摘要：
* APC缓存apc_add — 缓存一个变量到数据存储* DateTimeDateTime::addDateTime::diffDateTime::formatDateTime::modifyDateTime::sub...* DateIntervalformat character Description% Literal %Y Years, numeric, at least 2 digits with leading 0y Years, numericM Months, numeric, at least 2 digits with leading 0m Months, numeric 阅读全文
