Here are two more: * The null-coalescing operator is also an are these even valid identifiers-coalescing operator – here $result is 2: $myvariable['x'] = 1;

Here are two more: * The null-coalescing operator is also an are these even valid identifiers-coalescing operator – here $result is 2: $myvariable['x'] = 1; $result = $myvvvvariiiiableee['x'] ?? 2; * '0e123' == '0e456'