1 2 ======================== 3 Expression: 1 4 Object is a number : 1 5 6 ======================== 7 Expression: 1+2 8 Object is a number : 3 9 10 ======================== 11 Expression: 2*3 12 Object is a number : 6 13 14 ======================== 15 Expression: 1+2*3+4 16 Object is a number : 11 17 18 ======================== 19 Expression: (1+2)*(3+4) 20 Object is a number : 21 21 22 ======================== 23 Expression: 1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1 24 Object is a number : 21 25 26 ======================== 27 Expression: 0.000000000000000000000000000000000000000000000000001 28 Object is a number : 1e-51 29 30 ======================== 31 Expression: -0.000000000000000000000000000000000000000000000000001 32 Object is a number : -1e-51 33 34 ======================== 35 Expression: 1e2147483648 36 Object is a number : Infinity 37 38 ======================== 39 Expression: 1e4294967296 40 Object is a number : Infinity 41 42 ======================== 43 Expression: 1e9223372036854775808 44 Object is a number : Infinity 45 46 ======================== 47 Expression: 1e18446744073709551616 48 Object is a number : Infinity 49 50 ======================== 51 Expression: 1e-2147483649 52 Object is a number : 0 53 54 ======================== 55 Expression: 1e-4294967296 56 Object is a number : 0 57 58 ======================== 59 Expression: 1e-9223372036854775809 60 Object is a number : 0 61 62 ======================== 63 Expression: 1e-18446744073709551616 64 Object is a number : 0 65 66 ======================== 67 Expression: self::-name 68 Object is empty (NULL) 69
