PHP_CodeSniffer_File::findImplementedInterfaceNames PHP Method

    public function findImplementedInterfaceNames($stackPtr)
    {
        // Check for the existence of the token.
        if (isset($this->_tokens[$stackPtr]) === false) {
            return false;
        }
        if ($this->_tokens[$stackPtr]['code'] !== T_CLASS) {
            return false;
        }
        if (isset($this->_tokens[$stackPtr]['scope_closer']) === false) {
            return false;
        }
        $classOpenerIndex = $this->_tokens[$stackPtr]['scope_opener'];
        $implementsIndex = $this->findNext(T_IMPLEMENTS, $stackPtr, $classOpenerIndex);
        if ($implementsIndex === false) {
            return false;
        }
        $find = array(T_NS_SEPARATOR, T_STRING, T_WHITESPACE, T_COMMA);
        $end = $this->findNext($find, $implementsIndex + 1, $classOpenerIndex + 1, true);
        $name = $this->getTokensAsString($implementsIndex + 1, $end - $implementsIndex - 1);
        $name = trim($name);
        if ($name === '') {
            return false;
        } else {
            $names = explode(',', $name);
            $names = array_map('trim', $names);
            return $names;
        }
    }