CFLib.org – Common Function Library Project

Description:
Deletes elements from an array passing the list of positions. Similar to ArrayDeleteAt but the position value could be a list of positions.

Return Values:
Returns an array.

Example:

<cfset myArr=ArrayNew(1)>
<cfset myArr[1]="1st">
<cfset myArr[2]="2nd">
<cfset myArr[3]="3rd">
<cfset myArr[4]="4th">
<cfset myArr[5]="5th">
<cfdump var="#myArr#" label="Original array">
<cfset list='1,5'>
To delete: <br />
<cfoutput>#list#</cfoutput><br />
<cfdump var="#ArrayDeleteAtList(myArr,list)#" label="parsedArray">

Parameters:

Full UDF Source:

<cfscript>
/**
 * Deletes an elements list from an array.
 * 
 * @param a 	 The array to modify. (Required)
 * @param l 	 The list of indexes to remove. (Required)
 * @return Returns an array. 
 * @author Giampaolo Bellavite (&#103;&#105;&#97;&#109;&#112;&#97;&#111;&#108;&#111;&#64;&#98;&#101;&#108;&#108;&#97;&#118;&#105;&#116;&#101;&#46;&#99;&#111;&#109;) 
 * @version 1, January 21, 2005 
 */
function ArrayDeleteAtList(a,l) {
	var i=1;
	l = listSort(l, "numeric", "desc");
	for(i=1; i lte listLen(l); i=i+1) arrayDeleteAt(a, listGetAt(l,i));
	return a;
}
</cfscript>