--TEST-- JIT FETCH_DIM_R: 003 --INI-- opcache.enable=1 opcache.enable_cli=1 opcache.file_update_protection=0 ;opcache.jit_debug=257 --EXTENSIONS-- opcache --FILE-- getMessage() . \PHP_EOL; } $x = "a"; $y = "b"; try { var_dump($a[$x . $y]); } catch (\TypeError $e) { echo $e->getMessage() . \PHP_EOL; } var_dump($a["2x"]); $x = "2"; $y = "x"; var_dump($a[$x . $y]); } foo(); ?> --EXPECTF-- string(1) "A" string(1) "C" Warning: String offset cast occurred in %s on line %d string(1) "B" string(1) "A" string(1) "C" Warning: String offset cast occurred in %s on line %d string(1) "A" Warning: String offset cast occurred in %s on line %d string(1) "B" Warning: String offset cast occurred in %s on line %d string(1) "A" Cannot access offset of type string on string Cannot access offset of type string on string Warning: Illegal string offset "2x" in %sfetch_dim_r_003.php on line 24 string(1) "C" Warning: Illegal string offset "2x" in %sfetch_dim_r_003.php on line 27 string(1) "C"