<?php
# simple syntax
# OK
"$foo[$index_var]";
# simple syntax with explicit name boundaries with curly brackets
# Not OK: prettier swallows the dollar sign from $index_var
"${foo[$index_var]}";
# complex (curly) syntax
# OK
"{$foo[$index_var]}";
Output:
<?php
# simple syntax
# OK
"$foo[$index_var]";
# simple syntax with explicit name boundaries with curly brackets
# Not OK: prettier swallows the dollar sign from $index_var
"${foo[index_var]}";
# complex (curly) syntax
# OK
"{$foo[$index_var]}";
In a double quoted string using the so called simple syntax with explicit variable boundaries given by curly brackets prettier swallows the dollar sign from a variable nested inside the boundaries.
@prettier/plugin-php v0.19.4 Playground link
Input:
Output:
In a double quoted string using the so called simple syntax with explicit variable boundaries given by curly brackets prettier swallows the dollar sign from a variable nested inside the boundaries.