BinaryOp creates from two nodes binary operand specified by op.

Float returns simple data type float with given value.

Func creates empty function with given name.

HTML returns node representing HTML outside <?php ?>.

Int returns simple data type int with given value.

List creates statement list from array, commonly represented by a block.

Minus prepends minus for node e.

Name turns array of string to a name node.

Nop creates empty statement, in a script it is represented by semicolon or empty <?php ?>.

Plus prepends plus for node e.

String creates simple scalar from given value.

Variable creates a new variable with given name.