PHP

Mb_detect_encoding () ($STR); The code is as follows Copy Code Determine what the string is encodedif ($tag = = mb_convert_encoding (mb_convert_encoding ($tag, "GB2312", "UTF-8"), "UTF-8", "GB2312")) {}else {//if the gb23

1. It is quicker to use single quotes instead of double quotes to contain strings. Because PHP searches for variables in a string enclosed in double quotes, single quotes are not, note: only echo can do this, it is a "function" that can take

Example 1 PHP's own functions can remove/remove HTML tags/codes from strings. Strip_tags (String,allow): Functions strip HTML, XML, and PHP tags. Parameters: String, required, specify the strings to be checked, allow, optional, specify the labels

PHP time is generally used in the form of large integers is stored and called. The time () function returns a Unix timestamp for the current time. Definitions and usage The time () function returns a Unix timestamp for the current time. Grammar

Test program execution time in various environments in thinkphp projects do not use caching: The code is as follows Copy Code Header ("Content-type:text/html;charset=utf-8");$starttime =caltime ()//Start time$articles

Json_encode This function is to play the role of data transfer between different languages, especially PHP for the data exchange between JS is very convenient. But there are a few things to note when using this Json_encode function: 1 The data

Cases The code is as follows Copy Code $curlPost = ' a=1&b=2 ';//simulate post data$ch = Curl_init ();curl_setopt ($ch, Curlopt_httpheader, Array (' x-forwarded-for:0.0.0.0 ', ' client-ip:0.0.0.0 ')); Constructing IPcurl_

Var_dump () void Var_dump (mixed expression [, mixed expression [, ...]]) The Var_dump () method is to determine the type and length of a variable and output the value of the variable if the variable has a value that is the value of the variable

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The code is as follows:Copy code Include 'MySQL. Php ';$ Mysql = mysql: getObject ();$ Mysql-> query ("SELECT * FROM post ");$ Xml = new XMLWriter ();$ Xml-> openUri ('Hello. XML'); // or 'php: // output'$ Xml-> setIndentString ('');$ Xml->

The code is as follows:Copy code Function: addcomment    Adds a comment.    Parameters:$ Data-associative array of data, must contain 'name', 'Website', 'comment', 'date', 'User _ IP', 'User _ agent ', and 'spam '.      Returns:Id of the new

Class smallpic {Private $ src_pic; // source imagePrivate $ ico_pic = "003.png"; // watermark imagePrivate $ ico_text = "watermark"; // watermark textPrivate $ small_width; // The width of the thumbnail.Private $ small_height; // The height of the

User-defined function implementation pyramid The code is as follows:Copy code /*** Pyramid* String fun_py (int $ rows = 9, bool $ sort = true)* $ Rows indicates that the number of rows must be an integer and must be between 1 and 20* $ Sort

The code is as follows:Copy code /** Use PHP to determine whether a remote image (File) exists* Http://www.111cn.net*/Function check_remote_file_exists ($ url ){$ Curl = curl_init ($ url );    // Do not retrieve dataCurl_setopt ($ curl,

To obtain a short connection, you need to convert the short connection to a real url. By checking the information, we found that PHP provides a function get_headers () to complete this task, first obtain the header information, and then analyze the

Basic informationE_NOTICE indicates that it is not recorded in general cases and used only when the program has an error, for example, an attempt to access a non-existent variable or call the stat () function to view a non-existent file.E_WARNING is

PHP and HTMLPHP and HTML can interoperate: PHP can generate HTML, while HTML can transmit information to PHP. 1. How can I encode/decode the code when I use a form/URL to transmit values? 2. I am marking with , but the $ foo. x and $ foo. y

How to add a system user in PHP is a routine. Add a user named james and the root password is verygood. For reference only$ Sucommand = "su -- login root -- command ";$ Useradd = "useradd ";$ Rootpasswd = "verygood ";$ User = "james ";$ User_add =

 Php and html separation program// QQ: 695703951, I don't know the master's brother. I have some personal instructions. Learn fast...Class fc_view{Var $ fc_dir;// Specify the DirectoryVar $ fc_file;// View fileVar $ fc_aval = array ();// ArrayVar $