Php Round Function

I want to dizzy, in the end I want to listen to whom? In the web development world, PHP is one of the most popular languages, and from PHP you can easily find the script you need. Unfortunately, few people use "best practices" to write a PHP program. Here, we introduce PHP 10 best practices, of course, each one is proven by masters derived. 1. Use PHP at the right time - Rasmus Lerdorf No one better than PHP creator Rasmus Lerdorf understands that PHP is used in ...

First, get to know the random number function rand () provided by the PHP tutorial. The rand () function of PHP returns a random integer using the following rand (Min,max) optional argument min and Max can cause rand () to return a pseudo random integer between 0 and Rand_max. For example, want a random number between 5 and 15 (including 5 and 15), with Rand (5, 15). Let me take a look at a specific example, we do a basic function call, do not set the specific parameters, we get the random number ...

The following about the PHP tutorial 3D pie chart Class drawing class function implementation principle is based on//ellipse long axis and other parameters to draw a 3D pie graphics code.  Class chart{var $a;//elliptic long half axis var $b;//elliptic short axis var $DataArray; Each sector of the data var $ColorArray; The color of each pie is required to be written in hexadecimal but not preceded by 0x/edge and Shadow for black functio ...

PHP Tutorial Conversion timestamps for the common date format and calculation time difference: The default return type is "minutes" function trans_time ($ timestamp) {if ($ timestamp <1) echo 'invalid unix timestamp'; else return date ("ymd h: i: s ", $ timestamp);} // Get ip function g ...

image mask * * @copyright ugia.cn * / function imagemask (& $ im, $ x1, $ y1, $ x2, $ y2, $ deep) {for ($ x = $ x1; $ x <$ x2; $ x + = $ deep) {& nbs ...

Round (PHP3, PHP4) round---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Take four pick five into syntax: Double round (double Val [, int precision]); Description: Returns the value of four to five after Val. Example: <?php &n ...

This cost me a lot of time, the use of php, my head is mysql, it has been affected by a paging category, access is not supported limit page, like the same key, the problem solved immediately. Look at the comments should be very easy to understand, access to the paging sql from asp json google code up 001 <? Php 002 / ** 003 // paging class 004 * / 00 ...

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PHP commonly used date function [date plus minus, two date difference, date conversion time Cut] The following code is some commonly used date processing functions, you can add and subtract two times, the difference between two dates, date conversion time cut. echo Date (' y-m-d ', Strtotime (' +1 d ', strtotime (' 2009-07-08 '))//Date days Add function echo Date ("y-m-d", ' 1246982400 '); EC ...

There are many cross-site scripting vulnerabilities in many domestic forums, and there are (quite a few) foreign (and many) more such examples, and even Google (also) has appeared, but was fixed in early December. (Editor's note: For cross-site scripting exploits, readers can refer to "Detailed XSS cross-site scripting attacks"). Cross-site attacks (very) easy to construct, and very subtle, not easy to be detected (usually steal information immediately after the jump back to the original page). How to attack, not to explain here ((and) Do not ask me), the main talk about how to prevent. First of all, cross-site scripting attacks are (due) to the user's ...