I need this function be converted to PHP from VB
Function Decrypt(ByVal value As String) As String
Try
Dim des As New TripleDESCryptoServiceProvider
[login to view URL] = New Byte(7) {}
Dim pdb As New PasswordDeriveBytes(encKey, New Byte(-1) {})
[login to view URL] = [login to view URL]("RC2", "MD5", 128, New Byte(7) {})
Dim encryptedBytes As Byte() = [login to view URL](value)
Dim ms As New [login to view URL]([login to view URL])
Dim decStream As New CryptoStream(ms, [login to view URL](), [login to view URL])
[login to view URL](encryptedBytes, 0, [login to view URL])
[login to view URL]()
Dim plainBytes(CInt([login to view URL] - 1)) As Byte
[login to view URL] = 0
[login to view URL](plainBytes, 0, CInt([login to view URL]))
[login to view URL]()
Return [login to view URL](plainBytes)
Catch
End Try
End Function