The usage and difference of session_unset and Session_destroy in PHP

Session_unset () Releases all $_session variables that are currently created in memory, but does not delete the session file and does not release the corresponding session ID The code is as follows Copy Code

PHP Curl Common errors: SSL error, BOOL (false) _php tips

Symptom (s): Php Curl Call HTTPS error Troubleshooting methods: Try using the curl call at the command line. Reason: The server room cannot authenticate the SSL certificate. Workaround: Skip SSL certificate checking. curl_setopt ($ch,

About JSON and JSON application techniques in PHP _php tips

JSON Basics Simply put, JSON converts a set of data represented in a JavaScript object to a string, which can then be easily passed between functions, or pass a string from a WEB client to a server-side program in an asynchronous application. This

PHP rounding function (floor, ceil, round and intval) ____ functions

You often need to round up the floating-point numbers in PHP. There are two functions in PHP that can be used in this case: the floor function, the Ceil function, and the round function floor function and the Ceil function match each other to make

Introduction to PHP

Joe Brockmeier briefly introduces the PHP scripting language, discusses the origin, performance, and application Platform of PHP. A simple example of a PHP script illustrates its basic syntax and usage. If you are working on web-based development,

Using PHP to connect to an LDAP server

This article demonstrates how to use PHP to connect to an LDAP server. A specific example is to connect to a common LDAP server and search. This example simulates the Netscape Communicator 4.*, which connects to the LDAP resource through its own

A full array of PHP operation methods

basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key

PHP source code network-open source program Daquan (Open Source)

PHP source code network-open source program Daquan (Open Source) PHP tutorial, PHP open source community, PHP Open Source Forum, PHP open source abroad, PHP Chinese site, PHP + MySQL, build the latest and most complete PHP open-source code library

Comparison of php string compression methods

There are many string compression methods provided by php. The following describes the php string compression methods. For more information, see There are many string compression methods provided by php. The following describes the php string

Install PHP running environment text tutorial on Windows

1. Download related softwareSoftwareHttpd-2.2.15-win32-x86-no_ssl.msi http://httpd.apache.org/download.cgiMysql-5.1.46-win32.msi http://dev.mysql.com/downloads/Php-5.2.13-Win32.zip http://www.php.net/downloads.phpPhpMyAdmin-3.3.3-all-languages.zip

How to configure the php + Apache + mysql environment in win7 system _ php instance

How to configure the php environment in win7? php + Apache + mysql is an essential element in the configuration process, the following article describes how to configure the php + Apache + mysql environment in win7. it is very popular to be

PHP extension development tutorial, php extension tutorial _ PHP Tutorial

PHP extension development tutorial, php extension tutorial. PHP extension development Getting Started Tutorial, php extension Getting Started Tutorial PHP extension development I am going to summarize my learning and insights on PHP extension

Use HTML forms in combination with PHP to access Single and Multiple form values

The ability to easily operate information submitted by users through HTML forms has always been one of the advantages of PHP. In fact, PHP version 4.1 adds several new methods to access this information and effectively removes the most commonly used

How to configure PHP Security described in the wooden wing download system _ PHP Tutorial

The PHP Security Configuration method described in the wooden wing download system. I. Web server security PHP is actually a module function of the Web server. Therefore, we must first ensure the security of the Web server. Of course, to ensure the

Several methods to crack the root password of a MySQL database _ MySQL

Several methods to crack the root password of a MySQL database: Method 1 Use phpmyadmin, which is the simplest. modify the user table of the mysql database, but do not forget to use the PASSWORD function. Method 2 Use mysqladmin, which is a special

PHP object-oriented programming: Class and object_php tutorial

PHP object-oriented programming: Class and object. PHP object-oriented programming: Class and object PHP object-oriented programming: classes and objects should not be differentiated from the OOP perspective. For C ++, Java,. net, and more PHP

Configure php. ini to implement php file Upload

We will introduce you to php. how to configure the php file upload function in the INI file involves some important options and restrictions on the size of php files to be uploaded, for more information about PHP website development, see yesterday.

PHP form submit data get, post instance details _ PHP Tutorial

PHP form submit data get, post instance details. This article will introduce you to the get and post instances of PHP form submission data. For more information, see reference. 1. what is a form? Simply put, this article will introduce you to a

Encrypt data to ordinary people and use PHP programs to protect data

To protect data with PHP programs and to protect data with PHP programs, you must be careful to protect your data in an increasingly virtualized internet world. This article describes how to encode and encrypt important information (such as

Differences between stripslashes and addslashes in php

AddslashesThe addslashes () function adds a backslash before the specified predefined character.The predefined characters are:• Single quotes (')• Double quotation marks (")• Backslash ()• NULLIn this example, we want to add a backslash to the

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