Get index for closest sibling token of given kind.
| public getTokenOfKindSibling ( integer $index, integer $direction, array $tokens = [], boolean $caseSensitive = true ) : integer | null | ||
| $index | integer | token index |
| $direction | integer | direction for looking, +1 or -1 |
| $tokens | array | possible tokens |
| $caseSensitive | boolean | perform a case sensitive comparison |
| return | integer | null | |
/**
* @param Tokens $tokens
* @param int $index Index of the token to check
* @param int $lowerLimitIndex Lower limit index. Since the token to check will always be in a conditional we must stop checking at this index.
*
* @return bool
*/
private function isInConditional(Tokens $tokens, $index, $lowerLimitIndex)
{
$candidateIndex = $tokens->getTokenOfKindSibling($index, -1, array(')', ';', ':'));
if ($tokens[$candidateIndex]->equals(':')) {
return true;
}
if (!$tokens[$candidateIndex]->equals(')')) {
return false;
// token is ';' or close tag
}
// token is always ')' here.
// If it is part of the condition the token is always in, return false.
// If it is not it is a nested condition so return true
$open = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $candidateIndex, false);
return $tokens->getPrevMeaningfulToken($open) > $lowerLimitIndex;
}