The declaration of an array
1, direct assignment way to declare an array
$ array variable name [index value] = data content//The index value (subscript) can be a string or a number
But sometimes, we can also assign values directly to the array,
For millions of data CSV files, the file size may reach hundreds of M, and if a simple read is likely to be timed out or stuck to death.
Batch processing is necessary to successfully import data from a CSV file into a database.
The following
In this chapter you will learn about attractive and confusing sockets (Sockets). Sockets is a feature that is not fully exploited in PHP. Today you will see the creation of a server that can use a client-side connection and connect using a socket on
If you need to use PHP to connect to a Microsoft SQL Server 2005 database on a Linux system, our common way to connect to a database is to use ODBC to connect.
FreeTDS provides an open source client for the TDS protocol for Linux systems.
Sky Blue Friends Community to provide you with 100m-500m free php space services, you can support PHP/MYSQL/ZEND/CP and so on. Support FTP management, and can bind international domain names, forum post application opened.Some are their applications:
Choose the most appropriate template in the PHP world
/google 的广告条-->
The cause of the matter: Have you ever used fasttemplate?As for the template application in PHP
Address http://www.phpnet.us
is foreign, but everyone who understands English should be able to read,
Do not understand that I will be a simple translation, because the use of free space is a lot of middle school students,
They do not necessarily
Step one: Download the PHP 5.2 for Windows installation package and extract it to C:\php. Note that this decompression directory can be under any disk, but the directory name cannot contain spaces;
The following is the php5.2 file directory:
c:\php
One, CGI mode installation security
Second, the Apache module to install security
When PHP is installed as an Apache module, it inherits the privileges of the Apache user (usually "nobody"). This has some impact on security and authentication. For
One: Catalog operations
The first is a function read from the directory, Opendir (), Readdir (), Closedir (), which is used to open the file handle first and then iterate over the following list:
Copy Code code as follows:
$base
1. Intercept the entire screen screenshot
Copy Code code as follows:
$im = Imagegrabscreen ();
Imagepng ($im, "myscreenshot.png");
?>
2. Intercepting a window Capture a Windows (IE for example)
Copy Code code as
PHP provides a embed SAPI, that is, PHP allows you to invoke the functions provided by php/ze in C + + language. This article implements a PHP Opcodes viewer based on embed SAPI.
First of all, download the PHP source code for compiling, I now use
The following illustrated by the way to show you the PHP kernel exploration: Hash table collision attack principle.
The recent hash Table collision Attack (Hashtable collisions as DOS attack) has been the subject of constant mention, and various
Configuring PHP.ini Files
Copy Code code as follows:
File_uploads = on;/whether to allow the switch to upload files over HTTP. The default is on, which is open
Upload_tmp_dir//files are uploaded to the server where temporary files
As the most basic precaution you need to pay attention to your external submissions, do the first security mechanism to handle the firewall.
Rule 1: Never trust external data or inputThe first thing you must realize about Web application security
When I recently solved the swoole server problem with my colleagues, I found that 1 worker processes were in the state of R and the CPU was very time-consuming. The initial conclusion is that there is a dead loop in the PHP code.
Here is a piece of
In PHP, the definition of a string can be in English single quotes ', or you can use double quotes in English.
But you must use the same single or double quotes to define strings, such as ' Hello World ' and ' Hello World ' for illegal string
In the use of PHP dynamic output beautiful images, but also inseparable from the setting of colors, like painting when you need to use the same color palette. To set the color of the image, you need to call the Imagecolorallocate () function to
This article illustrates the method of implementing currency conversion in PHP. Share to everyone for your reference.
The specific implementation code is as follows:
Copy Code code as follows:
/*
* File:CurrencyConverter.php
*
Sun Java System Web Server can run on all major operating systems and support a variety of dynamic content technologies, such as the Java Servlet, JavaServer Pages, JavaServer Faces, Active Server Page S, PHP, ColdFusion, Netscape APIs, CGI, and
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