possible_comma   1063 Zend/zend_language_parser.y 	|	non_empty_static_array_pair_list possible_comma	{ zend_ast_dynamic_shrink(&$1.u.ast); $$ = $1; }
possible_comma   1066 Zend/zend_language_parser.y possible_comma:
possible_comma   1225 Zend/zend_language_parser.y 	|	non_empty_array_pair_list possible_comma	{ $$ = $1; }