18, 2002 
 */
function ageSinceDOB(dob) {
  
  var ageYR = DateDiff('yyyy', dob, NOW());
  var ageMO = DateDiff('m', dob, NOW());
  var ageWK = DateDiff('ww', dob, NOW());
  var ageDY = DateDiff('d', dob, NOW());
  var age = "";
  
  if ( isDate(dob) ){    
    if (now() LT dob){
      age = "NA";
    }else{  
      if (ageYR LT 2) {
        age = ageMO & "m";
          if (ageMO LT 1) {
		    age = ageWK & "w";
		  }
		  if (ageWK LT 1) {
		    age = ageDY & "d";
		  }
	  }else{
	    age = ageYR & "y";
	  }  
    }  
  }else{    
    age = "NA";
  }  
  return age;
}
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