PHP

Definitions and usageThe NL2BR () function inserts an HTML newline character () before each new row (n) in the string. GrammarNL2BR (String) parameter descriptionString required. Specify the string to check.ExampleEcho nl2br ("One line.nanother

is in fact also snobbish, cut the point to put the money; (refers to the beginning symbol ^ and the end sign $) 2 L. @4 t# N) ~ (BSpecial symbols do not recognize, get a back bar to guide the way (refers to. * and other special symbols) 0 B4 W0} (D2

First, we use an array to simulate a parameter pass. Received is a set of IDs, which I name here $nums: $nums [] = 1; $nums [] = 2; $nums [] = 3; $nums [] = 4; We then use the $data array to touch the contents of a data table, with ID, username:

Chroot-Changing the root directoryDescribeBoolean chroot (string $ directory)The directory of the current process in the changing root directory.This feature is only available if your system supports, and you use the CLI, CGI or embedded SAPI.

Just used PHP to write a website online number of procedures, please come in to guide!I use Php+mysql to write, principle: Website online number of program code + backstage has MySQL database support, you can directly statistics the current number

Php does not specify to output only html files. It can generate dynamic gif files. I encountered some problems when using php to dynamically generate gif images. Now I am using php4.05 (for win32) apache3.1.2 _ win32.Problem 1: The program that

The code is as follows:Copy code Class smtp{/* Public variables */Var $ smtp_port;Var $ time_out;Var $ host_name;Var $ log_file;Var $ relay_host;Var $ debug;Var $ auth;Var $ user;Var $ pass;/* Private variables */Var $ sock;/* Constractor

The functionality of the following instance is to filter all html tags and replace all text before the h1-h5 The code is as follows:Copy code For ($ I = 1; $ I {$ SQL = "SELECT * FROM 'table name 'where' field 'like' % % '"; $ Query =

SESSION applications in php are essential and one of the most important functions. SESSION is called "SESSION" in network applications ", we usually understand that it stores the information required for a specific user SESSION. In this way, when a

We only need to apply on Aurora website, and then record the appkey and write it in the code. I tested it in thinkphp. The code is as follows:Copy code Class ApipostAction extends Action {/*** Simulate post for url requests* @ Param string $ url*

Extract keywords from webpagesExtract and display keywords from the specified page. The code is as follows:Copy code $ Meta = get_meta_tags ('http: // www.111cn.net /');$ Keywords = $ meta ['keyword'];// Segmentation keyword$ Keywords = explode (

Substr interceptionThe substr () function returns part of the string.  The code is as follows:Copy code $ Rest = substr ("I am a Chinese",-1); // returns "garbled"Echo $ rest. ' ';$ Rest = substr ("abcdef",-2); // returns "ef"Echo $ rest. ' ';$

The PHP file_put_contents () function is the most suitable option for writing strings or appending string content to a file at a time.File_put_contents ()The file_put_contents () function is used to write a string to a file. The number of bytes

When PHP processes the page, we use iconv or mb_convert functions for character set Conversion. However, this is actually a prerequisite. That is, we must know in and out encoding in advance before we can perform the correct conversion.The following

One method can be used to limit the size of the PHP. INI configuration file to be uploaded. The other method can only be used to manually modify the Fckeditor source code. The method is as follows:1. Open config. php in the

The php program implements the pseudo static url as follows. The code is as follows:Copy code // Pseudo-static method 1// Localhost/php100/test. php? Id | 1 @ action | 2$ Php2Html_FileUrl = $ _ SERVER ["REQUEST_URI"];Echo $ Php2Html_FileUrl. "";

First, we need to know that the installation of curl_init in php is not usable, and we must open an account before it can be used.In php. ini in C/windows, I enabled the extension = php_curl.dll function, and then restarted apapche.Check whether

Instance descriptionUploading images to the server is an essential feature in program development. It not only achieves the purpose of image sharing, but also increases the website access volume and enriches the website content. In this example, we

Start time and end time of each time period. For example, in the seven-day separation, find the start time and end time of the current time period. Pay attention to the time zone!Note: do not simply modulo the timestamp. Instead, perform the modulo