escapeshellcmd()

escapeshellcmd - Escape shell metacharacters

Syntax

string escapeshellcmd (string $command)

Arguments

• command - The command that will be escaped.

Description

escapeshellcmd() escapes any characters in a string that might be used to trick a shell command into executing arbitrary commands. This function should be used to make sure that any data coming from user input is escaped before this data is passed to the exec() or system() functions, or to the backtick operator.

Version

PHP 4, 5

Return value

The escaped string.