Compare variables

[Anon]

I want to know if in a String variable there is a number or not.
Thanks

[Anon]

is_int(mixed var) which is really is_long(mixed var)

This will return true if value (ie mixed var) is true.

[Anon]

Do you just want to know if there is a number in the string (ie "abc123def" is true because "123" is in there), or do you want to know if it is only a number?

If the former, you can use something like

if (ereg("[0-9]", $string)) {
print "Contains a number";
}

If the latter, look into the is_numeric, is_int, is_float, etc in Chapter IV, Section LIX of the online manual.