PHP

Several important php. ini option RegisterGlobalsphp = 4.2.0, php. the default value of the register_globals option of ini is Off. when register_globals is set to On, the program can receive various environment variables from the server, including

Array (key = value); create an array // display the array print_r ($ array); // use the compact () function to create an array and use the parameter as the unit of the new array; $ newArray = compact (red, green, yellow, blue, array); // use the

The unique PHP syntax is a mix of C, Java, Perl, and PHP self-innovative syntaxes. PHP can execute dynamic web pages faster than CGI or Perl. Compared with other programming languages, PHP embeds programs into HTML documents for execution. the

[Code] [PHP] code/* Google translate PHP interface 02 * official documents 2009-03-2803 * documents _ /* Google translate PHP interface * Official documents * Http://blog.csdn.net/aprin/ * Note: If the translation text is UTF-8 encoded, delete the

// Obtain the computer's CPU information functionOnlyU () {$ a = ''; $ B = array (); if (function_exists ('exec ') {if (mailto :! @ Exec (/all, $ B) {returnfalse ;}} elseif (function_exists ('system' // Obtain the CPU information of the

Php.net recently updated the php document. it is useful to use the new pman tool. Pman is a command line tool that allows you to conveniently view the local help documentation for php functions, but does not contain comment data from php.net. Simple

I. basis of logical algebra: 1. numbers are represented in binary. all possible numbers are 0 and 1. 2. there are only three basic operations: AND, OR, and not. The operation is defined as: (expressed and calculated) 00 = 001 = 010 = 011 = 1 can be

New features of PHP5.3> A new important feature of PHP 5.3 is namespace ).This feature was mentioned in PHP5.0x and was later canceled and scheduled to be implemented in PHP6. The release of PHP5.3 was "in advance" again, which shows the importance

Common php page vulnerability analysis and troubleshooting, read common php page vulnerability analysis and troubleshooting, from the current network security perspective, the most common WEB page vulnerability is ASP. in this regard, John is an

[GD] generates an image in bmp format (imagebmp). read [GD] generates an image in bmp format (imagebmp). the GD library does not generate a function for bmp images, so I wrote one myself, there is still a compression algorithm for this function, but

Pay attention to multiple security vulnerabilities in PHP5.2.5 and earlier versions. Read the multiple security vulnerabilities in PHP5.2.5 and earlier versions. Release Date: updated:-11-13 affected systems: PHPPHP5.2.5 not affected systems: PHPPHP5

One of the full prevention of SQL injection attacks in PHP, read one of the full prevention of SQL injection attacks in PHP. in this series of articles, we will fully explore how to comprehensively prevent SQL injection attacks in the PHP

Use static to display the color of a table, read and use static to display the color of a table, and use static to display the color of a table. We use PHP to query data from the database, output the result to the browser. if there are many rows in

The author of this article has been working on PHP for 11 years, but has recently started to invest in the Python camp. The following describes the features of PHP and Python. it may be helpful to select a proper language for the project. Look at

When I recently learned about URL redirection, three new PHP encryption and decryption functions are available, it seems that the reason for using these encryption and decryption in discuz is that sometimes your URL address is obtained and you need

Rule 1: never trust external data or enter information about Web application security. The first thing that must be realized is that you should not trust external data. External data includes any data that is not directly input by programmers in PHP

For those who lack programming knowledge, it is entirely possible to write a webpage or applet. If you are lucky to use Google to search for examples, you can find the ready-made code. Even experienced programmers usually search for solutions online

Tab is very common in current Web applications. The biggest benefit is that it can fully utilize limited space to display more content. Common tabs are generally implemented through Javascript, and their benefits are flexibility and powerful

There is a famous saying in iegg: existence is reasonable. The existence of static classes is justified. However, it is absolutely necessary. Once the code is too dependent on the static class, its deterioration is inevitable. This is like poppy, as

0. replace double quotation marks with single quotes to include strings. this will be faster. Because PHP will search for variables in strings enclosed by double quotes, but not in single quotes. Note: Only echo can do this. it is a function that