Private/Test-IsMultiValue.ps1
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function Test-IsMultiValue { <# .SYNOPSIS Tests if the input is a multi-value collection. .DESCRIPTION This function checks if the provided input is a collection with more than one item. It returns $true for collections like arrays or lists with multiple items, and $false otherwise. .PARAMETER Input The input object to test. .EXAMPLE PS C:\> Test-IsMultiValue -Input @(1, 2, 3) True .EXAMPLE PS C:\> Test-IsMultiValue -Input "SingleValue" False .EXAMPLE PS C:\> Test-IsMultiValue -Input $null False .NOTES Author: Pete Maan Date: August 2025 #> [CmdletBinding()] param ( [Parameter(Mandatory)] [object]$Value ) if ($null -eq $Value) { return $false } # If it's an array with more than one item, it's multivalued if ($Value -is [System.Array] -and $Value.Count -gt 1) { return $true } return $false } |