php_output_stack_apply_clean   71 main/output.c  static int php_output_stack_apply_clean(void *h, void *c);
php_output_stack_apply_clean  332 main/output.c  		zend_stack_apply_with_argument(&OG(handlers), ZEND_STACK_APPLY_TOPDOWN, php_output_stack_apply_clean, &context);