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- execute_a_shell_command_and_capture_the_output_into_an_array
- err'=>$stderr, 'return'=>$rtn ); } </code> $cmd should be the command (e.g. trace route -l 1.2.3.4) and
- PHP Dynamic Captcha Images
- code><img src="<?php echo $cimg; ?>"></code> You should save the 4 digit number in a session variable, e.