PHP

This article illustrates a method for compressing and decompressing a string in PHP. Share to everyone for your reference. as follows: The following PHP code through gzcompress and gzuncompress compression and decompression string, you can set the

This article mainly introduced the PHP to remove the 2 methods of the trailing space, this article has given the preg_replace substitution, the trim function two kinds of methods and has given the example, needs the friend to be possible to refer to

Instance The code is as follows      /**        * Generate signature content based on original text       *        * @param string $data original content       *        * @return String       */ function

GoDaddy mainframe in foreign countries. Put the site outside the station, show time may need time zone conversion, the following is a convenient tool function for time zone conversionThe code is as follows: * * Time zone conversion/function

  Verification code presumably everyone has seen it, in this article for you to introduce how to implement the color of PHP code, interested friends can refer to the following The code is as follows: Verify that the characters in the code are

Empty (), Is_null (), isset () Truth-table (difference) Let's take a look at the functional descriptions of these 3 functions www.111cn.net Isset determines whether a variable already exists, returns TRUE if the variable exists, or

In PHP, the dirname () function returns the directory portion of the path, __file__ the full path and file name of the currently running file. If used in the included file, the included file name is returned. This is a magic variable (predefined

  Weight calculation, a little modification can also be used for participle, word frequency statistics, full-text and spam detection, etc. The code is as follows: newtable ($aTable);

First of all, what is the BOM header? When you save a text file in UTF-8 format with a program like Notepad under Windows, Notepad adds a few invisible characters (the EF BB BF) to the front of the file, which is the so-called BOM (Byte order Mark).

Htmlspecialchars () Function filtering effect is not always as good as the Strip_tags () function filtering effect, the following has a good method, interested friends can refer to, I hope to help you In the development article system in the normal

  This article mainly introduces the PHP implementation to separate the array by the specified number. Need friends can come to the reference, I hope to help you. The code is as follows:/** * * separates the array by the specified number * @param

This article mainly introduces the PHP blocking page back method, so that the back of the page does not exist to prevent the page back, how to make the page does not exist, the temporary generated page can be, the following examples illustrate this

Permutation combination formula/permutation combination calculation formula P refers to the arrangement, from n elements to take R to arrange. Formula C refers to the combination, from n elements to take R, do not arrange, but in PHP we can use the

PHP recursive function in the use of return when you encounter can not be properly returned to the desired situation, let me give an example to illustrate thePHP recursive function in the use of return when you can not correctly returned to the

This article mainly introduces the PHP array key usage, the example analyzes the PHP array key value system automatic allocation principle and the use skill, has certain reference value, needs the friend to be possible to refer to under The

Share a use of PHP's GD library to generate thumbnails of examples, we refer to the use of the bar The code is as follows: Header ("CONTENT-TYPE:TEXT/HTML;CHARSET=GBK"); Ini_set ("Date.timezone", "Asia/chong"); Determine if the file is

To use PHP to protect another PHP process (the Apache module is running, and nginx, etc.) A.php to guard b.php. Gets the ID of the current process through the getmypid () function in b.php, writes the ID to the C.pid file, and deletes or clears

  example, Analog landing   code as follows /** * Simulate login * $url request Address * $post need post data * $cookie The co that was taken at the time of landing OKIE * $cookiejar cookie to be saved in the

This article mainly introduces PHP 5.3 and PHP 5.4 appear fastcgi error solution, need friends can refer to the following A lot of children's shoes in the configuration of PHP 5.3 or PHP 5.4 site after the source code open error, prompted The

  This article mainly introduces PHP to obtain the User IP address method, the need for friends can refer to the following REMOTE_ADDR can only obtain IP settings that are set in the visitor's local connection, such as 10 of its own on a