mirror of
https://github.com/twigphp/Twig.git
synced 2026-08-17 08:50:50 +00:00
Fabien Potencier
205 lines
25 KiB
ReStructuredText
205 lines
25 KiB
ReStructuredText
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| Precedence | Operator | Type | Associativity | Description |
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+============+==================+=========+===============+===================================================================+
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| 512 | ``...`` | prefix | n/a | Spread operator |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| => 300 | ``|`` | infix | Left | Twig filter call |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``(`` | | | Twig function call |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``.``, ``?.`` | | | Get an attribute on a variable |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``[`` | | | Array access |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 500 | ``-`` | prefix | n/a | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``+`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 300 => 5 | ``??`` | infix | Right | Null coalescing operator (a ?? b) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 250 | ``=>`` | infix | Left | Arrow function (x => expr) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 200 | ``**`` | infix | Right | Exponentiation operator |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 100 | ``is`` | infix | Left | Twig tests |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``is not`` | | | Twig tests |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 60 | ``*`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``/`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``//`` | | | Floor division |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``%`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 50 => 70 | ``not`` | prefix | n/a | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 40 => 27 | ``~`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 30 | ``+`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``-`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 25 | ``..`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 20 | ``==`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``!=`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``<=>`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``<`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``>`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``>=`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``<=`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``not in`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``in`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``matches`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``starts with`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``ends with`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``has some`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``has every`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``===`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``!==`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 18 | ``b-and`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 17 | ``b-xor`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 16 | ``b-or`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 15 | ``and`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 12 | ``xor`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 10 | ``or`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 5 | ``?:``, ``? :`` | infix | Right | Elvis operator (a ?: b) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 0 | ``(`` | prefix | n/a | Explicit group expression (a) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``?`` | infix | Left | Conditional operator (a ? b : c) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``=`` | | Right | Assignment operator |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``literal`` | prefix | n/a | A literal value (boolean, string, number, sequence, mapping, ...) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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When a precedence will change in 4.0, the new precedence is indicated by the arrow ``=>``.
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Here is the same table for Twig 4.0 with adjusted precedences:
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| Precedence | Operator | Type | Associativity | Description |
|
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+============+==================+=========+===============+===================================================================+
|
|
| 512 | ``...`` | prefix | n/a | Spread operator |
|
|
+------------+------------------+---------+---------------+-------------------------------------------------------------------+
|
|
| | ``(`` | infix | Left | Twig function call |
|
|
+------------+------------------+---------+---------------+-------------------------------------------------------------------+
|
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| | ``.``, ``?.`` | | | Get an attribute on a variable |
|
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
|
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| | ``[`` | | | Array access |
|
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 500 | ``-`` | prefix | n/a | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``+`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 300 | ``|`` | infix | Left | Twig filter call |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 250 | ``=>`` | infix | Left | Arrow function (x => expr) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 200 | ``**`` | infix | Right | Exponentiation operator |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 100 | ``is`` | infix | Left | Twig tests |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``is not`` | | | Twig tests |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 70 | ``not`` | prefix | n/a | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 60 | ``*`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``/`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``//`` | | | Floor division |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``%`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 30 | ``+`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``-`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 27 | ``~`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 25 | ``..`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 20 | ``==`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``!=`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``<=>`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``<`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``>`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``>=`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``<=`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``not in`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``in`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``matches`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``starts with`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``ends with`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``has some`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``has every`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``===`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``!==`` | | | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 18 | ``b-and`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 17 | ``b-xor`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 16 | ``b-or`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 15 | ``and`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 12 | ``xor`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 10 | ``or`` | infix | Left | |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 5 | ``??`` | infix | Right | Null coalescing operator (a ?? b) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``?:``, ``? :`` | | | Elvis operator (a ?: b) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| 0 | ``(`` | prefix | n/a | Explicit group expression (a) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``?`` | infix | Left | Conditional operator (a ? b : c) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``=`` | | Right | Assignment operator |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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| | ``literal`` | prefix | n/a | A literal value (boolean, string, number, sequence, mapping, ...) |
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+------------+------------------+---------+---------------+-------------------------------------------------------------------+
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