bug #4498 Fix the Elvis operator when there is some space between ? a…

…nd : (fabpot)

This PR was merged into the 3.x branch.

Discussion
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Fix the Elvis operator when there is some space between ? and :

Commits
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1af334b Fix the Elvis operator when there is some space between ? and :

CHANGELOG

@@ -1,6 +1,6 @@
 # 3.17.1 (2024-XX-XX)
 
- * n/a
+ * Fix the Elvis operator when used as '? :' instead of '?:'
 
 # 3.17.0 (2024-12-10)
 

src/Extension/CoreExtension.php

@@ -321,6 +321,7 @@ public function getOperators(): array
                 '+' => ['precedence' => 500, 'class' => PosUnary::class],
             ],
             [
+                '? :' => ['precedence' => 5, 'class' => ElvisBinary::class, 'associativity' => ExpressionParser::OPERATOR_RIGHT],
                 '?:' => ['precedence' => 5, 'class' => ElvisBinary::class, 'associativity' => ExpressionParser::OPERATOR_RIGHT],
                 '??' => ['precedence' => 300, 'precedence_change' => new OperatorPrecedenceChange('twig/twig', '3.15', 5), 'class' => NullCoalesceBinary::class, 'associativity' => ExpressionParser::OPERATOR_RIGHT],
                 'or' => ['precedence' => 10, 'class' => OrBinary::class, 'associativity' => ExpressionParser::OPERATOR_LEFT],

tests/Fixtures/expressions/ternary_operator_nothen.test

@@ -3,8 +3,16 @@ Twig supports the ternary operator
 --TEMPLATE--
 {{ 'YES' ?: 'NO' }}
 {{ 0 ?: 'NO' }}
+{{ 'YES' ? : 'NO' }}
+{{ 0 ? : 'NO' }}
+{{ 'YES' ?  : 'NO' }}
+{{ 0 ?     : 'NO' }}
 --DATA--
 return []
 --EXPECT--
 YES
 NO
+YES
+NO
+YES
+NO