1Explicit octal syntax 2----- 3<?php 40o123; 50O123; 60o1_2_3; 70o1000000000000000000000; 8----- 9array( 10 0: Stmt_Expression( 11 expr: Scalar_Int( 12 value: 83 13 ) 14 ) 15 1: Stmt_Expression( 16 expr: Scalar_Int( 17 value: 83 18 ) 19 ) 20 2: Stmt_Expression( 21 expr: Scalar_Int( 22 value: 83 23 ) 24 ) 25 3: Stmt_Expression( 26 expr: Scalar_Float( 27 value: 9.2233720368548E+18 28 ) 29 ) 30) 31