operators_precedence.rst

Precedence	Operator	Type	Associativity	Description
512	...	prefix	n/a	Spread operator
=> 300	|	infix	Left	Twig filter call
	(			Twig function call
	.			Get an attribute on a variable
	[			Array access
500	-	prefix	n/a
	+
300 => 5	??	infix	Right	Null coalescing operator (a ?? b)
250	=>	infix	Left	Arrow function (x => expr)
200	**	infix	Right	Exponentiation operator
100	is	infix	Left	Twig tests
	is not			Twig tests
60	*	infix	Left
	/
	//			Floor division
	%
50 => 70	not	prefix	n/a
40 => 27	~	infix	Left
30	+	infix	Left
	-
25	..	infix	Left
20	==	infix	Left
	!=
	<=>
	<
	>
	>=
	<=
	not in
	in
	matches
	starts with
	ends with
	has some
	has every
18	b-and	infix	Left
17	b-xor	infix	Left
16	b-or	infix	Left
15	and	infix	Left
12	xor	infix	Left
10	or	infix	Left
5	?:	infix	Right	Elvis operator (a ?: b)
	?:			Elvis operator (a ?: b)
0	(	prefix	n/a	Explicit group expression (a)
	literal			A literal value (boolean, string, number, sequence, mapping, ...)
	?	infix	Left	Conditional operator (a ? b : c)

When a precedence will change in 4.0, the new precedence is indicated by the arrow =>.

Here is the same table for Twig 4.0 with adjusted precedences:

Precedence	Operator	Type	Associativity	Description
512	...	prefix	n/a	Spread operator
	(	infix	Left	Twig function call
	.			Get an attribute on a variable
	[			Array access
500	-	prefix	n/a
	+
300	|	infix	Left	Twig filter call
250	=>	infix	Left	Arrow function (x => expr)
200	**	infix	Right	Exponentiation operator
100	is	infix	Left	Twig tests
	is not			Twig tests
70	not	prefix	n/a
60	*	infix	Left
	/
	//			Floor division
	%
30	+	infix	Left
	-
27	~	infix	Left
25	..	infix	Left
20	==	infix	Left
	!=
	<=>
	<
	>
	>=
	<=
	not in
	in
	matches
	starts with
	ends with
	has some
	has every
18	b-and	infix	Left
17	b-xor	infix	Left
16	b-or	infix	Left
15	and	infix	Left
12	xor	infix	Left
10	or	infix	Left
5	??	infix	Right	Null coalescing operator (a ?? b)
	?:			Elvis operator (a ?: b)
	?:			Elvis operator (a ?: b)
0	(	prefix	n/a	Explicit group expression (a)
	literal			A literal value (boolean, string, number, sequence, mapping, ...)
	?	infix	Left	Conditional operator (a ? b : c)