CFLib.org – Common Function Library Project

ip2long(ip)

Last updated January 9, 2009

author

Troy Pullis

Version: 0 | Requires: CF5 | Library: NetLib

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:

Name Description Required
ip IP address as string. Yes

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];
}
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