大约有 37,000 项符合查询结果(耗时:0.0437秒) [XML]

https://stackoverflow.com/ques... 

Using a .php file to generate a MySQL dump

...c(), I would choose the second one, which doesn't return the output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself. That external command will : be a call to mysqldump, with th...
https://stackoverflow.com/ques... 

How to determine the memory footprint (size) of a variable?

Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties. ...
https://stackoverflow.com/ques... 

How can I measure the speed of code written in PHP? [closed]

...ow three of those : Webgrind ; web interface ; should work on any Apache+PHP server WinCacheGrind ; only on windows KCacheGrind ; probably only Linux and linux-like ; That's the one I prefer, btw To get profiling files, you have to install and configure Xdebug ; take a look at the Profiling PHP...
https://stackoverflow.com/ques... 

How can I get the MAC and the IP address of a connected client in PHP?

...ow the MAC and the IP address of the connect clients, how can I do this in PHP? 16 Answers ...
https://stackoverflow.com/ques... 

get UTC time in PHP

How can I get UTC/GMT +/- time stamp using PHP's date() function? For example, if I try 12 Answers ...
https://stackoverflow.com/ques... 

Where can I find php.ini?

A few years ago I installed Apache 2.2x and PHP 5.3.1 on a Linux server I maintain. I used .tar.gz's and built them as instructed (instead of rpms and what-have-you). And all was fine. ...
https://stackoverflow.com/ques... 

Dynamically generating a QR code with PHP [closed]

... The easiest way to generate QR codes with PHP is the phpqrcode library. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Check whether an array is empty [duplicate]

... You don't need to count the elements or use empty(). A one-liner like php -r 'echo array() ? "T":"F";' will show the truthiness for an empty or non-empty array. – jerseyboy May 16 '14 at 13:08 ...
https://stackoverflow.com/ques... 

PHP script to loop through all of the files in a directory?

I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
https://stackoverflow.com/ques... 

Check to see if a string is serialized?

... unserialize raw user data since it can be used as an attack vector. OWASP:PHP_Object_Injection – ArtBIT Sep 1 '17 at 18:56  |  show 5 more co...