CFLib.org – Common Function Library Project

Description:
Converts a string containing an (IPv4) Internet Protocol dotted address (aaa.bbb.ccc.ddd) into a proper address representation. Returns 0 if error occurs.

Return Values:
Returns a number.

Example:

<cfoutput>
#ip2long('202.186.13.4')#= 3401190660<br>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Converts a string containing an (IPv4) Internet Protocol dotted address (aaa.bbb.ccc.ddd) into a proper address representation.
 * 
 * @param ip      IP address as string. (Required)
 * @return Returns a number. 
 * @author Troy Pullis (tpullis@yahoo.com) 
 * @version 0, January 9, 2009 
 */
function ip2long(ip) {
    var iparr = ListToArray(ip,".");
    if (ArrayLen(iparr) != 4)
        return 0;
    else 
         return iparr[1]*256^3 + iparr[2]*256^2 + iparr[3]*256 + iparr[4];
}