(PHP 4 >= 4.0.3)
escapeshellarg -- escape a string to be used as a shell argument
Description
string escapeshellarg (string arg)
escapeshellarg() adds single quotes around a string and quotes/escapes any existing
single quotes allowing you to pass a string directly to a shell function and having it be treated
as a single safe argument. This function should be used to escape individual arguments to shell
functions coming from user input. The shell functions include
exec(), system() and the backtick operator. A standard use would be:
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