wikimedia / mediawiki

					$this->t->scanOperand = true;

				break;

				case KEYWORD_IN:

					// An in operator should not be parsed if we're parsing the head of

					// a for (...) loop, unless it is in the then part of a conditional

					// expression, or parenthesized somehow.

					if ($x->inForLoopInit && !$x->hookLevel &&

						!$x->bracketLevel && !$x->curlyLevel &&

						!$x->parenLevel

					)

						break 2;

				// FALL THROUGH

				case OP_COMMA:

					// A comma operator should not be parsed if we're parsing the then part

					)

						break 2;

				// FALL THROUGH

				case OP_COMMA:

					// A comma operator should not be parsed if we're parsing the then part

					// of a conditional expression unless it's parenthesized somehow.

					if ($tt == OP_COMMA && $x->hookLevel &&

						!$x->bracketLevel && !$x->curlyLevel &&

						!$x->parenLevel

					)

						break 2;

				// Treat comma as left-associative so reduce can fold left-heavy

				// COMMA trees into a single array.

				// FALL THROUGH