function string_cast_for_basic_switch()

in src/legacy_fixme/coercions.php [502:516]

• 14 lines of code
• 10 McCabe index (conditional complexity)

function string_cast_for_basic_switch(
  mixed $value,
  ?arraykey $first_case,
)[]: string {
  if ($value is string) return $value;
  if ($value is null) return '';
  // check for 0ish or true
  if (($value is num && !$value) || ($value is bool && $value)) {
    return ($first_case as ?string) ?? SWITCH_STRING_SENTINEL;
  }
  if ($value is \StringishObject && !($value is \ConstCollection<_>)) {
    return (string)($value as dynamic); // this will throw
  }
  return SWITCH_STRING_SENTINEL;
}