86 self::$possible_sizes,
87 implode(self::$possible_sizes,
'/')
An exception for terminatinating execution or to throw for unit testing.
withAbbreviation($abbreviation)
checkStringArg($which, $value)
Throw an InvalidArgumentException if $value is no string.
trait ComponentHelper
Provides common functionality for component implementations.
checkArgIsElement($which, $value, $array, $name)
Throw an InvalidArgumentException if $value is not an element of array.