To call external commands in PHP, you can use, 1 & gt; to call specialized functions, 2 & gt; reverse quotation marks, 3 & gt; popen () to open the process, three methods to implement directories: 1. Introduction to calling external commands in
This article mainly introduces PHP implementation of the external command on the Linux method, interested in a friend's reference, I hope to be helpful to everyone.
Directory:
First, the introduction of calling external commands in PHPIi. on
To call external commands in PHP, you can use, 1 & gt; to call specialized functions, 2 & gt; reverse quotation marks, 3 & gt; popen () to open the process, three methods 1. calling external commands in PHP describes how to call external commands in
[Global variables]
Variables in PHP do not need to be declared beforehand, they are created automatically the first time they are used, and their types do not need to be specified, and they are determined automatically based on the context. From the
How to attack Common Vulnerabilities in PHP programs Source: Chinaasp
The reason for translating this article is that the current articles on CGI Security take Perl as an example, while there are few articles specifically about ASP, PHP or JSP
How to attack Common Vulnerabilities in PHP programs. Source: Chinaasp translated this article because currently most CGI Security articles use Perl as an example, while few articles specifically introduce ASP, PHP, or JSP security. S Source:
Source: chinaaspThe reason for translating this articleArticleCurrently, most cgi security articles use Perl as an example, but few articles specifically introduce ASP, PHP, or JSP security. The Shaun clowes article comprehensively introduces PHP
Summary: PHP program is not impregnable, with the extensive use of PHP, some hackers are also in the absence of the trouble to find PHP, through the PHP program vulnerability to attack is one of them. In the section, we will analyze the security of
Source: chinaaspThis article is translated because the current articles on CGI security are all examples of Perl, and there are few articles specifically about asp,php or JSP security. Shaun Clowes This article more comprehensive introduction of PHP
This article is translated because the current articles on CGI security are all examples of Perl, and there are few articles specifically about asp,php or JSP security. Shaun Clowes This article more comprehensive introduction of PHP security issues,
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