标签:php-5.4
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PHP DateTime对象不会为我输入无效的日期错误? - php
为什么php DateTime对象不会为我输入无效的日期错误?例如, $date_test = '13-10-31'; $datetime = new DateTime(); $date = $datetime->createFromFormat('Y-m-d', $date_test); $date_error […]
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PHP类中的常量和“static”关键字 - php
请考虑以下代码: class App { const ALERT_ERROR=1; const ALERT_WARN=2; const ALERT_INFO=3; public static function alert($title,$type=ALERT_ERROR) { switch ($type){ default: case static::ALE […]