number validation integer floating point number real number minimum value maximum value

number validation

Live examples:
- Number validation

Possible parameters:

'validation' => Array(
  Array( 
    'type'    => 'number',
    'minimum' => 2, // minimum value, even negative numbers
    'maximum' => 5, // maximum value
    'real'    => 1  // if real numbers (eg. 4.1) are allowed
  )
)