! Closures caused syntax errors for php < 5.3.8

Use create_function instead, so installer can let user know that php version is too low.

Signed-off-by: Angelina Belle <angelinabelle1@hotmail.com>
! admin password problem (create_function)

Fixed the call to create_function for 'strtolower'

Signed-off-by: Angelina Belle <angelinabelle1@hotmail.com>
! fixed indents

Signed-off-by: Angelina Belle <angelinabelle1@hotmail.com>
Merge pull request #1811 from AngelinaBelle/patch-2

! [Installer] Closures caused syntax errors in install.php for php < 5.3.8