is_numeric() vs. is_float() vs. is_int()

Question

My understanding is...

if is_numeric($input) === true

then either

is_float($input) === true OR

is_int($input) =

Answer 1

See the docs. A numeric value can be:

• An integer
• A float
• Exponential
• A positive Hexadecimal
• A string containing most of these