wimg / PHPCompatibility

     */

    private function isTCoalesceEqual($tokens, $stackPtr)

    {

        if ($tokens[$stackPtr]['code'] !== T_EQUAL || isset($tokens[($stackPtr - 1)]) === false) {

            // Function called for wrong token or token has no predecesor.

            return false;

        }

        if ($tokens[($stackPtr - 1)]['type'] === 'T_COALESCE') {

            return true;

     */

    private function isTCoalesce($tokens, $stackPtr)

    {

        if ($tokens[$stackPtr]['code'] !== T_INLINE_THEN || isset($tokens[($stackPtr - 1)]) === false) {

            // Function called for wrong token or token has no predecesor.

            return false;

        }

        if ($tokens[($stackPtr - 1)]['code'] === T_INLINE_THEN) {

            // Make sure not to confuse it with the T_COALESCE_EQUAL token.

        if ($tokens[($stackPtr - 1)]['code'] === T_INLINE_THEN) {

            // Make sure not to confuse it with the T_COALESCE_EQUAL token.

            if (isset($tokens[($stackPtr + 1)]) === false || $tokens[($stackPtr + 1)]['code'] !== T_EQUAL) {

                return true;

            }

        }

        return false;