PHP Tutorials

substr (PHP is very good language,4,5); The output is the is ve; Copy Code1, when the length of the START>STR, then returns to (); substr (PHP is very good language,26,5); substr (PHP is very good

/** * PHP Reflection Instance * Edit bbs.it-home.org */ Class person{ Public $name; function __construct ($name) { $this->name= $name; } } Interface module{ function execute (); }

This article introduces, in PHP with Curl upload a file a small example, have the need for friends, refer to it.Uploading files in PHP can be either by regular form submission or by using curl.Here is an example of how to upload a file in PHP Curl:

This article describes a PHP implementation of the time format check of a function to check whether a given time is well-formed. Please refer to the friends who are in need.The following code can be used to verify whether the time that the user

This article introduces, PHP in the ob_get_contents (), Ob_end_clean (), Ob_start () function of the specific use, the need for friends to refer to it.PHP Cache related functions: Ob_get_contents (); Ob_end_clean (); Ob_start ()Use Ob_start () to

PHP code Chr (0) is not NULL Null is nothing, and Chr (0) has a value of 0. 16 binary is 0x00, which means binary is 00000000 Although Chr (0) will not show anything, but he is a character. When the Chinese character is truncated, according to the

This article describes the following, in Windows or Linux, the configuration of PHP timed execution method, the need for friends, refer to the next bar.1. Under Windows Note: If you do not want to run indefinitely, you will need to change.

This article introduces, in the PHP programming, takes the array to specify the length data the method, has the need friend reference.In the PHP program, reduce the number of queries, but also a way to improve the overall performance of the site.All

This article introduces, using PHP to generate all the two-digit combination of 0-9,a-z examples, the need for friends to refer to it.This section introduces a piece of PHP code that implements the output of any two-digit number and letter.Thinking

This article introduces, using PHP to list all the files in the directory of an example code, for everyone to learn the reference.List all the files in the directory, with the following code: "; while (false!== ($file =readdir ($dir))) {if

This article introduces, PHP array of some knowledge, as a reference to learn PHP array, hope to beginners PHP friends have some help.One, the definition of the PHP arrayThe PHP array represents a set of associated data.In PHP, an array is defined

This article introduces a method for finding associative array differences in PHP arrays, mainly the use of PHP array function Array_diff_assoc. Refer to a friend who needs it. In PHP, find the difference set of associative arrays. The Function

CREATE TABLE ' type ' ( ' id ' int (one) not NULL auto_increment, ' FID ' int (one) not NULL DEFAULT ' 0 ', ' Name ' varchar (not NULL), PRIMARY KEY (' id ') ) Copy CodeSecond, add several top-level

This article introduces, PHP in the use of cookies to remember the password function of an example code, the need for a friend reference.Login page with the jquery.cookie.js to obtain, the password is MD5 encryption.Encryption also sets a security

This article describes the use of the error handling function error_reporting () in PHP, which requires a friend's reference.In PHP, error_reporting () sets the error level for PHP and returns the current level.Syntax: error_reporting

[Root@jbxue ~]# wget http://mirrors.sohu.com/fedora-epel/6/i386/epel-release-6-7.noarch.rpm [Root@jbxue ~]# RPM-IVH epel-release-6-7.noarch.rpm Copy Code2, install Php-mcrypt [Root@jbxue ~]# Yum Install Php-mcrypt

This article describes a PHP program in the operation of the SQLite data class, here to share the code, the need for a friend reference.Provides a PHP operation for the SQLite class: Database file name any//CREATE DATABASE "title=" database ">

This article introduces the following, in PHP, using http_user_agent to judge the function of the phone type, there is a need for friends, reference.The method of judging the phone type is mentioned in the previous article of the programmer's house.

This article introduces, PHP generation with logo QR code image of an example code, learning two-dimensional code of friends, can make a reference.In PHP, the generation of two-dimensional code images can be implemented with the help of the QRCode

Share a MySQL database backup class, and attach a detailed call method, with a friend in need of reference.A PHP MySQL database backup class, shared to everyone.1,mysql database backup class backdata.class.php: Mysql_link = $mysql _link;