大约有 17,000 项符合查询结果（耗时：0.0174秒） [XML]
Parsing a string into a boolean value in PHP
Today I was playing with PHP, and I discovered that the string values "true" and "false" are not correctly parsed to boolean in a condition, for example considering the following function:
...
Checking if an instance's class implements an interface?
... "Yes!";
}
class_implements() is part of the SPL extension.
See: http://php.net/manual/en/function.class-implements.php
Performance Tests
Some simple performance tests show the costs of each approach:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
_...
How do I create a simple 'Hello World' module in Magento?
...
First and foremost, I highly recommend you buy the PDF/E-Book from PHP Architect. It's US$20, but is the only straightforward "Here's how Magento works" resource I've been able to find. I've also started writing Magento tutorials at my own website.
Second, if you have a choice, and aren't a...
乘着App的创业浪潮 行业短信也迎来了新生和爆发 - 资讯 - 清泛网 - 专注C/C...
...新生之后，如何提升用户体验，解决消息延迟、被拦截等问题成为了行业短信面临的最大难题。
逆势崛起：验证短信迎来脱胎换骨
毫无疑问，短信正在死亡，最具有代表性的便是拜年短信。除夕是拜年短信发送的高峰，甚至...
How can I store my users' passwords safely?
... MD5 ? I've just started looking into password security. I'm pretty new to PHP.
6 Answers
...
Best way to initialize (empty) array in PHP
...creation and instantiation. I wonder whether there are any equivalences in PHP?
8 Answers
...
创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...这个东西并不是神器，实施了就可以解决所有软件公司的问题，而是要结合自己公司的特点和问题摸索出适合自己的一套模式。
大家都知道，创业公司刚开始需要研发出一款产品并且能够使公司赚钱的产品，不过大部分创业公...
DoModal() 不显示的问题总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
DoModal() 不显示的问题总结int nResponse = dlg.DoModal();对话框窗口不显示，返回值为-1。出现这种情况一般是.rc资源文件的问题导致。1、核对一下resource.h，本...int nResponse = dlg.DoModal();对话框窗口不显示，返回值为-1。
出现这种情况一...
支付宝回应幽灵账户：不必担心冒名贷款 - 资讯 - 清泛网 - 专注IT技能提升
...未知的“幽灵”账户，是否会造成主账户用户的资产损失问题，蚂蚁金服相关工作人员接受21世纪经济报道记者采访时称，实名认证账户下关联的子账户无法借用户身份发起蚂蚁花呗等贷款服务，并且支付宝有额外的风控手段进...
记一次数据库表自增长（Auto Increment）故障 - 数据库(内核) - 清泛网 - ...
...被一阵急促的报警短信声惊醒，原来是数据库的某个表出问题了，虽然查询操...故障的来龙去脉大致是这样的：在一个月黑风高的晚上，苦逼的程序员被一阵急促的报警短信声惊醒，原来是数据库的某个表出问题了，虽然查询操...