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Mathematical operators
-----
<?php
// unary ops
~$a;
+$a;
-$a;
// binary ops
$a & $b;
$a | $b;
$a ^ $b;
$a . $b;
$a / $b;
$a - $b;
$a % $b;
$a * $b;
$a + $b;
$a << $b;
$a >> $b;
$a ** $b;
// associativity
$a * $b * $c;
$a * ($b * $c);
// precedence
$a + $b * $c;
($a + $b) * $c;
// pow is special
$a ** $b ** $c;
($a ** $b) ** $c;
-----
array(
0: Expr_BitwiseNot(
expr: Expr_Variable(
name: a
)
comments: array(
0: // unary ops
)
)
1: Expr_UnaryPlus(
expr: Expr_Variable(
name: a
)
)
2: Expr_UnaryMinus(
expr: Expr_Variable(
name: a
)
)
3: Expr_BinaryOp_BitwiseAnd(
left: Expr_Variable(
name: a
comments: array(
0: // binary ops
)
)
right: Expr_Variable(
name: b
)
comments: array(
0: // binary ops
)
)
4: Expr_BinaryOp_BitwiseOr(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
5: Expr_BinaryOp_BitwiseXor(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
6: Expr_BinaryOp_Concat(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
7: Expr_BinaryOp_Div(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
8: Expr_BinaryOp_Minus(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
9: Expr_BinaryOp_Mod(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
10: Expr_BinaryOp_Mul(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
11: Expr_BinaryOp_Plus(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
12: Expr_BinaryOp_ShiftLeft(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
13: Expr_BinaryOp_ShiftRight(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
14: Expr_BinaryOp_Pow(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
15: Expr_BinaryOp_Mul(
left: Expr_BinaryOp_Mul(
left: Expr_Variable(
name: a
comments: array(
0: // associativity
)
)
right: Expr_Variable(
name: b
)
comments: array(
0: // associativity
)
)
right: Expr_Variable(
name: c
)
comments: array(
0: // associativity
)
)
16: Expr_BinaryOp_Mul(
left: Expr_Variable(
name: a
)
right: Expr_BinaryOp_Mul(
left: Expr_Variable(
name: b
)
right: Expr_Variable(
name: c
)
)
)
17: Expr_BinaryOp_Plus(
left: Expr_Variable(
name: a
comments: array(
0: // precedence
)
)
right: Expr_BinaryOp_Mul(
left: Expr_Variable(
name: b
)
right: Expr_Variable(
name: c
)
)
comments: array(
0: // precedence
)
)
18: Expr_BinaryOp_Mul(
left: Expr_BinaryOp_Plus(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
right: Expr_Variable(
name: c
)
)
19: Expr_BinaryOp_Pow(
left: Expr_Variable(
name: a
comments: array(
0: // pow is special
)
)
right: Expr_BinaryOp_Pow(
left: Expr_Variable(
name: b
)
right: Expr_Variable(
name: c
)
)
comments: array(
0: // pow is special
)
)
20: Expr_BinaryOp_Pow(
left: Expr_BinaryOp_Pow(
left: Expr_Variable(
name: a
)
right: Expr_Variable(
name: b
)
)
right: Expr_Variable(
name: c
)
)
)