EminentStar's Dev Wiki

Defines a named constant bool define ( string $name , mixed $value [ , bool $case_insensitive = false ] )Defines a named constant at runtime. *Parameters-name: the name of the constant. -value: The value of the constant; only scalar and null values are allowed. Scalar values are integer, float, string or boolean values. -case_insensitive: If set to true, the constant will be defined case_insensi..

Output a stringint print ( string $arg )Outputs arg.It is also not actually a real function like 'echo', you don't need to use parentheses with it. Example:

echo - Output one or more stringsvoid echo ( string $arg1 [ , string $... ] )Outputs all parametersFrankly, this is not a function, so you aren't required to use parentheses with it. Example. * result:Hello World.