PHP

Is PHP decimal calculation too boring? If (0.030 & nbsp ;! = & Nbsp; (0.530-0.500 + 0 + 0) {& nbsp; $ s & nbsp ;=& nbsp; 0.530-0.500 + 0 + 0; & nbsp; $ s & nbsp; = & nbsp; 0.03 & n is the calculation method of PHP decimal places too boring? If (0.030

Questions about assignment and judgment statements & nbsp; if & nbsp; ($ userName = "system") {& nbsp; $ userName_msg = "auto"; & nbsp;} else {& nbsp; $ u questions about assignment and judgment statements If ($ userName = "system "){$ UserName_msg

Question about Array output: This post was last edited by redirggg in 2013-07-0411: 55: 04 Array (& nbsp; [IsSuccesfull] & nbsp ;=& gt; & nbsp; 1 & nbsp; & Questions about array output This post was last edited by redirggg at

After two days of failure, I announced the failure. please help me !! The following code directly processes the image as a garden with four corners. However, the generated image does not generate a file. you can generate a file to be processed in

Inconsistent localhost/test. phplocalhost/test. php files are the same file. the previous content is one sentence. & nbsp; print_r ($ _ COOKIE). However, the php cookies displayed in the two URLs are inconsistent. Localhost/test. php Localhost/test.

I would like to ask a question about code decryption. could you tell me how to decrypt it? & nbsp; & lt ;? Php & nbsp; $ OOO0O0O00 =__ FILE __; $ OOO000000 = urldecode ('% 74% 68% 36% 73% 62% 65% 68% 71% 6c % 61% 63 ask a code decryption

How to combine two segments of code into a function // php $ query_hx_php = & nbsp; "SELECT & nbsp; * & nbsp; FROM & nbsp; content_publish & nbsp; WHERE & nbsp; how does content_language_c combine two code segments into a

Design of return values: a simple question: if a function operation fails to be designed & nbsp; everyone is used to returning & nbsp; 0 & nbsp; or & nbsp; false & nbsp; or & nbsp; -1? I am used to returning & nbsp;-1. I just think it is a good

How does a pseudo-static rule under htaccess become http. ini. this is the content in htaccess & nbsp; because your vps is equipped with iss & nbsp; you cannot get it & nbsp; what about & nbsp; rewrite it to & nbsp; http. what about ini & nbsp;

Thinkphp in ubuntu cannot be enabled with both the database and rewrite, but the page is blank after the project is opened. please advise if thinkphp in Ubuntu cannot be used. Both the database and rewrite are enabled, but the page is blank after

Php loop result set new users This post was last edited by zuoan2008 from 2013-07-0615: 47: 24 class_db.php & lt ;? PhpClass & nbsp; MySQLDB {var & nbsp; $ host; var & nbsp; $ user; var & n php loop result set beginner This post was last edited by

I have set a cookie in php as follows: setcookie ("cookie_name", & nbsp; "abcd", & nbsp; time () + 3600); this means that the cookie has a validity period of 3600 seconds. if I have a question about setting the cookie validity period in php at 300th

How to get Baidu coordinate api returned json format string or object json is not very familiar, such as calling this interface http://api.map.baidu.com/ag/coord/convert? From = 2 & amp; to = 4 & amp; x = 116.40624058825688 & amp; y = 39. how to get

$ _ FILE: $ _ FILE () whether the format is system function or pre-defined variable. I think the php Manual is a pre-defined variable, but some course lecturers talk about system functions, who is right? $ _ FILE $ _ FILE () is this format a system

For beginners of PHP, & lt; label & nbsp; for & nbsp ;=& nbsp; "file" & nbsp; & gt; 674548322 & lt; /label & gt; & nbsp; // seriously do not understand !!!! & Lt; input & nb PHP beginners, some questions about the statement format 674548322//

How can I select a drop-down list to display the corresponding language and language problems? I am using gettext to do multiple languages now. I don't know how to solve these problems: I. Select a drop-down list to display the corresponding

How do I use foreach to output cyclic tables? The data in the database is (below is a student's course selection information) on the My Page $ course = $ row ['course _ id']; $ SQL = "select & nbsp; * & nbsp; from & nbsp; think_course & nbsp; where &

What is the efficiency comparison between distinct and groupby? It's not a difference. it's a matter of efficiency. let's talk about why distinct or group & nbsp; by is very efficient. I don't quite understand it ........ & Nbsp; efficiency

Thinkphp does not select to upload a file & lt; html & gt; & lt; head & gt; & lt; title & gt; file upload & lt;/title & gt; & lt; /head & gt; & lt; body & gt; & lt; form & nbsp; method = "post" & nb thinkphp does not select to upload files File

PHP retrieves formURL [urgent, online, etc.] with two pages. Index.htmland index_do.phpindex.html: & lt; form & nbsp; name = "userlogin" & nbsp; action = "/member/I PHP get form URL [urgent, online, etc] There are two pages. Index.html and index_