PHP 忒聊
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escapeshellarg
(PHP 4 = 4.0.3)
Description
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:
system("ls ".escapeshellarg($dir));
See also exec(), popen(), system(), and the backtick operator.
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Program Execution functions
奻珨撰
escapeshellcmd