PHP

  /*Php uses ISO-8859-1 to process strings, that is, to process strings in a single byte. The Chinese code is a multi-byte character. When substr is used,Strlen, str_peplace, and other functions are prone to errors. Special Chinese operations must

  $ Arr = getimagesize ("images/album_01.gif ");Echo $ arr [3];$ Strarr = explode ("", $ arr [3]);Echo $ strarr [1];?>

Now we have the file that needs to be cross-referenced through the $ REMOTE_ADDR variable, so that we can distinguish whether the user who wants to post has been flattened or not. Simple:For ($ counter = 0; $ counter If ($ banned_array [$ counter] =

/*** Convert to UNIX Timestamp*/Function gettime ($ d ){If (is_numeric ($ d ))Return $ d;Else {If (! Is_string ($ d) return 0;If (ereg (":", $ d )){$ Buf = split ("", $ d );$ Year = split ("[-/]", $ buf [0]);$ Hour = split (":", $ buf [1]);If (eregi

Php Rename and copy files$ Nname = $ nowpath. $ newfilename;If (file_exists ($ nname) |! File_exists ($ oldname )){M ($ nname. 'The target file already exists or the original file does not exist ');} Else {M (basename ($ oldname). 'rename '.

Php converts text files to csv files Php converts text files to csv filesThis class provides a quick and easy way to convert a CSV file to a fixed width. It can use SplFileObject to execute iterations so that an iteration that is very efficient only

Function fPageCount ($ TotalResult, $ numPerPage, $ Page ){$ NaviLength = '10'; // display quantity$ ShowMorePageGo_Type _ = 0; // jump style$ Int_showNumberLink _ = '10 ';$ NonLinkColor _ = "#999999 ";$ ToF _ = " 9 ";$ ToP10 _ = " 7 ";$ ToP1 _ = "

Php fgets Function Fgets(PHP 4 and PHP 5)Fgets-get the pointer to the line slave FileDescriptionString fgets (resource $ processing [summary $ length])Get the line from file pointer.ParametersHandleThe file pointer must be valid and must point to a

  Definition and usageMysql tutorial _ field_type() Specifies the field type in the returned result set of the function. If the operation succeeds, the type of the specified field is returned. If the operation fails, false is returned.

The trim function in php cannot automatically delete all spaces like in asp. It provides the rtrim () trim () function and can be referenced as needed. The Code is as follows: Copy code $str=" 去除前后空格 ";echo "方括号中为原始字符串：[".$

In the fourth phase of the PHP built-in Function Research Series, The parse_str function is used to parse the query string to the variable. This article mainly discusses the functions and usage of the parse_str () function. The parse_str () function

In php, The strtotime () function resolves the date and time descriptions of any English text into Unix timestamps. This function is also frequently used. If you need it, please refer to it. SyntaxStrtotime (time, now) parameter descriptionTime

Use php and imagemagick to process upload and zoom of image filesPhp is very easy to process file uploads. However, if you want to scale the uploaded image, you can use GD,Complicated processing is required. ImageMagick is an image processing

Author: East Yi snakeAfter calling JavaBean in PHP4 and trying to call COM, I thought it was very difficult. I wrote an Active Dll using VB6 and called it in PHP4 immediately, it is much more convenient than calling javabean. The following describes

Application InstanceThe POP3 mail receiving class has already been described in detail in the previous article. Let's take a look at how to apply this class:　　 Include ("pop3.inc. php ");$ Host = "pop.china.com ";$ User = "boss_ch ";$ Pass = "026007

If (eregi ("^ [_. 0-9a-z-] + @ ([0-9a-z] [0-9a-z-] +.) + [a-z] $", $ email )){Echo "your email has passed the preliminary check ";}?>In this sentence, an eregi function is first applied, which is quite understandable. If you look for a book, you can

Grasp pear: BenchMark. Now you know how to test your code and how to determine which part of your code is slow. Next I will talk about how to eliminate or optimize the slow code.In this regard, my main experience is only two points. One is to

Ajax pagination php ajax pagination java ajax pagination asp.net ajax pagination jquery ajax pagination jsp ajax refreshing pagination asp ajax pagination implementation pagination ajax jsp paginationNext, let's look at the page. js code in the

/* ClassName: ImageHandler* Filename: ImageHandler. phpcls* Author: Tony Don* Date: 2008-03-27* @ Copyright txdnet.com* Function: Handler Images*/ Class ImageHandler{Var $ dst_img; // target fileVar $ h_src; // image resource handleVar $ h_dst; //

Php tutorial File Download instance codeFunction xiazai ($ file_dir, $ file_name)// Parameter description:// File_dir: directory of the file// File_name: File Name{$ File_dir = chop ($ file_dir); // remove unnecessary spaces in the path// Obtain the