大约有 32,000 项符合查询结果(耗时:0.0252秒) [XML]

https://stackoverflow.com/ques... 

How can I compare two dates in PHP?

How can I compare two dates in PHP? 13 Answers 13 ...
https://www.fun123.cn/reference/iot/UDP.html 

App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

...设备标识符。然后,接收器会过滤掉它感兴趣的设备。 问题是:App Inventor 没有内置 UDP,而且我找不到可用的扩展。所以自己动手吧。 注意: 如果智能手机和远程站位于同一个(本地)网络中,则扩展可以完美运行。如果智...
https://stackoverflow.com/ques... 

php: determine where function was called from

is there a way to find out, where a function in PHP was called from? example: 8 Answers ...
https://stackoverflow.com/ques... 

How do I get the current date and time in PHP?

Which PHP function can return the current date/time? 38 Answers 38 ...
https://stackoverflow.com/ques... 

How to catch curl errors in PHP

I am using PHP curl functions to post data to the web server from my local machine. My code is as follows: 5 Answers ...
https://stackoverflow.com/ques... 

Best Practices: working with long, multiline strings in PHP?

...ne string. $var EOT; The difference between Heredoc and Nowdoc is that PHP code embedded in a heredoc gets executed, while PHP code in Nowdoc will be printed out as is. $var = "foo"; $text = <<<'EOT' My $var EOT; In this case $text will have the value My $var. Note: before the clo...
https://stackoverflow.com/ques... 

Double not (!!) operator in PHP

What does the double not operator do in PHP? 6 Answers 6 ...
https://stackoverflow.com/ques... 

Can I try/catch a warning?

I need to catch some warnings being thrown from some php native functions and then handle them. 11 Answers ...
https://stackoverflow.com/ques... 

How to let PHP to create subdomain automatically for each user?

...ess htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language? ...
https://stackoverflow.com/ques... 

Resize image in PHP

I'm wanting to write some PHP code which automatically resizes any image uploaded via a form to 147x147px, but I have no idea how to go about it (I'm a relative PHP novice). ...