private function detectIndent(Tokens $tokens, $index)
{
static $goBackTokens = array(T_ABSTRACT, T_FINAL, T_PUBLIC, T_PROTECTED, T_PRIVATE, T_STATIC);
$token = $tokens[$index];
if ($token->isGivenKind($goBackTokens) || $token->isClassy() || $token->isGivenKind(T_FUNCTION)) {
$prevIndex = null;
$prevToken = $tokens->getPrevNonWhitespace($index, array(), $prevIndex);
if ($prevToken->isGivenKind($goBackTokens)) {
return $this->detectIndent($tokens, $prevIndex);
}
}
$prevIndex = $index - 1;
$prevToken = $tokens[$prevIndex];
if ($prevToken->equals('}')) {
return $this->detectIndent($tokens, $prevIndex);
}
// if can not detect indent:
if (!$prevToken->isWhitespace()) {
return '';
}
$explodedContent = explode("\n", $prevToken->content);
// proper decect indent for code: ` } else {`
if (1 === count($explodedContent)) {
if ($tokens[$index - 2]->equals('}')) {
return $this->detectIndent($tokens, $index - 2);
}
}
return end($explodedContent);
}
