php iif

The following example extracts a piece of code in WordPress, which is useful to http://input, and needs to be further studied. The code is as follows Copy Code if (!isset ($HTTP _raw_post_data)) {$HTTP _raw_post_data =

/ The code is as follows Copy Code * First, this procedure is based on DIV+CSS tutorial new architecture PHP probe, free open source free software, powerful, clear structure, easy to use.1. Support

Dede CMS Template Application php syntax method{dede:field.test_go Php=yes}//test_go variable variable variables to be judged by itselfif (@me = = "" | | Empty (@me))//To determine whether an empty @me can be assigned to judge if it is empty to

PHP executes many external commands, such as exec, shell_exec, System, Popen, and so on.I specifically said Popen, which is not the same as the other functions, the other functions after executing a command, will wait for it to return, and then

First, nginx anti-theft chain#vi/usr/local/nginx/conf/vhost/test.com.conf#/usr/local/nginx/sbin/nginx-t#/usr/local/nginx/sbin/nginx-s Reload#curl-E "http://www.baidu.com/1.txt"-x127.0.0.1:80-i test.com/1.gif//Hint 403#curl-E

With the upgrade of web security hot spots, the code security of web applications is gradually flourishing. More and more security personnel are investing in this field, and more application code vulnerabilities are exposed. Relatively speaking,

Suppose the array has 10,000 elements, the key value is a unordered positive integer less than 1000000, and is not contiguous, as follows $arr =array (1=> ' a ',20=> ' ad ',5002=> ' ss ',190023=> ' SD ',248=> ' ff ',76=> ' sddd ' ...); Now you want

Compare | programming before using PHP to write a simple class, the main function is to solve, a large number of pages need to display a Drop-down list box to select the year/month/day/week. I hope you can learn PHP and Java to help. The

I. Coding Range1. GBK (gb2312/gb18030)X00-xff GBK Two-byte coding rangex20-x7f ASCIIXa1-xff ChineseX80-xff Chinese 2. Utf-8 (Unicode)U4e00-u9fa5 (Chinese)x3130-x318f (Korean)XAC00-XD7A3 (Korean)u0800-u4e00 (Japanese)PS Tutorial: Korean is greater

Chinese code Double-byte character encoding range: 1. GBK (gb2312/gb18030) \X00-\XFF→GBK two-byte coding range\x20-\x7f→ascii remove characters from non-Chinese characters\xa1-\xff Chinese →gb2312 out all Chinese (excluding alphanumeric and