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Boolean Functions

boolean_value()

Need documentation

inbetween()

Need documentation

inrange()

Test if a value is within a range of integers. Note: If the $thru value is less than the $from value, it will add it to the $from value. For example, if the from is 100 and the thru is 99, the range will be 100-199.

inrange($value, int $from, int $thru)

see array_inrange()

is_blank()

Need documentation

is_blankn()

Need documentation

is_object_or_array()

Need documentation

is_scope()

Need documentation

is_string_or_numeric()

Need documentation

is_string_url()

Need documentation