PHP Tutorials

Instance Convert the first character of each word to uppercase: Definition and usage The Ucwords () function converts the first character of each word in a string to uppercase. Note: This function is binary safe. Related functions: Ucfirst ()-

Traversing an array is the most common in programming, and here's a discussion of the for and foreach two methods: First, we'll prepare two arrays for traversal: $arr 1=array (1=> ' A ', 3=>22, 5=> ' B ', 4=> ' C ', 8=> ' d '); $arr 2=array (' a ' +

Instance Comparison of two strings (case-sensitive): Definition and usage The strcmp () function compares two strings. Note: the strcmp () function is binary safe and case-sensitive. Tip: This function is similar to the strncmp () function, but by

When you need to process the definition error log in a project, you need to modify the output of the custom error log (log, email, text) I. Register_shutdown_function (Array (' Phperror ', ' shutdown_function ')); Defines a function that executes

This article mainly introduces the Fgetcsv () function usage in PHP, demonstrates the method of using Fgetcsv () function to manipulate CSV format file in the instance form, has certain reference value, the need friend can refer to the

The operator precedence specifies how tightly the two expressions are bound. For example, the result of an expression 1 + 5 * 3 is 16 instead of 18 because multiplication sign ("*") has a higher precedence than a plus sign ("+"). You can use

The explode () function in PHP is to split another string with one string and return an array of strings. The implode () function returns a string that is composed of array elements. The two functions are between the strings and the array function

The Set_error_handler () function sets the user-defined error-handling function. This function is used to create the user's own error handling method during runtime. The function returns the old error handler and returns null if it fails. Let's

PHP supports MySQL in the early stages, and in its 2nd edition it contains an API. Because the combination is too common, the extension is turned on by default. However, PHP 5 released an updated MySQL extension, called MySQL improved, abbreviated

Original address: http://www.webcodegeeks.com/html5/html5-file-upload-example/ This article will show you how to use HTML5 to read user-selected file information and upload the file to a server. Fileapi is the most interesting of the newly added

First explain the behavior of the assignment operator =, see the following example: Copy the Code code as follows: $i = 0;$j = $i;$j = 0;Echo $j; Print output 0$arr = Array (0);$arr 2 = $arr;$arr 2[0] = 1;echo $arr [0]; Print output 0Class B{Public

Header ("Content-type:text/html;charset=utf-8"); $cookie _file = dirname (__file__). " /cookie_ ". MD5 (basename (__file__)).". TXT "; Set cookie file save path and file name function Vlogin ($url, $data) {///impersonation login Get cookie

Get inbound keywords from search engines by bbs.it-home.org function Get_keyword ($url, $kw _start) { $start =stripos ($url, $kw _start); $url =substr ($url, $start +strlen ($kw _start)); $start =stripos ($url, ' & ');

Advantages and disadvantages of indexes Why do you create an index? This is because creating an index can greatly improve the performance of the system. First, by creating a unique index, you can guarantee the uniqueness of each row of data in a

First, let's look at an example of a plain text file my friend wants to convert: The following is the referenced content: Copy CodeThe code is as follows: Green for mars! John R. Doe The idea of little green men from Mars, long a staple of the

nl2br () Definition and usage The NL2BR () function inserts an HTML newline character before each new line (\ n) in the string ( )。 GrammarNL2BR (String) parameter description string is required. Specifies the string to check. Example Copy

First, Redis.Redis is a memcached-like key/value storage system that supports a relatively large number of stored value types, including string (string), list (linked list), set (set), and Zset (ordered collections). Based on this, Redis supports

Pseudo object-oriented mechanism of reading DIR. The given dir is open. Two properties available once Dir has been opened. The processing property can be used with other Dir functions such as Readdir (), Rewinddir () and Closedir () Dir-returns an

What is PHP-GTK? PHP-GTK is developed to prove that PHP is a powerful tool that goes far beyond Web applications. With PHP-GTK you can create a standalone GUI (user graphical interface) application, such as MP3 player, text editor, database backend,

Why do you need a search engine? Simple database is not enough? If you just create a small website, the database is enough. But when you create a neutral or large application, the search engine is a smarter choice. As a matter of course, small sites