Php Milliseconds

php tutorial Date format Detailed Description php all the functions are unix era, that is from January 1, 1970 onwards. The date is the number of seconds since this time. When a function calls the number of seconds counted from this time, it is treated as a times **** p timestamp. Local time function 1. string date (string format, inieger times **** p) This function returns a string representing the time, controlled by the string format. ...

mt_rand () Returns a random integer using the mersenne twister algorithm. Syntax mt_rand (min, max) Description mt_rand () returns a pseudo-random number from 0 to rand_max if the optional parameters min and max are not provided. For example, want a random number between 5 and 15 (including 5 and 15), using mt_rand (5, 15). * / echo mt_rand (); & nb ...

MySQL database has 10 tens of thousands of data, using rand () to extract a random 10 records, resulting in high server CPU consumption until the crash ~ Baidu has consulted some information, and then combined with some of their own experience, the following solutions: $idlist = '; For ($i =1 $i <=20; $i + +) {if ($i ==1) {$idlist =mt_rand (3,25216);} else{$idlist = $idlist.

Author: Ruan Yifeng 1. Kyle Rush is a site engineer. In June 2011, he joined BarackObama.com to design Obama's official website for the 2012 U.S. presidential election. (The picture shows the official website of Obama in June 2011) In addition to publicity, the main purpose of the official website is to raise funds. The last general election, Obama raised $ 690 million. This is a very large figure. However, as the U.S. economy has not shown any improvement over the past four years, it is imperative that more investment be made in this general election and that the estimated fund needs within the team will reach a record high.

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall 1. 　　   　　Kyle Rush is a website engineer. 　　   　　He joined BarackObama.com in June 2011 to design the Obama website for the 2012 U.S. election. 　　In addition to publicity, the main purpose of the official website is to raise money. Obama raised 690 million dollars in the last election. This is a ...

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Absrtact: I have written an article on the selection of host very early, may also be a series of articles it is probably not a good idea, because since I am a host business, it is inevitable that the wangs sell melons suspicion. But I'm also a mainframe client. I wrote an article about picking up a host very early on, or maybe it was a series of articles--it's probably not a good idea, because since I'm a host, it's hard to avoid the suspicion of selling melons. However, I am also a mainframe customer--relative to my upstream, so this article or this ...

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