大约有 40,000 项符合查询结果(耗时:0.0170秒) [XML]

https://stackoverflow.com/ques... 

Getting the name of a child class in the parent class (static context)

... in short. this is not possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references: 30423 37684 34421 edit: an example of late static binding in PHP 5.3 (mentioned in comments). no...
https://stackoverflow.com/ques... 

Get name of caller function in PHP?

Is there a PHP function to find out the name of the caller function in a given function? 12 Answers ...
https://stackoverflow.com/ques... 

What is the canonical way to determine commandline vs. http execution of a PHP script?

I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...
https://stackoverflow.com/ques... 

How to properly add cross-site request forgery (CSRF) token using PHP

... just mixes it deterministically Try this out: Generating a CSRF Token PHP 7 session_start(); if (empty($_SESSION['token'])) { $_SESSION['token'] = bin2hex(random_bytes(32)); } $token = $_SESSION['token']; Sidenote: One of my employer's open source projects is an initiative to backport ra...
https://www.tsingfun.com/it/os... 

Linux 进程卡住了怎么办? - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...rocess在我们使用 Linux 系统时,如果网络或者磁盘等 I O 出问题,会发现进程卡住了,即使用 kill -9 也无法杀掉进程,很多常用的调试工具,比如 strace, pstack 等也都失灵了 在我们使用 Linux 系统时,如果网络或者磁盘等 I/O 出...
https://stackoverflow.com/ques... 

PHP script - detect whether running under linux or Windows?

I have a PHP script that may be placed on a windows system or a linux system. I need to run different commands in either case. ...
https://stackoverflow.com/ques... 

What's the use of ob_start() in php?

...ean() since ob_get_clean() essentially performs both functions. Reference: php.net/manual/en/function.ob-get-clean.php (PHP 4 >= 4.3.0, PHP 5) – Con Antonakos May 20 '15 at 16:49 ...
https://stackoverflow.com/ques... 

Getting the first character of a string with $str[0]

... Does PHP $str[0] take into account that there can be 2Byte long chars? UTF and such? (even though substr() does not help with it either!) – Tomer W Jun 26 '13 at 13:29 ...
https://stackoverflow.com/ques... 

Coalesce function for PHP?

...es have a coalesce function (returns the first non-NULL value, example ). PHP, sadly in 2009, does not. 9 Answers ...
https://stackoverflow.com/ques... 

How to resolve “must be an instance of string, string given” prior to PHP 7?

... Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error messa...