PHP 忒聊 綴豖 ヶ輛 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. 綴豖 れ萸 ヶ輛 Program Execution functions 奻珨撰 escapeshellcmd