PHP Tutorials

This article mainly introduces the Mysqli_affected_rows function row number return value in PHP, the example analyzes the common mode and the use of OOP mode, has a certain reference value, the need for friends can refer to the following This paper

This paper explains the definition and usages of PHP curl_multi_exec function, which means that the function of Curl_multi_exec is Run the child connection of the current CURL handle, and see its description and usage instance below.

In Web project development, it is often necessary to determine the size of two or more strings, but we can not determine the size of the two strings by two characters, so how to determine the size of two or more strings, this article, take you to

When you write a PHP program, you can define your own functions, of course, if the PHP system has directly available functions are the best, no time will be defined by themselves. There are many standard functions available in the PHP system, but

In this article we introduce the definition, syntax and usage of mysqli_commit and mysqli_autocommit functions to compare the differences between them, first we introduce the following Mysqli_commit function: Definition and usage The mysqli_commit

What is the function of PHP dirname ()? The PHP dirname () function is the part of the directory that returns the file path. It gives a string containing a full path to a file, returning the name of the directory after removing the file name. The

what does the PathInfo () function do? The function of the Php,pathinfo () function is to return the information in the form of an array of file paths. His syntax is as follows: Grammar PathInfo (path,options) Detailed parameters:

Scope of PHP variables The scope of the variable is also the scope of its entry. Most PHP variables have only a single scope of use, and also include the files introduced by include and require. When a variable performs an assignment, it has a

There are 2 functions in PHP that parse URLs, namely the PARSE_STR () function and the Parse_url () function, where the PARSE_STR function parses the query string into a variable, and the Parse_url function parses the entire URL and returns its

Array_key_exists () defines and uses the array_key_exists () function to determine whether a specified key exists in an array, returns TRUE if the key exists, or false otherwise. The syntax array_key_exists (key,array) parameter describes key

In real-world development, if you want to create a socket-based application, you need to learn more about how to operate the socket, if you like to understand and skillfully use these methods, you need to first understand the various socket

In later versions of PHP5, you can define a __autoload ()function, the function is started when an undefined class is called, and the final remedy is done before the error is thrown, but the intent of the function has been completely misinterpreted

Such problems are often encountered in the work. I get a two-dimensional array, but the array contains only the ID and name. For example, this array is: $array = array (' ID ' =>a, ' name ' = ' Hy369 '), array (' ID ' =>b, ' name ' = ' PHP blog '),

The Intercept, divide, and replace parts of the PHP array in this article will describe the interception of arrays (Array_slice), Array_chunk and substitution (Array_splice), and the difference between Array_slice and Array_splice! In the previous

function of string function Strrpos ()? The Strrpos () function finds the position of the last occurrence of a string in another string. This function is case-sensitive and, contrary to the Strripos () function, the Strripos () function is not

We knew before. The PHP curl_exec function is one of the PHP Curl function lists, and its function is to perform a curl session. After performing a curl session, we're going to get the information about the curl we're performing, and we'll output

What is the function of PHP string function Stripos ()? The String function Stripos () is the first occurrence of a string in another string, and the function is case-insensitive. It is very convenient to use, and its related functions have

This article mainly introduces the method of PHP to modify the specified file suffix, the function foreachdir can realize the file directory detection, reading, opening and file suffix replacement functions, is very practical skills, the need for

In the file such as: program root directory in: E:\wamp\www 1. __file__ the absolute path to the current file Returns E:\wamp\www\index.php if called in index.php Now look at the directory structure of the program root directory If you call

This article introduces the use of PHP rounding function, PHP data processing, rounding is divided into four parts, the php rounding function is used as follows. 1. Discard the fractional part, preserving the whole number of parts Intval (7/2