cfdocs

randomize

Seeds the pseudo-random number generator with an integer number, ensuring repeatable number patterns.

randomize(number [, algorithm])

returns numeric

Argument Reference

Name	Type	Required	Default	Description	Values
number	numeric	Yes
algorithm	string	No	CFMX_COMPAT	The algorithm to use to generated the random number.	/Users/garethedwards/development/github/cfdocs/docs/functions/randomize.md	IBMSecureRandom

Tag Example

The following example calls the Randomize function to seed the random number generator and generates 10 random numbers.

<cfset randomize(12345)> <!--- if one was to remove this line, the random numbers are different every time ---> 
 <cfloop index="i" from="1" to="10"> 
 <cfoutput>#rand()#</cfoutput> 
 </cfloop>

This site is open source. Improve this page.