PHP Tutorials

This article mainly for array intersection, determine whether the key exists in the array, merge two arrays, data sorting, add array, delete array elements, randomly extract array elements and other instances. This article mainly for array

The PHP dirname function returns the directory name dirname (PHP 4, PHP 5) DirName-Returns the component path of the directory name Describe String dirname (string $ path) Given that a string contains the path of the file, the function returns the

This tutorial only tells two places one is to use the Array function In_array to check the array for the existence of the specified string, and to use the Count function to determine the length of the array. Definition and usage This tutorial only

PHP Tutorial Regular expression validation numbers Non-negative floating-point number (positive floating point + 0): ^d+ (. d+)? $Positive floating-point number ^ ([0-9]+.[ 0-9]*[1-9][0-9]*) | ([0-9]*[1-9][0-9]*. [0-9]+) | ([0-9]*[1-9][0-9]*)) $Non-

1: First install Apache: Open Terminal (ctrl+alt+t), Input command:sudo apt-get install apache2 can be installed, After the installation, open the browser, enter in the address bar:localhost or http://127.0.0.1 See it works to show that the

PHP source code has been migrated from subversion to Git, and the source is hosted on GitHub, which means the PHP source is easier to maintain and facilitates external contributors to create patches and merge code. 498) this.width=498; '

Definition and usage The strlenThe length string returned by the () function. His function is to calculate the length of the word character, Chinese one word is 2Grammar Strlen (String) Parameter Description String

PHP is an open-source scripting language, since its inception in 1994, has been driven by the development of the Internet and open source movement, has made rapid development (in recent years, the development rate of up to 37%, significantly higher

Create a directory with mkdir there is a bit like dos inside the creation of the directory Oh, the method is very simple, about the deletion of the directory, here with the rmdir, but only delete empty directory, you can not delete files or folders

PHP Base64_decode and Base64_encode Base64_decode(PHP 4, PHP 5)Base64_decode-BASE64 encoded mime of decoded dataDescribeString Base64_decode (String $ data [, Boolean $ strict = false])Decodes a BASE64 encoded data.ParametersDataEncoded

★abs Effect: obtains absolute value. Syntax: Mixed ABS (mixed number); ★acos Function: Obtain the inverse cosine value Syntax: float acos (float arg); ★ada_afetch Function: Gets the return column of the database. Syntax: int ada_afetch (int result_

Keep reading and you'll find something new! Table A Function Description Instance filesize ($file) !--? php tutorial //get file size in bytesecho ' size is " . FileSize (& #39; myfile.html& #39;). "bytes";

We are learning PHP function Pack Definition: Compress the data into the string in place. Grammar: String Pack (string format, mixed [args] ...); return value: String PHP function Pack Type: Data processing PHP Function Pack Content

Arrayis a form of organizing a number of variables of the same type in an orderly manner, in order to deal with them conveniently. The collection of these ordered, homogeneous data elements is called an array. The following describes the array

This is like a human having children (why must we have children, is it to prevent the old!) You have some of your genes and your wife's genes, and you have to regenerate them into a new individual, and this new personality will certainly contain the

In PHPComparing cookies in development, Sessionis a session that is stored on the server side, is relatively secure, and does not have a storage length limit like a Cookie. The following is an introduction to the session. Session and Cookie in

PHPis a server-side scripting language that is easy to learn and use. With minimal programming knowledge, you can use PHP to build a truly interactive web site. This tutorial does not want you to fully understand the language, but it will allow you

Today, let's take a closer look at the deep-seated concepts of the PHP language. Special Note: This PHP eval encryption decryption program seems to have to be used on the PHP5, I tested the encryption code in eval (Gzinflate (Base64_decode ("Codes")

In the PHP Runtime environment to configure IIS7 implementation of Basic authentication methods, in fact, there are several methods of IIS7 authentication, such as Windows Authentication, Digest authentication, and so on, relatively IIS7 Basic

Most Web developers are starting to use A script that sends an e-mail message may be one of the most common scripts you can find on a Web site, although it's simple, and a mail script can sometimes make the programmer very frustrated. PHP has a