Support variable variables in strings

Allow `${$var}` and `{$$var}` syntax to be highlighted inside double quoted strings.
biinari · Jul 1, 2024 · 9d45c2b · 9d45c2b
1 parent 4bae3c2
commit 9d45c2b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/syntax/php.vim b/syntax/php.vim
@@ -600,8 +600,8 @@ syn match phpMethod /\h\w*/ contained
 syn match phpSplatOperator  "\.\.\." contained display
 
 " Identifier
-syn match  phpIdentifier         "$\h\w*"  contained contains=phpSuperglobals,phpVarSelector display
-syn match  phpIdentifierSimply   "${\h\w*}"  contains=phpOperator,phpParent  contained display
+syn match  phpIdentifier         "$$\?\h\w*"  contained contains=phpSuperglobals,phpVarSelector display
+syn match  phpIdentifierSimply   "${$\?\h\w*}"  contains=phpOperator,phpParent  contained display
 syn region phpIdentifierComplex  matchgroup=phpParent start="{\$"rs=e-1 end="}"  contains=phpIdentifier,phpIdentifierSimply,phpSpecialChar,phpMethodsVar,phpStringSingle,phpStringDouble,phpBacktick,phpStrEsc contained extend
 
 " Boolean