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warranty
p = pi x 2r
A function statement is a block where the function is declared and defined.
A function statement is a block where the function is declared and defined.
IF function
IF, in C and C++, is not a function - it is a statement. There are two parameters... if (expression) statement; The expression is evaluated. If it has logical result true, or arithmentic result not zero, the statement is executed; if not, the statement is not executed. The statement can be a single statement, in which it is terminated with a semi-colon, or it can be a block of statements, in which it is surrounded by braces.
Statements are composed from expressions. A semi-colon turns an expression into a statement. A function is not a statement it is a type definition. A statement block is a compound statement, one or more statements delimited by braces, {}. A function block is the body of a function. The body must be enclosed in braces, {}.
statement should not return a value but function returns a value
it's not a statement, it's a function: len= printf (format, ...more-parameters...);
All usable statements in PHP can cause a function to be executed - however, that's not to say that every statement will execute a function. A statement is defined by the programmer, who it is ultimately the one responsible for including a function, more than one function, or no functions.
The multi-step income statement is classified by function, and the single-step income statement is classified by behavior.